myBrokenBash
For this challenge, the author give us something about stdout and when I try to send something the server will reply the string that I send, it's make me remember to a challenge in Ringzer0 CTF about bash shell jail escaping. It use file description to bypass stdout. Redirect from stdout...
Saturday, March 23, 2019
Monday, March 11, 2019
[Writeup] Pragyan CTF - Forensics
Welcome
We have a jpg file, I used HXD and see a zip file in it, then I used binwalk to get the zip file.
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$ binwalk welcome.jpeg
DECIMAL HEXADECIMAL DESCRIPTION
--------------------------------------------------------------------------------
0 0x0 ...
Tuesday, March 5, 2019
[Writeup] BSidesSF 2019 CTF
Trivia 1:
Search nguyên dòng chữ "My voice is my ________. Verify me." lên google mình thấy ngay ở kết quả tìm thấy đầu tiên: My voice is my passport
Flag: passport.
Forensics
table-tennis
Sử dụng wireshark, mình thấy có khá nhiều certificate, tuy nhiên nhưng chứng chỉ này không làm được gì cả....