Jan 14, 2023Ravie LakshmananServer Security / Patch Management A majority of internet-exposed Cacti servers have not been patched against a recently patched critical security vulnerability that has come under active exploitation in the wild. That's according to attack surface management platform Censys, which found only 26 out of a total of 6,427 servers to be running a … [Read more...] about Cacti Servers Under Attack as Majority Fail to Patch Critical Vulnerability
Servers
Thousands of Citrix Servers Still Unpatched for Critical Vulnerabilities
Dec 29, 2022Ravie LakshmananServer Security / Citrix Thousands of Citrix Application Delivery Controller (ADC) and Gateway endpoints remain vulnerable to two critical security flaws disclosed by the company over the last few months. The issues in question are CVE-2022-27510 and CVE-2022-27518 (CVSS scores: 9.8), which were addressed by the virtualization services provider on … [Read more...] about Thousands of Citrix Servers Still Unpatched for Critical Vulnerabilities
New IoT RapperBot Malware Targeting Linux Servers via SSH Brute-Forcing Attack
A new IoT botnet malware dubbed RapperBot has been observed rapidly evolving its capabilities since it was first discovered in mid-June 2022. "This family borrows heavily from the original Mirai source code, but what separates it from other IoT malware families is its built-in capability to brute force credentials and gain access to SSH servers instead of Telnet as implemented … [Read more...] about New IoT RapperBot Malware Targeting Linux Servers via SSH Brute-Forcing Attack
Hackers Targeting VoIP Servers By Exploiting Digium Phone Software
VoIP phones using Digium's software have been targeted to drop a web shell on their servers as part of an attack campaign designed to exfiltrate data by downloading and executing additional payloads. "The malware installs multilayer obfuscated PHP backdoors to the web server's file system, downloads new payloads for execution, and schedules recurring tasks to re-infect the host … [Read more...] about Hackers Targeting VoIP Servers By Exploiting Digium Phone Software
New ToddyCat Hacker Group on Experts’ Radar After Targeting MS Exchange Servers
An advanced persistent threat (APT) actor codenamed ToddyCat has been linked to a string of attacks aimed at high-profile entities in Europe and Asia since at least December 2020. The relatively new adversarial collective is said to have commenced its operations by targeting Microsoft Exchange servers in Taiwan and Vietnam using an unknown exploit to deploy the China Chopper … [Read more...] about New ToddyCat Hacker Group on Experts’ Radar After Targeting MS Exchange Servers
A New Golang-based Peer-To-Peer Botnet Targeting Linux Servers
A new Golang-based peer-to-peer (P2P) botnet has been spotted actively targeting Linux servers in the education sector since its emergence in March 2022. Dubbed Panchan by Akamai Security Research, the malware "utilizes its built-in concurrency features to maximize spreadability and execute malware modules" and "harvests SSH keys to perform lateral movement." The … [Read more...] about A New Golang-based Peer-To-Peer Botnet Targeting Linux Servers
Critical ‘Pantsdown’ BMC Vulnerability Affects QCT Servers Used in Data Centers
Quanta Cloud Technology (QCT) servers have been identified as vulnerable to the severe "Pantsdown" Baseboard Management Controller (BMC) flaw, according to new research published today. "An attacker running code on a vulnerable QCT server would be able to 'hop' from the server host to the BMC and move their attacks to the server management network, possibly continue and obtain … [Read more...] about Critical ‘Pantsdown’ BMC Vulnerability Affects QCT Servers Used in Data Centers
Hackers Hijack Email Reply Chains on Unpatched Exchange Servers to Spread Malware
A new email phishing campaign has been spotted leveraging the tactic of conversation hijacking to deliver the IcedID info-stealing malware onto infected machines by making use of unpatched and publicly-exposed Microsoft Exchange servers. "The emails use a social engineering technique of conversation hijacking (also known as thread hijacking)," Israeli company Intezer said in a … [Read more...] about Hackers Hijack Email Reply Chains on Unpatched Exchange Servers to Spread Malware
Google Details Two Zero-Day Bugs Reported in Zoom Clients and MMR Servers
An exploration of zero-click attack surface for the popular video conferencing solution Zoom has yielded two previously undisclosed security vulnerabilities that could have been exploited to crash the service, execute malicious code, and even leak arbitrary areas of its memory. Natalie Silvanovich of Google Project Zero, who discovered and reported the two flaws last year, said … [Read more...] about Google Details Two Zero-Day Bugs Reported in Zoom Clients and MMR Servers
New iLOBleed Rootkit Targeting HP Enterprise Servers with Data Wiping Attacks
A previously unknown rootkit has been found setting its sights on Hewlett-Packard Enterprise's Integrated Lights-Out (iLO) server management technology to carry out in-the-wild attacks that tamper with the firmware modules and completely wipe data off the infected systems. The discovery, which is the first instance of real-world malware in iLO firmware, was documented by … [Read more...] about New iLOBleed Rootkit Targeting HP Enterprise Servers with Data Wiping Attacks