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:
- Understanding DNS Tunneling Traffic in the Wild
October 13, 2023
Palo Alto Unit 42 researchers present a study on why and how domain name system (DNS) tunneling techniques are used in the wild. Motivated by their findings, they present a system to automatically attribute tunneling domains to tools and campaigns. Attackers adopt DNS tunneling techniques to bypass security policies in enterprise networks because most enterprises ...
- curl SOCKS5 heap overflow vulnerability
October 13, 2023
Client URL, or curl, and its library version libcurl are one of the most popular and integrated command line tools for data transfer. They support a wide range of protocols such as HTTP, HTTPS, SMTP and FTP and enable the user to make requests to a URL while handling all standard components of requests such ...
- Cyber attack targets Medical Aid for Palestinians’ website amid Israel-Hamas conflict
October 13, 2023
In the midst of the ongoing conflict between Israel and Hamas, the Medical Aid for Palestinians organisation has reported a cyber attack on their website, which has disrupted their relief efforts for Gaza. They have also issued a warning that their website may go offline due to these disruptions. Taking to X (formerly Twitter), they posted ...
- Update now! Atlassian Confluence vulnerability is being actively exploited
October 12, 2023
Microsoft Threat Intelligence has revealed that it has been tracking the active exploitation of a vulnerability in Atlassian Confluence software since September 14, 2023. At the time the attacks were first observed the vulnerability was a zero-day, meaning that no update was available, so defenders had “zero days” to patch the flaw. The vulnerability has since ...
- Akira ransomware overview
October 12, 2023
Akira is a relatively new ransomware variant with Windows and Linux versions that came out in April 2023. Like many attackers, the gang behind this variant only uses the ransomware to encrypt files after first breaking into a network and stealing data. This group also employs a double extortion tactic, demanding a ransom from victims ...
- CISA Releases Nineteen Industrial Control Systems Advisories
October 12, 2023
CISA released nineteen Industrial Control Systems (ICS) advisories on October 12, 2023. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-23-285-01 Siemens SIMATIC CP products ICSA-23-285-02 Siemens SCALANCE W1750D ICSA-23-285-03 Siemens SICAM A8000 Devices Read more… Source: U.S. Cybersecurity and Infrastructure Security Agency