[Reversing] DrillingPlatform (300 pts, 575 solved)

Description

Welcome to the latest and greatest in Vitralium mining technology. Our newest rig can penetrate depths never before reached! Unfortunately, we haven’t yet been able to locate any. Can you get into the workings of the machine and find out where we need to drill?

Files

• rev_drillingplatform.zip

Solution

zipファイルを解凍すると”platform”が現れる。

┌──(kali㉿kali)-[/ctf/…/HTB Business CTF 2023/reverse/DrillingPlatform/rev_drillingplatform]
└─$ file platform
platform: ELF 64-bit LSB pie executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, BuildID[sha1]=8cf74effd156c4e05a51cd6a4420b69830fdd8dd, for GNU/Linux 3.2.0, not stripped

stringsでフラグを得た。

┌──(kali㉿kali)-[/ctf/…/HTB Business CTF 2023/reverse/DrillingPlatform/rev_drillingplatform]
└─$ strings platform | grep HTB
HTB{lucky_gu3ss_0r_s0m3th1ng_m0r3??}

Flag: HTB{lucky_gu3ss_0r_s0m3th1ng_m0r3??}