Google Threat Intelligence Group (GTIG) has identified an ongoing campaign by a suspected financially-motivated threat actor we track as UNC6148, targeting fully patched end-of-life SonicWall Secure Mobile Access (SMA) 100 series appliances.
GTIG assesses with high confidence that UNC6148 is leveraging credentials and one-time password (OTP) seeds stolen during previous intrusions, allowing them to regain access even after organizations have applied security updates. Evidence for the initial infection vector was limited, as the actor’s malware is designed to selectively remove log entries, hindering forensic investigation; however, it is likely this was through the exploitation of known vulnerabilities.
Read more…
Source: Mandiant/GTG
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- Ransomware’s appetite for US healthcare sees known attacks double in a year
March 15, 2024
Following the February 21 attack on Change Healthcare, scores of people in the US have been living with the brutal, real-world effects of ransomware. Described by the American Hospital Association (AHA) President and CEO Rick Pollack as “the most significant and consequential incident of its kind against the US health care system in history,” the attack ...
- Member of LockBit ransomware group sentenced to 4 years in prison
March 14, 2024
A dual Canadian-Russian national has been sentenced to four years in prison for his role in infecting more than 1,000 victims with the LockBit ransomware and then extorting them for tens of millions of dollars. Mikhail Vasiliev, a 33-year-old who most recently lived in Ontario, Canada, was arrested in November 2022 and charged with conspiring to ...
- A patched Windows attack surface is still exploitable
March 14, 2024
On August 8, 2023, Microsoft finally released a kernel patch for a class of vulnerabilities affecting Microsoft Windows since 2015. The vulnerabilities lead to elevation of privilege (EoP), which allows an account with user rights to gain SYSTEM privileges on a vulnerable host. The root cause of this attack surface, according to a 2015 blog, is ...
- Businesses leaving their Kubernetes containers exposed to ransomware
March 14, 2024
As businesses look for faster and more flexible development frameworks, the use of containers and Kubernetes (K8s) continues to rise. While Kubernetes theoretically has several security advantages compared to traditional applications, it remains one of the top concerns for organizations on their cloud-native journey. This concern is fairly valid it seems. A recent report found that ...
- What’s in your notepad? Infected text editors target Chinese users
March 13, 2024
“Malvertising” is a popular way of attracting victims to malicious sites: an advertisement block is placed at the top of the search results, increasing the likelihood of users clicking the link. Sites at the top of search results also tend to be more trusted by users. A year ago, Kaspersky experts discussed a malvertising campaign that ...
- CVE-2024-21412: DarkGate Operators Exploit Microsoft Windows SmartScreen Bypass in Zero-Day Campaign
March 13, 2024
The Zero Day Initiative (ZDI) recently uncovered a DarkGate campaign in mid-January 2024, which exploited CVE-2024-21412 through the use of fake software installers. During this campaign, users were lured using PDFs that contained Google DoubleClick Digital Marketing (DDM) open redirects that led unsuspecting victims to compromised sites hosting the Microsoft Windows SmartScreen bypass CVE-2024-21412 that led ...