Vpn-jantit-pptp -

: The 24-byte hashed response sent by the client.

To crack the password, you need to extract the following fields from the "Response" packet: vpn-jantit-pptp

The format for Hashcat (Mode 5500) is: $NETCHAPV2$username$challenge$response . Alternatively, use asleap specifically designed for PPTP: asleap -r capture.pcap -w wordlist.txt Use code with caution. Copied to clipboard Key Vulnerabilities : The 24-byte hashed response sent by the client

: The 16-byte random value from the server. vpn-jantit-pptp

: The entire authentication exchange (challenges and responses) is sent in the clear, allowing an eavesdropper to capture the data needed for offline cracking.

Open the file in Wireshark. Filter the traffic using pptp or gre (Generic Routing Encapsulation). You will see the control channel setup (TCP port 1723) followed by GRE packets carrying the encapsulated PPP data.