webPromedium

Flagbox 2

hackerlab

Task: PHP web challenge with str_rot13 obfuscated code and IP-based secret generation. Solution: Deobfuscate str_rot13 strings, reverse engineer xFunc900() algorithm that calculates secret word from IP digit sums, submit calculated secret to get flag.

$ ls tags/ techniques/
phpsource_code_analysiscookie_manipulationobfuscationstr_rot13algorithm_reverseip_based_authdigit_sumsequel_challenge
PHP str_rot13 deobfuscationAlgorithm reverse engineeringCookie-based IP manipulationDigit sum calculation
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