Tuesday, October 2, 2012

CSAW CTF Quals: Forensics 200 - 2

After we completed Forensics200 - version 1, what needed to happen for version 2 was obvious. All the CRC’s must be wrong except one (the opposite of version 1). We had already found a tool that alerted on incorrect checksums, so we found a tool that only reported correct CRC's (PngMeta available here). The reported name was the correct key.

-- syreal

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