mischard

МОЯ ЖИЗНЬ (MY LIFE)

hackerlab

Task: Minecraft world encrypted by ransomware mod. Solution: Reverse Java bytecode to find AES-ECB key derivation, decrypt world, parse NBT books for AES-CBC key/IV, decrypt flag.

$ ls tags/ techniques/
reverse_engineeringjavaaesminecraftransomwarenbtcrypto
aes_ecb_decryptionaes_cbc_decryptionjava_bytecode_reversingminecraft_nbt_parsingransomware_analysis
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