Balsn Ctf 2020 TPC

TPC (web, 310p, 33 solves) Description The challenge implements a simple python application taking an URL as parameter. It allows us to perform SSRF and local file disclosure. Reading a file on the server is as simple as: $ curl -s --output - 'http://35.194.175.80:8000/query?site=file:///etc/passwd' root:x:0:0:root:/root:/bin/ash bin:x:1:1:bin:/bin:/sbin/nologin [...] We first needed to be sure what the python code does. To find this out, we tried to find where it was located:
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