Coverage of remote access trojans examines malware controlling compromised devices, including incidents, analysis, infrastructure, disruption, and defenses.
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Background for this topic.
A remote access trojan (RAT) is malware that gives an unauthorized operator remote control over an infected device. Depending on its design, it may execute commands, browse or copy files, log keystrokes, capture screens, or use a microphone or camera. RATs commonly communicate with attacker-controlled command-and-control infrastructure; capabilities and persistence vary, so reporting should identify the specific family or tool rather than assume every RAT has the same functions.
The main concerns are covert access, exposure of sensitive data, and use of the host to deploy additional malware or alter systems. Defenders should monitor endpoint processes and network behavior, restrict unnecessary outbound connections, keep software patched, and use endpoint controls that can detect unusual remote-control activity. If a RAT is suspected, isolate the device, preserve relevant logs and malware samples, investigate related accounts and hosts, and rotate credentials after containment; blocking one server alone may not remove persistence.
A sophisticated fileless malware campaign has been observed using legitimate tools to deliver AsyncRAT executed in memory
Cybersecurity researchers have disclosed details of a new campaign that leverages ConnectWise ScreenConnect, a legitimate Remote Monitoring and Management (RMM) software, to deliver a fleshless loader that drops a remote access trojan (RAT) called AsyncRAT to steal sensitive data from compromised hosts
Cybersecurity researchers have discovered two new malware families, including a modular Apple macOS backdoor called CHILLYHELL and a Go-based remote access trojan (RAT) named ZynorRAT that can target both Windows and Linux systems
A new Android malware called RatOn evolved from a basic tool capable of conducting Near Field Communication (NFC) attacks to a sophisticated remote access trojan with Automated Transfer System (ATS) capabilities to conduct device fraud
Cybersecurity researchers have disclosed details of a phishing campaign that delivers a stealthy banking malware-turned-remote access trojan called MostereRAT