forensicsmedium

Secure Random (Безопасный рандом)

hackerlab

Task: Decrypt data encrypted with XOR using PRNG seeded with time.time(). Solution: Bruteforce timestamps around file creation time to recover the seed and decrypt.

$ ls tags/ techniques/
xorprngtimestampseed_prediction
xor_decryptionprng_seed_recoverytimestamp_bruteforce
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