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MediumSplunk security contentSteven Dick +4

Remcos client registry install entry

The following analytic detects the presence of a registry key associated with the Remcos RAT agent on a host. It leverages data from the Endpoint.Processes and Endpoint.Registry data models in Splunk, focusing on…

Description

The following analytic detects the presence of a registry key associated with the Remcos RAT agent on a host. It leverages data from the Endpoint.Processes and Endpoint.Registry data models in Splunk, focusing on instances where the "license" key is found in the "Software\Remcos" path. This behavior is significant as it indicates potential compromise by the Remcos RAT, a remote access Trojan used for unauthorized access and data exfiltration. If confirmed malicious, the attacker could gain control over the system, steal sensitive information, or use the compromised host for further attacks. Immediate investigation and remediation are required.

Detection logic

Detection requirements

Platform
Windows

The rule states no platform. This is derived from the ATT&CK technique it maps to.

Log source category
sysmon_eventid_12sysmon_eventid_13

Known benign triggers

  • No false positives have been identified at this time.

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