DEFCON CTF 2016 - heapfun4u

Info The vulnerable file was given with the following instructions: Guess what, it is a heap bug So yes, we'll be dealing with some heap fun. gef➤ !file ./heapfun4u ./heapfun4u: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically...

DEFCON CTF 2016 - feedme

Info The vulnerable file was given with the instructions: Don't forget to feed me http://www.scs.stanford.edu/brop/ Here are some info given by gef: gef➤ !file ./feedme ./feedme: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV),...

VolgaCTF 2016 - Web of Science

Info gef➤ !file ./web_of_science ./web_of_science: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux 2.6.24, BuildID[sha1]=85e0df26435ee411258ad39668c9700b1ebadec9,...

0ctf 2016 - Warmup write-up

I participated to 0ctf but only had time to play for the reversing challenge trace (write-up coming up soon) during the competition time. I did this challenge only for fun after the CTF was over so I do not know the flag, and since I found it...

BKPCTF 2016 - Complex Calc

The challenge is the sequel to simple_calc. If you haven't read our write-up, now is the time 😊 Info ~ $ file d60001db1a24eca410c5d102410c3311d34d832c d60001db1a24eca410c5d102410c3311d34d832c: ELF 64-bit LSB executable, x86-64, version 1...

BKPCTF 2016 - Simple Calc

Info ~/cur/simple_calc $ file b28b103ea5f1171553554f0127696a18c6d2dcf7 b28b103ea5f1171553554f0127696a18c6d2dcf7: ELF 64-bit LSB executable, x86-64, version 1 (GNU/Linux), statically linked, for GNU/Linux 2.6.24,...