Latest cybersecurity reporting from selected sources.

Threat actors associated with the DragonForce ransomware have been observed using a custom Go-based remote access trojan (RAT) called Backdoor.Turn to conceal command-and-control (C2) traffic inside Microsoft Teams relay infrastructure

DragonForce hid for months by routing malware traffic through Microsoft Teams infrastructure, masking C2 activity and evading network detection. DragonForce ransomware operators hit a major U.S. services firm and stayed hidden for one to two months by routing their command-and-control traffic through Microsoft’s own Teams relay servers. Symantec’s threat hunters tracked the custom backdoor they […]

Authorities from the United States, Germany, and Canada have taken down Command and Control (C2) infrastructure used by the Aisuru, KimWolf, JackSkid, and Mossad botnets to infect Internet of Things (IoT) devices. [...]

The U.S. Department of Justice (DoJ) on Thursday announced the disruption of command-and-control (C2) infrastructure used by several Internet of Things (IoT) botnets like AISURU, Kimwolf, JackSkid, and Mossad as part of a court-authorized law enforcement operation

Lumen Spotted More Than 500 Command and Control Servers Since OctoberA major U.S. internet service provider said it's blocked incoming traffic to more than 550 command and control servers botnets identified over the past four months that administer the Kimwolf and Aisuru botnets.

Cybersecurity researchers have disclosed details of a cyber attack targeting a major U.S.-based real-estate company that involved the use of a nascent command-and-control (C2) and red teaming framework known as Tuoni

Cybersecurity agencies from Australia, Canada, New Zealand, and the United States have published a joint advisory about the risks associated with a technique called fast flux that has been adopted by threat actors to obscure a command-and-control (C2) channel

A new malware called FinalDraft has been using Outlook email drafts for command-and-control communication in attacks against a ministry in a South American country. [...]

Malware Used a Hardcoded IP Address for Command and ControlU.S. federal law enforcement said Tuesday it deleted more than 4,000 instances of PlugX malware used in a Chinese cyberespionage operation after a European partner gained control of the malware's command and control server. PlugX spreads through infected USB drives.

Cybersecurity researchers have uncovered a novel malware campaign that leverages Google Sheets as a command-and-control (C2) mechanism

Government entities in Asia-Pacific and North America are being targeted by an unknown threat actor with an off-the-shelf malware downloader known as PureCrypter to deliver an array of information stealers and ransomware

The U.S. Cybersecurity and Infrastructure Security (CISA) agency has announced RedEye, an open-source analytic tool for operators to visualize and report command and control (C2) activity. [...]