Jigsaw Ransomware and old malware is back with a phishing campaign that spread LokiBot. The LokiBot install Jigsaw Ransomware as its payload using an old Microsoft Office CVE-2017-11882 remote code execution vulnerability in Equation Editor.

Java code snippet to append/pad Zero on the left of an Integer. For that we need to use String format method.

This is an Andorid Locker application that upon execute abuse android.permission.SYSTEM_ALERT_WINDOW and ask for a code to close the alert. It did not ask for ransom just an annoying alert box.

Code snippet to reverse a String in JAVA. There are many ways to achieve this by using a for loop, by using a built in function provided by the JAVA or by using recursion.

njRAT is one of the oldest and popular remote access trojan (RAT) in the malware world. njRAT is also known as Bladabindi RAT Njw0rm RAT. The reason of its popularity is the fact its source code is available and YouTube has tons of tutorials on it.