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:
- FBI Warns of Maze Ransomware Focusing on U.S. Companies
January 3, 2020
Organizations in the private sector received an alert from the F.B.I. about operators of the Maze ransomware focusing on companies in the U.S. to encrypt information on their systems after stealing it first. The warning came less than a week after the Bureau warned about the LockerGoga and MegaCortex ransomware threats infecting corporate systems. Maze has been operating since ...
- 3 Critical Bugs Allow Remote Attacks on Cisco NX-OS and Switches
January 3, 2020
Cisco Systems has issued patches for three critical vulnerabilities impacting a key tool for managing its network platform and switches. The bugs could allow an unauthenticated, remote attacker to bypass endpoint authentication and execute arbitrary actions with administrative privileges on targeted devices, the vendor said. the networking giant disclosed the critical flaws on Thursday; all three ...
- Cybercriminals Fill Up on Gas Pump Transaction Scams Ahead of Oct. Deadline
January 3, 2020
Gas stations are gearing up for a major change in credit-card fraud liability in October, when they will find themselves on the hook for card-skimming attacks at the pump. In the meantime though, cybercriminals will be targeting pay-at-the-pump point-of-sale mechanisms with a vengeance, researchers say. Fuel pumps represent a last bastion of non-encrypted transactions. Unlike when ...
- FIN7 Hackers’ BIOLOAD Malware Drops Fresher Carbanak Backdoor
December 27, 2019
Malware researchers have uncovered a new tool used by the financially-motivated cybercriminal group known as FIN7 to load fresher builds of the Carbanak backdoor. Dubbed BIOLOAD, the malware loader has a low detection rate and shares similarities with BOOSTWRITE, another loader recently identified to be part of FIN7’s arsenal. The malware relies on a technique called binary planting that ...
- Critical Citrix Bug Puts 80,000 Corporate LANs at Risk
December 26, 2019
Digital workspace and enterprise networks vendor Citrix has announced a critical vulnerability in the Citrix Application Delivery Controller (ADC) and Citrix Gateway. If exploited, it could allow unauthenticated attackers to gain remote access to a company’s local network and carry out arbitrary code execution. The Citrix products (formerly the NetScaler ADC and Gateway) are used for ...
- Wireshark Tutorial: Examining Ursnif Infections
December 23, 2019
Ursnif is banking malware sometimes referred to as Gozi or IFSB. The Ursnif family of malware has been active for years, and current samples generate distinct traffic patterns. This tutorial reviews packet captures (pcaps) of infection Ursnif traffic using Wireshark. Understanding these traffic patterns can be critical for security professionals when detecting and investigating Ursnif infections. This tutorial covers ...