reverseeasy

Perl

spbctf

Task: Deobfuscate a Perl script with base64-encoded eval. Solution: Decode the base64 string to reveal the flag check condition.

$ ls tags/ techniques/

base64 obfuscation eval source_code perl

base64_decodeeval_deobfuscation

Analysis

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

$ python3 exploit.py --target 192.168.1.1 --port 8080
[*] Connecting to target...
[+] Shell obtained!

Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

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