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:
- YouTube cracks down on gambling videos trying to lure viewers to unapproved sites
March 4, 2025
YouTube is cracking down on content related to gambling as sports betting and other online prediction markets have taken off in the United States. The platform announced Tuesday it will no longer allow content that directs users to “unapproved” gambling websites through links, images, text, logos or verbal references. YouTube defines unapproved gambling sites as those ...
- Threat Actor Delivers Highly Targeted Multistage Polyglot Malware
March 4, 2025
In fall 2024, UNK_CraftyCamel leveraged a compromised Indian electronics company to target fewer than five organizations in the United Arab Emirates with a malicious ZIP file that leveraged multiple polyglot files to eventually install a custom Go backdoor dubbed Sosano. Proofpoint uses the UNK_ designator to define clusters of activity that are still developing and have ...
- Polish space agency says it’s investigating a cyberattack
March 4, 2025
Poland’s space agency (POLSA) says it is working to restore services following a cybersecurity incident. POLSA, the Polish government agency responsible for the country’s space activities, said in a post on X that it had “immediately disconnected” its network from the internet after detecting the cyberattack on Sunday. POLSA’s website remains offline at the time of ...
- Black Basta and Cactus Ransomware Groups Add BackConnect Malware to Their Arsenal
March 3, 2025
The Trend Micro Managed XDR and Incident Response (IR) teams recently analyzed incidents where threat actors deploying Black Basta and Cactus ransomware used the same BackConnect malware to strengthen their foothold on compromised machines. The BackConnect malware is a tool that cybercriminals use to establish and maintain persistent control over compromised systems. Once infiltrated, it grants ...
- Havoc: SharePoint with Microsoft Graph API turns into FUD C2
March 3, 2025
Havoc is a powerful command-and-control (C2) framework. Like other well-known C2 frameworks, such as Cobalt Strike, Silver, and Winos4.0, Havoc has been used in threat campaigns to gain full control over the target. Additionally, It is open-source and available on GitHub, making it easier for threat actors to modify it to evade detection. FortiGuard Labs recently ...
- Uncovering .NET Malware Obfuscated by Encryption and Virtualization
March 3, 2025
This article examines obfuscation techniques used in popular malware families, and offers some insights into possible opportunities for automating unpacking of these malware samples. Palo Alto researchers will examine these behaviors in samples we have observed, showing how to extract their configuration parameters through unpacking each stage. Performing this same process through automation would allow a ...