TrendResearch has detected an operation where attackers exploited a Cisco Simple Network Management Protocol (SNMP) vulnerability to install a rootkit on vulnerable network devices.
The SNMP exploit referenced in Cisco’s latest advisory is CVE-2025-20352, which affects both 32-bit and 64-bit switch builds and can result in remote code execution (RCE). The operation targeted victims running older Linux systems that do not have endpoint detection response solutions, where they deployed Linux rootkits to hide activity and evade blue-team investigation and detection. Trend Research investigation also found that attackers used spoofed IPs and Mac email addresses in their attacks.
Read more…
Source: Trend Micro
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- Microsoft Breaks Silence on Barrage of ProxyShell Attacks
August 26, 2021
Microsoft has broken its silence on the recent barrage of attacks on several ProxyShell vulnerabilities in that were highlighted by a researcher at Black Hat earlier this month. The company released an advisory late Wednesday letting customers know that threat actors may use unpatched Exchange servers “to deploy ransomware or conduct other post-exploitation activities” and urging ...
- FBI releases alert about Hive ransomware after attack on hospital system in Ohio and West Virginia
August 26, 2021
The FBI has released an alert about the Hive ransomware after the group took down Memorial Health System last week. The alert explains that Hive is an affiliate-operated ransomware first seen in June that deploys “multiple mechanisms to compromise business networks, including phishing emails with malicious attachments to gain access and Remote Desktop Protocol to move ...
- US Media, Retailers Targeted by New SparklingGoblin APT
August 25, 2021
An emerging international cybergang is broadening its targets to include North American media firms, universities and one computer retailer. The advanced persistent threat (APT) group is new, according to researchers who dubbed it SparklingGoblin. Also new is a novel backdoor technique, called SideWalk, used by the APT to penetrate cybersecurity defenses. SparklingGoblin, according to ESET researchers ...
- Cisco Issues Critical Fixes for High-End Nexus Gear
August 25, 2021
Cisco Systems released six security patches tied to its high-end 9000 series networking gear ranging in importance from critical, high and medium severity. The most serious of the bugs patched by Cisco (rated 9.1 out of 10) could allow a remote and unauthenticated adversary to read or write arbitrary files on to an application protocol interface ...
- Critical F5 BIG-IP bug impacts customers in sensitive sectors
August 25, 2021
BIG-IP application services company F5 has fixed more than a dozen high-severity vulnerabilities in its networking device, one of them being elevated to critical severity under specific conditions. The issues are part of this month’s delivery of security updates, which addresses almost 30 vulnerabilities for multiple F5 devices.. Of the thirteen high-severity flaws that F5 fixed, one ...
- New Campaign Sees LokiBot Delivered Via Multiple Methods
August 25, 2021
Trend Micro researchers recently detected an aggressive malware distribution campaign delivering LokiBot via multiple techniques, including the exploitation of older vulnerabilities. This blog entry describes and provides an example of one the methods used in the campaign, as well as a short analysis of the payload. We found that one of the command-and-control (C&C) servers ...