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:
- New hierarchy, heightened threat: Classiscam’s sustained global campaign
August 31, 2023
Classiscam was initially launched as a relatively straightforward scam operation. Cybercriminals created fake ads on marketplaces and classified sites, and leveraged social engineering techniques to trick users into “buying” the falsely-advertised goods or services, whether by transferring money directly to the scammers or by debiting money from the victim’s bank card. Over time, Classiscam schemes have ...
- Secret Selfies: Can Phones Take Pictures and Videos of You Without Your Knowledge?
August 31, 2023
It’s a longstanding question: can your phone really take selfies without your knowledge? The answer is yes, but with a pretty big asterisk next to it. And that asterisk is known as spyware. Spyware can use your phone for snooping in several ways, including using your camera to take pictures and videos. What exactly is spyware? ...
- CISA and FBI Publish Joint Advisory on QakBot Infrastructure
August 30, 2023
Today, the Cybersecurity and Infrastructure Security Agency (CISA) and Federal Bureau of Investigation (FBI) released a joint Cybersecurity Advisory (CSA), Identification and Disruption of QakBot Infrastructure, to help organizations detect and protect against newly identified QakBot-related activity and malware. QakBot—also known as Qbot, Quackbot, Pinkslipbot, and TA570—is responsible for thousands of malware infections globally. Originally used ...
- Earth Estries Targets Government, Tech for Cyberespionage
August 30, 2023
Earlier this year, Trend Micro researchers discovered a new cyberespionage campaign by a hacker group we named Earth Estries. Based on their observations, Earth Estries has been active since at least 2020. The researchers also found some overlaps between the tactics, techniques, and procedures (TTPs) used by Earth Estries and those used by another advanced ...
- Exploring the Inner Workings of DuckTail
August 30, 2023
In their persistent quest to decode DuckTail’s maneuvers, Zscaler ThreatLabz began an intelligence collection operation in May 2023. Through an intensive three-month period of monitoring, Zscaler researchers obtained critical details about DuckTail’s operational framework. This expedition granted them unprecedented visibility into DuckTail’s end-to-end operations, spanning the entire kill chain from reconnaissance to post-compromise. Zscaler team yielded valuable ...
- Multiple Threats Target Adobe ColdFusion Vulnerabilities
August 30, 2023
This past July, Adobe responded to reports of exploits targeting pre-authentication remote code execution (RCE) vulnerabilities in their ColdFusion solution by releasing a series of security updates: APSB23-40, APSB23-41, and APSB23-47. An in-depth analysis of those exploits has been documented by Project Discovery, including a significant vulnerability in the WDDX deserialization process within Adobe ColdFusion ...