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Cowpatty

Invalid handshake

C Cracking Medium

🔴 Error Message

Handshake file format not recognized

📖 What This Means

Capture file not in correct format.

🔧 Step-by-Step Fix

  1. Convert: aircrack-ng capture.cap -J output
  2. Use: cowpatty -f wordlist -r capture.cap -s SSID
  3. Verify handshake: aircrack-ng capture.cap