North Korean Hackers Stole Millions from Cryptocurrency Startups Worldwide

Operators associated with the Lazarus sub-group BlueNoroff have been linked to a series of cyberattacks targeting small and medium-sized companies worldwide with an aim to drain their cryptocurrency funds, in what’s yet another financially motivated operation mounted by the prolific North Korean state-sponsored actor. Russian cybersecurity company Kaspersky, which is tracking the intrusions under the…

North Korean Hackers Stole Millions from Cryptocurrency Startups Worldwide

Operators associated with the Lazarus sub-group BlueNoroff have been linked to a series of cyberattacks targeting small and medium-sized companies worldwide with an aim to drain their cryptocurrency funds, in what’s yet another financially motivated operation mounted by the prolific North Korean state-sponsored actor. Russian cybersecurity company Kaspersky, which is tracking the intrusions under the…

Iranian Hackers Exploit Log4j Vulnerability to Deploy PowerShell Backdoor

An Iranian state-sponsored actor has been observed scanning and attempting to abuse the Log4Shell flaw in publicly-exposed Java applications to deploy a hitherto undocumented PowerShell-based modular backdoor dubbed “CharmPower” for follow-on post-exploitation. “The actor’s attack setup was obviously rushed, as they used the basic open-source tool for the exploitation and based their operations on previous…

New SysJoker Espionage Malware Targeting Windows, macOS, and Linux Users

A new cross-platform backdoor called “SysJoker” has been observed targeting machines running Windows, Linux, and macOS operating systems as part of an ongoing espionage campaign that’s believed to have been initiated during the second half of 2021. “SysJoker masquerades as a system update and generates its [command-and-control server] by decoding a string retrieved from a…

New SysJoker Espionage Malware Targeting Windows, macOS, and Linux Users

A new cross-platform backdoor called “SysJoker” has been observed targeting machines running Windows, Linux, and macOS operating systems as part of an ongoing espionage campaign that’s believed to have been initiated during the second half of 2021. “SysJoker masquerades as a system update and generates its [command-and-control server] by decoding a string retrieved from a…

Hackers Use Cloud Services to Distribute Nanocore, Netwire, and AsyncRAT Malware

Threat actors are actively incorporating public cloud services from Amazon and Microsoft into their malicious campaigns to deliver commodity remote access trojans (RATs) such as Nanocore, Netwire, and AsyncRAT to siphon sensitive information from compromised systems. The spear-phishing attacks, which commenced in October 2021, have primarily targeted entities located in the U.S., Canada, Italy, and…