Dec 08, 2023NewsroomCyber Espionage / Cryptocurrency The North Korean threat actor known as Kimsuky has been observed targeting research institutes in South Korea as part of a spear-phishing campaign with the ultimate goal of distributing backdoors on compromised systems. "The threat actor ultimately uses a backdoor to steal information and execute commands," the AhnLab … [Read more...] about N. Korean Kimsuky Targeting South Korean Research Institutes with Backdoor Attacks
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Agent Racoon Backdoor Targets Organizations in Middle East, Africa, and U.S.
Dec 02, 2023Newsroom Organizations in the Middle East, Africa, and the U.S. have been targeted by an unknown threat actor to distribute a new backdoor called Agent Racoon. "This malware family is written using the .NET framework and leverages the domain name service (DNS) protocol to create a covert channel and provide different backdoor functionalities," Palo Alto Networks … [Read more...] about Agent Racoon Backdoor Targets Organizations in Middle East, Africa, and U.S.
Cisco Zero-Day Exploited to Implant Malicious Lua Backdoor on Thousands of Devices
Oct 21, 2023NewsroomZero-Day / Vulnerability Cisco has warned of a new zero-day flaw in IOS XE that has been actively exploited by an unknown threat actor to deploy a malicious Lua-based implant on susceptible devices. Tracked as CVE-2023-20273 (CVSS score: 7.2), the issue relates to a privilege escalation flaw in the web UI feature and is said to have been used alongside … [Read more...] about Cisco Zero-Day Exploited to Implant Malicious Lua Backdoor on Thousands of Devices
New Advanced Backdoor with Distinctive Malware Tactics
Sep 23, 2023THNCyber Espionage / Malware Cybersecurity researchers have discovered a previously undocumented advanced backdoor dubbed Deadglyph employed by a threat actor known as Stealth Falcon as part of a cyber espionage campaign. "Deadglyph's architecture is unusual as it consists of cooperating components – one a native x64 binary, the other a .NET assembly," ESET said … [Read more...] about New Advanced Backdoor with Distinctive Malware Tactics
ShroudedSnooper’s HTTPSnoop Backdoor Targets Middle East Telecom Companies
Sep 19, 2023THNMalware / Cyber Threat Telecommunication service providers in the Middle East are the target of a new intrusion set dubbed ShroudedSnooper that employs a stealthy backdoor called HTTPSnoop. "HTTPSnoop is a simple, yet effective, backdoor that consists of novel techniques to interface with Windows HTTP kernel drivers and devices to listen to incoming requests … [Read more...] about ShroudedSnooper’s HTTPSnoop Backdoor Targets Middle East Telecom Companies
Turla’s New DeliveryCheck Backdoor Breaches Ukrainian Defense Sector
Jul 20, 2023THNCyber Attack / Malware The defense sector in Ukraine and Eastern Europe has been targeted by a novel .NET-based backdoor called DeliveryCheck (aka CAPIBAR or GAMEDAY) that's capable of delivering next-stage payloads. The Microsoft threat intelligence team, in collaboration with the Computer Emergency Response Team of Ukraine (CERT-UA), attributed the attacks to … [Read more...] about Turla’s New DeliveryCheck Backdoor Breaches Ukrainian Defense Sector
Chinese Hacker Group ‘Flea’ Targets American Ministries with Graphican Backdoor
Jun 21, 2023Ravie LakshmananCyber Threat / APT Foreign affairs ministries in the Americas have been targeted by a Chinese state-sponsored actor named Flea as part of a recent campaign that spanned from late 2022 to early 2023. The cyber attacks, per Broadcom's Symantec, involved a new backdoor codenamed Graphican. Some of the other targets included a government finance … [Read more...] about Chinese Hacker Group ‘Flea’ Targets American Ministries with Graphican Backdoor
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 SPECTRALVIPER Backdoor Targeting Vietnamese Public Companies
Jun 10, 2023Ravie LakshmananCyber Attack / Malware Vietnamese public companies have been targeted as part of an ongoing campaign that deploys a novel backdoor called SPECTRALVIPER. "SPECTRALVIPER is a heavily obfuscated, previously undisclosed, x64 backdoor that brings PE loading and injection, file upload and download, file and directory manipulation, and token impersonation … [Read more...] about New SPECTRALVIPER Backdoor Targeting Vietnamese Public Companies
Researchers Uncover Powerful Backdoor and Custom Implant in Year-Long Cyber Campaign
May 15, 2023Ravie LakshmananCyber Threat / Malware Government, aviation, education, and telecom sectors located in South and Southeast Asia have come under the radar of a new hacking group as part of a highly-targeted campaign that commenced in mid-2022 and continued into the first quarter of 2023. Symantec, by Broadcom Software, is tracking the activity under its … [Read more...] about Researchers Uncover Powerful Backdoor and Custom Implant in Year-Long Cyber Campaign