THL FleetAgentFUD X-Agent-Secret WebSocket Authentication Header (Custom C2 Protocol Indicator)

SID: 3500154Rev: 1Enabled2 views
Filehunters-ledger.rules
CreatedJuly 16, 2026
UpdatedJuly 16, 2026
Classificationtrojan-activity
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"THL FleetAgentFUD X-Agent-Secret WebSocket Authentication Header (Custom C2 Protocol Indicator)"; flow:established,to_server; http.header_names; content:"X-Agent-Secret"; classtype:trojan-activity; sid:3500154; rev:1; metadata:author The_Hunters_Ledger, date 2026-01-12, reference https://the-hunters-ledger.com/hunting-detections/fleetagentfud-exe-detections/;)

Metadata

authorThe_Hunters_Ledger
date2026-01-12
referencehttps://the-hunters-ledger.com/hunting-detections/fleetagentfud-exe-detections/

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