S.H.E.L.L CTF 2021: login

login

Category: Web Security

chal

200 points

Sam really need to get past this login portal but isn’t able too, can you help him? http://3.142.122.1:8889/

Solution

web

I’ve checked the source.

source

It seems that some logic of checkIt() function is in main.js, let’s see…

mainjs

Ok, so login is din_djarin11 and the password md5 hash is 9ef71a8cd681a813cfd377817e9a08e5. The result of cracking the hash is ir0nm4n. And after login attempt I’ve been given ir0nm4n file with below content.

SHELL{th1s_i5_th3_wa7_845ad42f4480104b698c1e168d29b739}

Flag

SHELL{th1s_i5_th3_wa7_845ad42f4480104b698c1e168d29b739}

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