Reverse engineering

Writeup

InCTF 2017 mobile Rev challenge writeup

Noräs Salman Noräs Salman |

Tags: #Android #CTF #Java #Reverse engineering

I did not have so much time this weekend to spend on CTF. However I managed to solve few challenges from different CTF that were running at the same time. One of them being InCTF. I was surprised to see the mobile challenge category and went immediately to check the first challenge. Rev 150 There … Continue reading “InCTF 2017 mobile Rev challenge writeup”



Tags: #CTF #Reverse engineering #Side channel attack #Steganography

From time-based side-channel, automated reverse-engineering and classic steganography… Here is a list of challenges I thought were interesting and how I solved them. Let’s begin by summing up the mentioned problems: scratches : is about automating a solution for a simple crack-me reverse challenge. Taylor’s Magical Flag Oracle: is about a time based side channel attack. … Continue reading “UIUCTF 2017 writeups”



Tags: #Cryptography #CTF #Forensics #Reverse engineering #Steganography

For the past year I’ve been competing in almost every CTF announced on CTFtime.org, with my team that we have created at our university called ChalmersCTF. For those who doesn’t know what CTF stands for I suggest reading this description. Here are a list of challenges that I though were interesting for me that has … Continue reading “TAMUctf 2017 Writeups”



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