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:
- Clop ransomware claims Saks Fifth Avenue, retailer says mock data stolen
March 21, 2023
The Clop ransomware gang claims to have attacked Saks Fifth Avenue on its dark web leak site. The cyber security incident is among Clop’s ongoing attacks against vulnerable GoAnywhere MFT servers belonging to established enterprises. Although the company states no real customer data is impacted, it did not address if corporate or employee data was stolen. Read ...
- Hackers mostly targeted Microsoft, Google, Apple zero-days in 2022
March 20, 2023
Hackers continue to target zero-day vulnerabilities in malicious campaigns, with researchers reporting that 55 zero-days were actively exploited in 2022, most targeting Microsoft, Google, and Apple products. Most of these vulnerabilities (53 out of 55) enabled the attacker to either gain elevated privileges or perform remote code execution on vulnerable devices. Read more… Source: Bleeping Computer
- New ‘HinataBot’ botnet could launch massive 3.3 Tbps DDoS attacks
March 19, 2023
A new malware botnet was discovered targeting Realtek SDK, Huawei routers, and Hadoop YARN servers to recruit devices into DDoS (distributed denial of service) swarm with the potential for massive attacks. The new botnet was discovered by researchers at Akamai at the start of the year, who caught it on their HTTP and SSH honeypots, seen ...
- Emotet malware now distributed in Microsoft OneNote files to evade defenses
March 18, 2023
The Emotet malware is now distributed using Microsoft OneNote email attachments, aiming to bypass Microsoft security restrictions and infect more targets. Emotet is a notorious malware botnet historically distributed through Microsoft Word and Excel attachments that contain malicious macros. If a user opens the attachment and enables macros, a DLL will be downloaded and executed that ...
- KillNet and affiliate hacktivist groups targeting healthcare with DDoS attacks
March 17, 2023
In the last year, geopolitical tension has led to an uptick of reported cybercrime events fueled by hacktivist groups. The US Cybersecurity and Infrastructure Security Agency (CISA) published an advisory to warn organizations about these attacks and teamed with the FBI on a distributed denial-of-service (DDoS) response strategy guide. KillNet, a group that the US ...
- Bee-Ware of Trigona, An Emerging Ransomware Strain
March 16, 2023
Trigona ransomware is a relatively new strain that security researchers first discovered in late October 2022. By analyzing Trigona ransomware binaries and ransom notes obtained from VirusTotal, as well as information from Unit 42 incident response, we determined that Trigona was very active during December 2022, with at least 15 potential victims being compromised. Affected ...