THL Arsenal-237 XWorm AgentSec Authentication Secret Pattern (C2 Handshake Indicator)

SID: 3500151Rev: 1Enabled2 views
Filehunters-ledger.rules
CreatedJuly 16, 2026
UpdatedJuly 16, 2026
Classificationtrojan-activity
alert tcp $HOME_NET any -> any any (msg:"THL Arsenal-237 XWorm AgentSec Authentication Secret Pattern (C2 Handshake Indicator)"; flow:to_server,established; content:"AgentSec_"; nocase; pcre:"/AgentSec_[0-9A-Za-z]{40,50}/i"; threshold:type limit,track by_src,count 1,seconds 3600; classtype:trojan-activity; sid:3500151; rev:1; metadata:author The_Hunters_Ledger, date 2026-01-12, reference https://the-hunters-ledger.com/hunting-detections/agent-xworm-exe-detections/;)

Metadata

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

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