Malicious HarborWatch RAT Command and Control Beacon by User Agent (via proxy)

ATT&CK techniques

C2

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
- T1071.001Web Protocols
Exfiltration
Impact

What it detects

This rule detects outbound HTTP requests carrying the HarborWatchAgent user agent string used by the custom monitoring RAT delivered through a fake Amazon ClickFix lure. This hardcoded agent value is specific to the malware and should not appear in normal traffic.

Reporting behind it

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Malicious HarborWatch RAT Command and Control Beacon by User Agent (via proxy)

Pivot detection · T1071.001 · 9 related

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.

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