Stealthy Zardoor Backdoor Targets Saudi Islamic Charity Organization

An unnamed Islamic non-profit organization in Saudi Arabia has been targeted as part of a stealthy cyber espionage campaign designed to drop a previously undocumented backdoor called Zardoor. Cisco Talos, which discovered the activity in May 2023, said the campaign has likely persisted since at least March 2021, adding it has identified only one compromised target to date, although it's

New CherryLoader Malware Mimics CherryTree to Deploy PrivEsc Exploits

A new Go-based malware loader called CherryLoader has been discovered by threat hunters in the wild to deliver additional payloads onto compromised hosts for follow-on exploitation. Arctic Wolf Labs, which discovered the new attack tool in two recent intrusions, said the loader's icon and name masquerades as the legitimate CherryTree note-taking application to dupe potential victims

Medusa Ransomware on the Rise: From Data Leaks to Multi-Extortion

The threat actors associated with the Medusa ransomware have ramped up their activities following the debut of a dedicated data leak site on the dark web in February 2023 to publish sensitive data of victims who are unwilling to agree to their demands. “As part of their multi-extortion strategy, this group will provide victims with multiple options when their data is posted on their

U.S. Cybersecurity Agencies Warn of Scattered Spider's Gen Z Cybercrime Ecosystem

U.S. cybersecurity and intelligence agencies have released a joint advisory about a cybercriminal group known as Scattered Spider that's known to employ sophisticated phishing tactics to infiltrate targets. "Scattered Spider threat actors typically engage in data theft for extortion using multiple social engineering techniques and have recently leveraged BlackCat/ALPHV ransomware alongside their

CISA and FBI Issue Warning About Rhysida Ransomware Double Extortion Attacks

The threat actors behind the Rhysida ransomware engage in opportunistic attacks targeting organizations spanning various industry sectors. The advisory comes courtesy of the U.S. Cybersecurity and Infrastructure Security Agency (CISA), the Federal Bureau of Investigation (FBI), and the Multi-State Information Sharing and Analysis Center (MS-ISAC). "Observed as a ransomware-as-a-service (RaaS)

China-Linked Flax Typhoon Cyber Espionage Targets Taiwan's Key Sectors

A nation-state activity group originating from China has been linked to cyber attacks on dozens of organizations in Taiwan as part of a suspected espionage campaign. The Microsoft Threat Intelligence team is tracking the activity under the name Flax Typhoon, which is also known as Ethereal Panda. "Flax Typhoon gains and maintains long-term access to Taiwanese organizations' networks with minimal