So, I did not solve this challenge during the CTF but solved it moments later the CTF was over. I thought this to be a crypto related challenge & did not look further into it. I shit myself right now because I could've easily got the first blood in this challenge. Let us see why... Continue Reading →
BsidesSF’17 CTF DNScap Write-Up
This was one of the exciting challenges that I solved lately. I'd even recommend this challenge to everyone who is interested in learning Network Forensics and more about the scapy module of python. So enough talk, let us get on with the challenge. Challenge Description: "Found this packet capture. Pretty sure there's a flag in here.... Continue Reading →
Alex CTF 2017 Fore3 Write-Up
So this is actually my first USB PCAP analysis challenge. This is one of the most basic challenges and there's a lot to learn from it if you are new to this. USB pcap analysis is a major trend in the current CTFs. So let us get on with the challenge. Challenge Description: One of... Continue Reading →
Swamp CTF 2018 Orcish Challenge WriteUp
Hey Guys!! So I found this challenge a bit tiring. We get a lot of data sent through different protocols (ARP, MDNS, TCP, ICMP etc.) Going through all of them, I found the ICMP packets a bit strange. There were some malformed packets in the capture. Seeing the hex dump of the first 3 packets... Continue Reading →
Learn about the All-Powerful Scapy module
So, guys, I have been studying about network traffic analysis for quite some time now. During CTFs, I always had to extract out some sort of data from multiple packets and that too only specific packets. Well, a lay man's idea would be to write down the content you specifically need. But man, we are... Continue Reading →