Jan 20, 2025Ravie LakshmananNetwork Security / Vulnerability New research has uncovered security vulnerabilities in multiple tunneling protocols that could allow attackers to perform a wide range of attacks. "Internet hosts that accept tunneling packets without verifying the sender's identity can be hijacked to perform anonymous attacks and provide access to their networks," … [Read more...] about Unsecured Tunneling Protocols Expose 4.2 Million Hosts, Including VPNs and Routers
Tunneling
ChamelDoH: New Linux Backdoor Utilizing DNS-over-HTTPS Tunneling for Covert CnC
Jun 16, 2023Ravie LakshmananEndpoint Security / Network Security The threat actor known as ChamelGang has been observed using a previously undocumented implant to backdoor Linux systems, marking a new expansion of the threat actor's capabilities. The malware, dubbed ChamelDoH by Stairwell, is a C++-based tool for communicating via DNS-over-HTTPS (DoH) tunneling. ChamelGang … [Read more...] about ChamelDoH: New Linux Backdoor Utilizing DNS-over-HTTPS Tunneling for Covert CnC
New Pingback Malware Using ICMP Tunneling to Evade C&C Detection
Researchers on Tuesday disclosed a novel malware that uses a variety of tricks to stay under the radar and evade detection, while stealthily capable of executing arbitrary commands on infected systems. Called 'Pingback,' the Windows malware leverages Internet Control Message Protocol (ICMP) tunneling for covert bot communications, allowing the adversary to utilize ICMP packets … [Read more...] about New Pingback Malware Using ICMP Tunneling to Evade C&C Detection