First go to : http://web.chal.csaw.io:8080

As we can see this challenge seems to be a LDAP injection.

After some researchs I found this : Link

So I tried with this following command ::

*)(uid=*))(|(uid=*

If you go at the bottom of the page you can see the flag :

Flag: flag{ld4p_inj3ction_i5_a_th1ng}


TheFlagIsNotHere

CTF team