I will skip explanation of what is square root of a number modulo P. This article is more about finding the square root. Quadratic Nature For all the numbers between 1 an P-1, only few numbers wi...

Description Euclidean algorithm and Extended Euclidean algorithm are used to GCD and Bezout’s Identity for the given two numbers. They are useful in cryptography when analysing the strength of RSA...

Description Description given on the challenge: Can you try to get the flag? I’m not revealing anything anymore!! Additional details will be available after launching your challenge instance. ...

Windows Forensics tool for windows event logs Powershell script for enumeration - powerView Linux Misc check secrets in git repo Different Format Converters Check ssl cert Domain...

Pentest Checklist OSCP Preparation material Assembly instructions reference CLI Commands for Linux, MacOS, CMD, PowerShell Windows Portable Executable format Windows Registry details A ...

Privilege Escalation is searching for ways to run commands that require elevated access permissions, Eg. reading /etc/shadow file. Information Gathering Once you have access to a remote machine, ...

Syntax # basic syntax nmap [options] <iplist> # Ways to provide IP List: # 1. list nmap ip1 ip2 ip2 # 2. range nmap 10.10.10.10-30 nmap 10.10.0-255.101-125 # 3. CIDR nmap 10.10.10.0/24 ...

Useful commands to handle different cryptographic scenarios Symmetric encryption GPG # encrypt a file using GnuPG (GPG): # here CIPHER is the name of the encryption algorithm. You can check supp...

Description This is the presentation slides for the talk given in October 2024 at DC604 - Vancouver Cybersecurity Community. Everything below this line is part of the presentation with extra descr...

After completing high level design for the Ludo game in previous post Ludo System Design, we started implementing the game using Javascript as our main language. We will discuss in this post how th...