Category Archives: seccon

Following the SECCON writeups here is a crypto challenge. We get the following challenge.   Vigenere k: ???????????? p: SECCON{???????????????????????????????????} c: LMIG}RPEDOEEWKJIQIWKJWMNDTSR}TFVUFWYOCBAJBQ k=key, p=plain, c=cipher, md5(p)=f528a6ab914c1ecf856a1d93103948fe |ABCDEFGHIJKLMNOPQRSTUVWXYZ{} -+—————————- A|ABCDEFGHIJKLMNOPQRSTUVWXYZ{} B|BCDEFGHIJKLMNOPQRSTUVWXYZ{}A C|CDEFGHIJKLMNOPQRSTUVWXYZ{}AB D|DEFGHIJKLMNOPQRSTUVWXYZ{}ABC E|EFGHIJKLMNOPQRSTUVWXYZ{}ABCD F|FGHIJKLMNOPQRSTUVWXYZ{}ABCDE G|GHIJKLMNOPQRSTUVWXYZ{}ABCDEF H|HIJKLMNOPQRSTUVWXYZ{}ABCDEFG I|IJKLMNOPQRSTUVWXYZ{}ABCDEFGH J|JKLMNOPQRSTUVWXYZ{}ABCDEFGHI K|KLMNOPQRSTUVWXYZ{}ABCDEFGHIJ L|LMNOPQRSTUVWXYZ{}ABCDEFGHIJK … Continue reading →

As I told you before we didn’t have too much time to participate in this CTF so this will be the last writeup I can give you of the challenges we solved. We get the following challenge: Memory Analysis Find … Continue reading →

This year we have some time problems in the Shellwarp team to participate in the SECCON’s CTF (http://2016.seccon.jp/), only Patatas (team member) and me had some time to check and solve a few of them. But as we can learn from … Continue reading →