description: The following analytic detects the execution of PowerShell scripts containing Base64 encoded content, specifically identifying the use of `FromBase64String`. It leverages PowerShell ...

Web shells are malicious files or code snippets that attackers put on compromised web servers to perform arbitrary, attacker-specified actions on the system or return requested data to which the ...

Whether you create your own code-signing certificate, or use a certificate from a certificate authority, it’s easy to give your Windows binaries the seal of approval. If you compile programs on ...

Multiple state-sponsored hacking groups from Iran, North Korea, and Russia have been found leveraging the increasingly popular ClickFix social engineering tactic to deploy malware over a three-month ...

Microsoft security researchers analyze suspicious files to determine if they are threats, unwanted applications, or normal files. Submit files you think are malware or files that you believe have been ...

Hundreds of US employees have been targeted in a new email attack that uses accounting lures to distribute malicious documents that deploy a malicious remote access tool known as NetSupport RAT. The ...

Users of on-premises deployments of Zoho ManageEngine products should make sure they have patches applied for a critical remote code execution vulnerability that attackers have now started exploiting ...

The compromise of SolarWinds’ system management tool raised a lot of interesting issues for anyone using a CI/CD (continuous integration and continuous delivery) build process for their software. How ...