misceasy
SignCraft
hackerlab
Task: Minecraft world archive with signs containing flag. Solution: Parse .mca region files, extract NBT data with zlib decompression, find sign text using regex, filter out fake flags to assemble the real flag split across multiple signs.
$ ls tags/ techniques/
minecraftregion_filesmca_formatnbt_parsingzlib_decompressionsign_extractiongame_forensicsworld_analysis
Minecraft region file (.mca) parsingNBT data extraction with zlib decompressionSign text extraction via regexFake flag filtering
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