New Ongoing Campaign Targets npm Ecosystem with Unique Execution Chain

Cybersecurity researchers have discovered a new ongoing campaign aimed at the npm ecosystem that leverages a unique execution chain to deliver an unknown payload to targeted systems. "The packages in question seem to be published in pairs, each pair working in unison to fetch additional resources...

The art and science behind Microsoft threat hunting: Part 1

At Microsoft, we define threat hunting as the practice of actively looking for cyberthreats that have covertly or not so covertly penetrated an environment. This involves looking beyond the known alerts or malicious threats to discover new potential threats and vulnerabilities. Why do incident...

Watch Out! Zyxel Firewalls and VPNs Under Active Cyberattack

Taiwanese networking equipment company Zyxel is warning customers of an ongoing attack targeting a "small subset" of its security products such as firewall and VPN servers. Attributing the attacks to a "sophisticated threat actor," the firm noted that the attacks single out appliances that have...

Customer Guidance on Recent Nation-State Cyber Attacks

Note: we are updating as the investigation continues. Revision history listed at the bottom. This post contains technical details about the methods of the actor we believe was involved in Recent Nation-State Cyber Attacks, with the goal to enable the broader security community to hunt for activit...

Fake Skype, Signal Apps Used to Spread Surveillanceware

Cybercriminals are increasingly peddling booby-trapped version of popular apps such as Skype and Signal that contain surveillanceware. Apurva Kumar, security intelligence engineer at Lookout, said that one such surveillanceware family that’s been spotted using this tactic is Monokle, a...

Spoofed SEC Emails Distribute Evolved DNSMessenger

This post was authored by Edmund Brumaghin, Colin Grady, with contributions from Dave Maynor and @Simpo13.Executive SummaryCisco Talos previously published research into a targeted attack that leveraged an interesting infection process using DNS TXT records to create a bidirectional command and...

Video: Vitaly Kamluk on The Equation Group APT

Kaspersky Lab’s global research and analysis team uncovered what they claim is the most sophisticated advanced persistent threat group yet known. Known as the Equation Group, researchers led by GReAT director Costin Raiu say the threat actors have been operating for 15 years or more and are known...