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:
- Threat Assessment: Active Exploitation of Four Zero-Day Vulnerabilities in Microsoft Exchange Server
March 4, 2021
On Mar. 2, 2021, Volexity reported in-the-wild-exploitation of four Microsoft Exchange Server vulnerabilities: CVE-2021-26855, CVE-2021-26857, CVE-2021-26858 and CVE-2021-27065. As a result of these vulnerabilities being exploited, adversaries can access Microsoft Exchange Servers and allow installation of additional tools to facilitate long-term access into victims’ environments. There has also been a report of multiple threat actors leveraging ...
- Supermicro, Pulse Secure release fixes for ‘TrickBoot’ attacks
March 4, 2021
Supermicro and Pulse Secure have released advisories warning that some of their motherboards are vulnerable to the TrickBot malware’s UEFI firmware-infecting module, known as TrickBoot. Last year, cybersecurity firms Advanced Intelligence and Eclypsium released a joint report about a new malicious firmware-targeting ‘TrickBoot’ module delivered by the notorious TrickBot malware. When executed, the module will analyze a ...
- Maza Russian cybercriminal forum suffers data breach
March 4, 2021
The Maza cybercriminal forum has reportedly suffered a data breach leading to the leak of user information. On March 3, Flashpoint researchers detected the breach on Maza — once known as Mazafaka — which has been online since at least 2003. Maza is a closed and heavily-restricted forum for Russian-speaking threat actors. The community has been connected ...
- Google patches actively exploited Chrome browser zero-day vulnerability
March 3, 2021
Google has warned of reports that a zero-day vulnerability in the Chrome browser is being actively exploited in the wild. The vulnerability, tracked as CVE-2021-21166, was reported by Alison Huffman from the Microsoft Browser Vulnerability Research team on February 11 and is described as an “object lifecycle issue in audio.” Google has labeled the vulnerability as a ...
- Kerberos KDC Security Feature Bypass Vulnerability (CVE-2020-17049 AKA Bronze Bit)
March 3, 2021
A recent vulnerability in the Kerberos authentication protocol, CVE-2020-17049 (dubbed Bronze Bit), has been disclosed by Microsoft. The vulnerability is in the way that the Key Distribution Center (KDC) handles service tickets and validates whether delegation is allowed. In the attack, as detailed in the Palo Alto Networks Security Operations blog, “Protecting Against the Bronze Bit ...
- Malicious Code Bombs Target Amazon, Lyft, Slack, Zillow
March 3, 2021
Researchers have spotted malicious packages targeting internal applications for Amazon, Lyft, Slack and Zillow (among others) inside the npm public code repository — all of which exfiltrate sensitive information. The packages weaponize a proof-of-concept (PoC) code dependency-confusion exploit that was recently devised by security researcher Alex Birsan to inject rogue code into developer projects. Internal developer projects ...