This CTF I played as a part of Team Shakti. Must say , the team must really love the Rubik's cube . There were a lot of challenges based on it. But I attempted only the ones without the cube while my teammates were wrecking their heads off. In this post I shall be covering … Continue reading HackTM CTF 2020 →

BabyRSA - Crypto We are given the script used to encrypt the flag . On taking a look we see that the parameters used to encrypt the flag are not given but the parameters used are encrypted with vulnerable textbook RSA. Let's start from the end of the code : We see that we can … Continue reading de1ctf-2019 →

The challenge description is as follows : On making a net cat to the given ip we get this : The challenge was basically this . You give a string . The server cycles the characters of the string to form a matirx . Various operations are performed on the matrix . And finally the … Continue reading ISITDTUCTF 2019- Matrix(Programming) →

My write-up to CMU bomb labs..... Introduction The exercise is basically an ELF-executable. It contains 6 phases . To pass through each phase one has to input the correct string within the given interval or else the bomb defuses.In order to get an idea of the functions in the executable , type : >> objdump … Continue reading Defusing the Binary Bombs! →