A new self-destructing backdoor called Mistic used in intrusions since April appears to be linked to a criminal gang that compromises corporate networks and then sells that access to ransomware groups, according to security researchers.
This backdoor, also tracked as MLTBackdoor, was first documented by Zscaler earlier this month, with the security shop suggesting the novel malware is “likely used in ransomware attacks to establish a foothold for lateral movement.”
Read more…
Source:
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- LockBit Green and phishing that targets organizations
June 22, 2023
In recent months, Kaspersky published private reports on a broad range of subjects. They wrote about malware targeting Brazil, about CEO fraud attempts, Andariel, LockBit and others. For this post, Kaspersky researchers selected three private reports, namely those related to LockBit and phishing campaigns targeting businesses, and prepared excerpts from these. Read more… Source: Kaspersky
- Beyond the horizon: Traveling the world on Camaro Dragon’s USB flash drives
June 22, 2023
In early 2023, the Check Point Incident Response Team (CPIRT) team investigated a malware incident at a European healthcare institution involving a set of tools mentioned in the Avast report in late 2022. The incident was attributed to Camaro Dragon, a Chinese-based espionage threat actor whose activities overlap with activities tracked by different researchers as Mustang ...
- IoT devices and Linux-based systems targeted by OpenSSH trojan campaign
June 22, 2023
Cryptojacking, the illicit use of computing resources to mine cryptocurrency, has become increasingly prevalent in recent years, with attackers building a cybercriminal economy around attack tools, infrastructure, and services to generate revenue from targeting a wide range of vulnerable systems, including Internet of Things (IoT) devices. Microsoft researchers have recently discovered an attack leveraging custom and ...
- Military AI’s Next Frontier: Your Work Computer
June 22, 2023
It’s probably hard to imagine that you are the target of spycraft, but spying on employees is the next frontier of military AI. Surveillance techniques familiar to authoritarian dictatorships have now been repurposed to target American workers. Over the past decade, a few dozen companies have emerged to sell your employer subscriptions for services like “open ...
- Ransomware Redefined: RedEnergy Stealer-as-a-Ransomware attacks
June 21, 2023
Zscaler ThreatLabz has discovered a new malware variant, RedEnergy stealer (not to be confused with the australian company Red Energy) that fits into the hybrid Stealer-as-a-Ransomware threat category. RedEnergy stealer uses a fake update campaign to target multiple industry verticals and possesses the ability to steal information from various browsers, enabling the exfiltration of sensitive ...
- Graphican: Flea uses new backdoor in attacks targeting Foreign Ministries
June 21, 2023
The Flea (aka APT15, Nickel) advanced persistent threat (APT) group continued to focus on foreign ministries in a recent attack campaign that ran from late 2022 into early 2023 in which it leveraged a new backdoor called Backdoor.Graphican. This campaign was primarily focused on foreign affairs ministries in the Americas, although the group also targeted a ...