voidsecurity

My solutions for Flare-On reversing challenges is here FireEye published some statistics in there blog - Official Solutions an...

We got a 64-bit ELF for this challenge. Running strings shows the use of Obfuscator-LLVM Obfuscator-LLVM clang version 3.6.1 (t...

The challenge binary is a 64 bit executable. The objective was to login as user blankwall by finding the password. The supplied pa...

For this challenge we got a NES ROM to reverse engineer. HackingTime_03e852ace386388eb88c39a02f88c773.nes: iNES ROM dump, 2x16k ...

The 32bit ELF is a self modyfing code. So I decided to use PIN for futher analysis. $ pin -t obj-ia32/exectrace.so -- ./re350 fla...

This is a 32 bit binary which validates a key. Removing the dead codes, this is what the algorithm looks like: for (size_t i...

We were given a 32 bit ELF which validates the flag. main function reads user input, converts lower case to upper case, upper case...

We were given a 64-bit stripped ELF for this challenge. We need to generate a valid password for this executable. [root@renorobe...

The binary starts with mmap() syscall to allocate a memory of 0x7530 bytes. .text:00000000004000E0 exit: ...

Randy is a ELF 64-bit LSB executable. We have to figure out the valid key [ctf@renorobert BKPCTF]$ ./randy Password: qwerty :(...

For this challenge we were give a PE32 executable. Its a dice game, we have to throw some correct sequence of numbers to get the f...

Recently I was trying to reverse a small crackme by Tosh. The challenge was to find a password by reversing the binary, bypassing ...

For this challenge we got a 64-bit stripped executable. The binary implements a crypter, our aim is to understand the crypter and ...

Challenge: We received a crypter and a cypher, the aim is to decrypt the cypher and get the original key that is Alphanum and 11 ...

We were given a binary which was packed. "strings" revealed something like "This file is packed with the LOL execu...