12 posts tagged with "writeup"

cgpwn2 | level3 | CGfsb​

Miscellaneous​

Due to a lot of things happening in the past half month (switching major to APEX, midterm exams), and encountering problems with the new environment, there hasn't been much content related to CTF. However, there hasn't been much progress in other areas either.

Another competition is coming up soon, so I thought of quickly revisiting a few simple stack-related challenges, cramming for it in a hurry.

Initially, I intended to write a detailed write-up for each question, but it seems more basic, so I combined them all together.

Problem​

Preliminary Determination of Ideas​

Using checksec to check the file, it is found that NX and PIE are not enabled, so consider ret2text and ret2shellcode preliminarily.