Cracking zip password can be made easy with cracker-ng Installation Installation is simple, assuming you use Debian, Ubuntu or any other similar operating system : $ git clone https://github.com/BoboTiG/cracker-ng.git $ cd cracker-ng # For testers and contributors, always work with on the devel branch: $ git checkout devel $ make Cracking Cracking is relatively simple, […]
Crackstation wordlist is one of the most (if not the most) comprehensive wordlist which can be used for the purpose of dictionary -attack on passwords. The wordlist comes in two flavors: Full wordlist (GZIP-compressed (level 9). 4.2 GiB compressed. 15 GiB uncompressed) Human-password only wordlist (GZIP-compressed. 247 MiB compressed. 684 MiB uncompressed) Personally, I’ve already […]
I’ve come across an PDF which was sent to my email from an automated banking system. Unfortunately, the PDF file is encrypted and I’ve no way of knowing the password (or actually I’ve forgotten the password). Fortunately, my Ubuntu box comes with application which allows me to crack the PDF file within a reasonable time. […]
UFW: Securing SSH UFW or Uncomplicated Firewall is a firewall package in Ubuntu. UFW can be used to secure SSH ports in Ubuntu server. In order to secure OpenSSH, we must first disable UFW and allow all SSH rule. sudo ufw disable sudo ufw delete allow ssh Then we add IP Address to be allowed […]
Uncomplicated Firewall (UFW) is a helper tool which allows you to quickly setup iptables firewall in any Ubuntu server. It is installed by default and it allows you to secure your server at no time! Basic UFW Basic UFW: Check Status You can check UFW by running this command. The verbose argument prints additional information […]
In Ubuntu or Debian, a default OpenSSH server will display OpenSSH version alongside with Ubuntu/Debian distribution banner: $ telnet repeater.my 172.16.91.20 22 Trying 172.16.91.20… Connected to 172.16.91.20. Escape character is ‘^]’. SSH-2.0-OpenSSH_6.6.1p1 Ubuntu-2ubuntu2 You can hide the identifying part of Ubuntu-2ubuntu2 from the server banner by editing /etc/ssh/sshd_config file, and adding “DebianBanner no” either at […]