forensicshard

Colonel

tamuctf

Task: 8GB Linux memory dump with AES-CBC encrypted flag file, known IV but unknown key. Solution: Extract kernel module key validation error logs showing two failed key attempts with different incorrect character indices, reconstruct correct 32-byte AES-256 key by combining correct characters from both attempts.

$ ls tags/ techniques/
memory_forensicskernel_log_analysiskey_reconstructionaes_decryption

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