W01f

I participated in wolvCTF-2025, organized by w01verines as a core member of the team InfoSecIITR. Our team secured 11th place globally in the Open Bracket. Here are the Writeups of all the Forensics challenges I was personally able to solve during the competition. ForensicsActive series (1, 2 and 3)Challenge DescriptionChal 1 -> Oh no! Our beloved wolvctf.corp domain has been infiltrated! How did they manage to break into our domain controller? Please figure out how they got access into...

I participated in BITSCTF 2025, organized by Bitskrieg. Here are the Writeups of some Forensics, RF and DFIR challenges I was personally able to solve during the competition. ForensicsFinders KeepersChallenge DescriptionAnother simple steganography challenge where we are initially given a .png file. SolutionThe given png has a .jpeg and a .wav file embedded in itself which we can find by the hex analysis and then extract the file using byte scraping to get the following two...

I participated in Nullcon 2025, as a core member of the team InfoSecIITR. Our team secured 9th place globally. Here are the Writeups of some challenges I was personally able to solve during the competition. MiscAncient PaperChallenge DescriptionWe are given an image file along the following description: “I found this ancient artifact stuck in an old machine labeled “29”. But what is its purpose?” SolutionInitial inspection leads to the conclusion that the image is of an IBM-29 punch card...

I participated in IrisCTF 2025, organized by IrisSec, as a core member of the team InfoSecIITR. Our team secured 9th place globally. Here are the Writeups of some Forensics, Networking and RF challenges I was personally able to solve during the competition. ForensicsdeldeldelChallenge Description Source File: deldeldel.tar.gz SolutionWe are give a packet capture file for this challenge. On viewing it in Wireshark a stream of USB packets can be discoverd. The file name indicating a keylogger...

I participated in BCACTF 2024, as a core member of the team InfoSecIITR. Our team secured 7th place globally. Here are the Writeups of some challenges I was personally able to solve during the competition. Forensics/23-719-writeupChallenge DescriptionWe are given a pdf along with the following description: That’s a nice unanimous supreme court decision you’ve made public, sure would be a shame if someone didn’t properly clean up remnants of a prior version of the document before...