CTF

HITCON CTF 2021 Writeup
HITCON CTF 2021 Writeup

hitconctf-2022-writeup 戰績 checker Disassemble checker.exe and checker_drv.sys using IDA Pro. We can know that the checker sends the 0x222080u code to the checker_drv driver to check if there is a “hitcon” at address 0x140003000. checker.exe: checker_drv.sys: Also, there are other codes …

AIS3 Pre Exam 2022 Writeup
AIS3 Pre Exam 2022 …

Score Board Welcome Welcome 題目 Flag AIS3{WTF did I just see the FLAG before CTF starts?} Misc Excel 題目 解題 Flag AIS3{XLM_iS_to0_o1d_but_co0o0o00olll!!} Gift in the dream 題目 解題 binwalk gift_in_the_dream.gif 一下發現啥都沒有。 strings gift_in_the_dream.gif 一下看到一堆重複出現的奇怪字串,應該是提示。 通靈一下發現應該要用 identify 把每個幀數間的間距時間抓 …

AIS3 EOF 2021 Writeup
AIS3 EOF 2021 Writeup

leetcall 題目 限制 payload # Problem 1: Hello print(getattr("Hello, {:}!", 'format')(getattr('!\nHello, ', 'join')(getattr(getattr(open(0),'read')(),'splitlines')()))) # Problem 2: Fibonacci …