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:
- Australian Cyber Security Centre Annual Cyber Threat Report 2020-21
July 1, 2021
The ACSC Annual Cyber Threat Report 2020–21 has been produced by the Australian Cyber Security Centre, with contributions from the Defence Intelligence Organisation (DIO), Australian Criminal Intelligence Commission (ACIC), Australian Security Intelligence Organisation (ASIO), The Department of Home Affairs and industry partners. The report covers the financial year from 1 July 2020 to 30 June 2021. ...
- NSA, Partners Release Cybersecurity Advisory on Brute Force Global Cyber Campaign
July 1, 2021
FORT MEADE, Md. – The National Security Agency (NSA), Cybersecurity and Infrastructure Security Agency (CISA), Federal Bureau of Investigation (FBI) and the UK’s National Cyber Security Centre (NCSC) released a Cybersecurity Advisory today exposing malicious cyber activities by Russian military intelligence against U.S. and global organizations, starting from mid-2019 and likely ongoing. This advisory is ...
- Network Attack Trends: February-April 2021
July 1, 2021
Unit 42 researchers observed network attack trends, February-April 2021. In the following sections, we present our analysis of the most recently published vulnerabilities, including the severity and category. Additionally, we provide insight into how the vulnerabilities are actively exploited in the wild based on real-world data collected from Palo Alto Networks Next-Generation Firewalls. We then ...
- PurpleFox Using WPAD to Target Indonesian Users
July 1, 2021
In September 2020, we published a blog describing how the PurpleFox Exploit Kit used Cloudflare services to maintain an infrastructure resilient to blocking and detection attempts. Since then, PurpleFox has been maintaining this strategy while at same time improving its attack chain by incorporating the latest public vulnerabilities into its arsenal. Recently, we found that PurpleFox ...
- Trickbot cybercrime group linked to new Diavol ransomware
July 1, 2021
FortiGuard Labs security researchers have linked a new ransomware strain dubbed Diavol to Wizard Spider, the cybercrime group behind the Trickbot botnet. Diavol and Conti ransomware payloads were deployed on different systems in a ransomware attack blocked by the company’s EDR solution in early June 2021. The two ransomware families’ samples are cut from the same cloth, ...
- Detecting unknown threats: a honeypot how-to
June 30, 2021
Catching threats is tricky business, especially in today’s threat landscape. To tackle this problem, for many years сybersecurity researchers have been using honeypots – a well-known deception technique in the industry. Dan Demeter, Senior Security Researcher with Kaspersky’s Global Research and Analysis Team and head of Kaspersky’s honeypot project, explains what honeypots are, why they ...

