Many web applications have been created that specifically contain vulnerabilities to train hacker skills. Some of them are distributed installed and configured specifically for this purpose intended Linux distributions, some can be installed by yourself in any Linux distribution (for an example see the article “How to install OWASP MutillidaeRead More
How to search and brute force services on non-standard ports
If you are wondering where I took the IP address that will participate in the examples of this article, then I took it from the access logs of the web server. Someone, apparently, tried to brute-force the site: HTTP Requests for DoS attack against the website: 193.232.100.234 - - [16/Mar/2019:01:52:24Read More
Dissection of the scammer site (case)
btconline.io is a fraudulent site. His legend is that you enter your Bitcoin wallet address there and Bitcoins immediately start to be mined for you. Everything is very simple – you do not even need to register. There is only one problem – Bitcoins are dripping slowly for you, andRead More
How to see locked HTML code, how to bypass social content lockers and other website info gathering countermeasures
Is it possible to protect the HTML code of a web page? The source code of the web page cannot be protected from viewing. It is a fact. But you can make code analyzing task more difficult. Completely inefficient methods include locking the right mouse button. The more effective meansRead More
How to upgrade all Python packages in Kali Linux
Your Kali Linux system is full of obsolete Python packages. You can verify this, in order to display Python 3 packages for which a new version has been released: pip3 list -o To display Python 2 packages for which a new version has been released: pip2 list -o To upgradeRead More
Kali Linux updating troubleshooting
A full system update is performed as follows: sudo apt update && sudo apt -y full-upgrade The update process requires: correct entry in repository list (application sources) Internet connection Application sources (repositories) are written in the /etc/apt/sources.list file To open a file, use the command gedit /etc/apt/sources.list Lines that beginRead More
Word lists for brute-force
wordlistctl: large database of dictionaries [Dictionary Collection] wordlistctl is a program that contains a large database of dictionaries. In fact, it is this database that is of interest, dictionaries can be downloaded directly, without this program – I will give links to the databases below, they are in JSON format,Read More
Why in Tails the history of the entered commands is not saved. How to make so that the history of the last Bash commands are saved
The history of commands that you entered and performed earlier is very convenient, since by pressing ↑ (the up arrow key) you can reduce the time to perform a single-type operation. Also, if you make a mistake, you can return to the previous command and correct it – no needRead More
How to upgrade Tails on an internal HDD
If you installed Tails to HDD (like described here) ‘automatic’ upgrade (in place upgrade) does not work anymore. Here's how to manually upgrade. This is ‘upgrade Tails on an internal hdd’ guide, but reviewed and fixed in 2019. 1. Download a new DVD/ISO/USB version of Tails from and while bootingRead More
How to create or enlarge a Swap file in Kali Linux
If you do not have enough RAM, you can add a Swap file. If you do not have enough RAM with the existing swap partition, you can create a larger swap file and use only it create an additional swap file and use it together with the existing swap partitionRead More