Go below the surface on tampering: The trouble with software integrity validation

The growing number of software supply chain attacks is putting pressure on validation of software integrity and authenticity.

It’s not a secret if you publish it on PyPI

Python packages can contain sensitive information. Here's how software development teams can keep secrets secret

Coinminer and npm: What you see is not always what you get

Package repository content can be different from source code repository content. Here's what your software team needs to know.

From the Labs: YARA Rule for Detecting Malware Wipers

ReversingLabs’ team of threat analysts have released new YARA detection rules for malware wipers discovered targeting Ukraine. We break them down for you here.

Update: NPM dependency confusion hacks target German firms

Research by ReversingLabs suggests that dependency confusion attacks on npm repositories have been used to compromise German firms - exposing an apparent red team exercise.

Emotet's back. Here's how to keep from getting hacked

The Emotet malware is back just months after a highly publicized take-down. Dragan Damjanovic of KPMG and Dado Horvat, a Senior Threat Analyst at ReversingLabs, talk about how to keep your organization safe.

Conti pivots as ransomware as a service struggles

The resurgence of the Conti ransomware group in the face of leaks and takedowns is worth paying attention to -and a signal of trouble ahead for enterprises

Wiper malware targeting Ukraine: Evidence of planning, and haste

Ukrainian organizations have been targeted by hundreds of attacks in recent weeks, including two new examples of destructive wiper malware. We take a closer look at HermeticWiper and IsaacWiper.

Microsoft disables Excel, Office macros by default. Will it matter?

ReversingLabs data shows that attachments that use decades-old scripting languages like XLM and VBA are often malicious. Still, Microsoft’s move to harden Excel and other Office apps may not move the security needle.

After Russian arrests, REvil ransomware implants persist

Almost two weeks after Russian authorities claimed to have dismantled the REvil ransomware group with a string of arrests, evidence for a reduction in the availability of REvil implants has yet to appear.

Here’s what happened with Log4Shell while you were out

A look back at 2021: The year ransomware took the gloves off

We came into 2021 well aware of the risks ransomware posed. Even that didn’t prepare us for what was to come, as ransomware gangs and nation states launched attacks on critical infrastructure with cyber-physical consequences

A look back at 2021: The year supply chain threats went mainstream

Ransomware may have grabbed most of the headlines, but history will remember 2021 as the year that governments and companies finally woke up to the lurking threat posed by vulnerable software supply chains

Groundhog day: NPM package caught stealing browser passwords

This blog discusses the process used to find another NPM package that steals saved Chrome browser passwords.

Data Exfiltrator

A New Tactic for Ransomware Adversaries