Ethical hacking and penetration testing

Can a proxy be hacked? Proxies are quite popular among users, especially among those who want to hide their real IP address or bypass blocking access to a web resource (by the owner or by government censorship). Related article: Configuring programs and operating systems to work through a proxy AtRead More

Hashcat is an offline password guessing program that can recover (crack) passwords for encrypted files. In addition to files, the program supports a variety of encryption and authentication algorithms for brute-force. Programs like Hashcat are most effective when using video cards to brute force passwords. But Hashcat can also performRead More

While penetration testing of a web resource, one of the strategies is cracking the perimeter. Large companies with a developed web structure may have network nodes that are not actively used or supported – simply put, they are forgotten. On the one hand, such nodes may be more vulnerable toRead More

In the article “How to identify hash types” we have already got acquainted with such utilities as hashID and HashTag, which determine the hash string by which algorithm it was calculated. The aforementioned tools still work, but the world does not stand still (and the development of these programs doesRead More

Table of contents 1. Squid proxy server 2. Should I choose Squid or 3proxy? 3. How to install Squid on Linux 4. How to install Squid on Windows 5. Squid config file 6. Configuring Squid as an HTTP Proxy on Linux. How to allow only certain IPs to connect to proxies 7. How to hide thatRead More

In Tor Browser, you can save files to one single folder, it is “/home/amnesia/Tor Browser/”. It is offered by default if you are saving a file or web page. After a reboot, this folder is cleared. If you want the file to remain after a reboot, then move it toRead More

Table of contents 1. How to enable proxy 2. Enabling proxy on Windows 2.1 How to enable proxy in Windows at the operating system level 2.2 Enabling proxies in web browsers 2.2.1 Google Chrome, Opera, Internet Explorer 2.2.2 Firefox 3. Enabling proxy on Linux 3.1 Enabling proxy in Linux at the operating systemRead More

Table of contents 1. Kali Linux desktop environments 2. Desktop environment selection during Kali Linux installation 3. How to change Kali Linux desktop environment without reinstalling the system. Desktop environment metapackages 4. How to install a new desktop in Kali Linux 5. How to switch between desktop environments 6. How to remove the desktop environment 7. HowRead More

Table of contents 1. Introducing and Installing John the Ripper 2. Utilities for extracting hashes 3. How to start cracking passwords in John the Ripper (how to specify masks, dictionaries, hashes, formats, modes) 4. Practical examples of John the Ripper usage 5. Rule-based attack 6. How to brute force non-standard hashes 7. Johnny –Read More

I know about virtual machines and that Microsoft has implemented WSL (Windows Subsystem for Linux). The virtual machine requires resources (not suitable for very weak computers). Other options are also not very simple. Cygwin installs like a normal portable application. After installation, a shortcut is added to the desktop whenRead More