Multiple North Korean threat actors exploiting the TeamCity CVE-2023-42793 vulnerability

Since early October 2023, Microsoft has observed two North Korean nation-state threat actors – Diamond Sleet and Onyx Sleet – exploiting CVE-2023-42793, a remote-code execution vulnerability affecting multiple versions of JetBrains TeamCity server. TeamCity is a continuous integration/continuous...

Iranian Hackers Launch Sophisticated Attacks Targeting Israel with PowerLess Backdoor

An Iranian nation-state threat actor has been linked to a new wave of phishing attacks targeting Israel that's designed to deploy an updated version of a Windows backdoor called PowerLess. Cybersecurity firm Check Point is tracking the activity cluster under its mythical creature handle Educated...

Nation-state threat actor Mint Sandstorm refines tradecraft to attack high-value targets

Over the past several months, Microsoft has observed a mature subgroup of Mint Sandstorm, an Iranian nation-state actor previously tracked as PHOSPHORUS, refining its tactics, techniques, and procedures TTPs. Specifically, this subset has rapidly weaponized N-day vulnerabilities in common...

Nation-state threat actor Mint Sandstorm refines tradecraft to attack high-value targets

Over the past several months, Microsoft has observed a mature subgroup of Mint Sandstorm, an Iranian nation-state actor previously tracked as PHOSPHORUS, refining its tactics, techniques, and procedures TTPs. Specifically, this subset has rapidly weaponized N-day vulnerabilities in common...

Open-Source Intelligence to Understand the Scope of N-Day Vulnerabilities

Open-Source Intelligence to Understand the Scope of N-Day Vulnerabilities By Charles McFarland · September 21, 2022 The zero-day is the holy grail for cybercriminals; However, N-day vulnerabilities can pose problems even years after discovery. If a target is vulnerable, it doesn’t matter whether...

Open-Source Intelligence to Understand the Scope of N-Day Vulnerabilities

Open-Source Intelligence to Understand the Scope of N-Day Vulnerabilities By Charles McFarland · September 21, 2022 The zero-day is the holy grail for cybercriminals; However, N-day vulnerabilities can pose problems even years after discovery. If a target is vulnerable, it doesn’t matter whether...

Cyberespionage APT Now Identified as Three Separate Actors

A threat group responsible for sophisticated cyberespionage attacks against U.S. utilities is actually comprised of three subgroups, all with their own toolsets and targets, that have been operating globally since 2018, researchers have found. TA410 is a cyberespionage umbrella group loosely link...

Abcbot — A New Evolving Wormable Botnet Malware Targeting Linux

Researchers from Qihoo 360's Netlab security team have released details of a new evolving botnet called "Abcbot" that has been observed in the wild with worm-like propagation features to infect Linux systems and launch distributed denial-of-service DDoS attacks against targets. While the earliest...