THL Dual-RAT-Quasar-NjRAT NjRAT-XWorm Spoofed Mobile Safari User-Agent (Dead-Drop C2 Resolution Indicator)

SID: 3500147Rev: 2Enabled1 views
Filehunters-ledger.rules
CreatedJuly 13, 2026
UpdatedJuly 13, 2026
Classificationtrojan-activity
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"THL Dual-RAT-Quasar-NjRAT NjRAT-XWorm Spoofed Mobile Safari User-Agent (Dead-Drop C2 Resolution Indicator)"; flow:established,to_server; http.user_agent; content:"iPhone OS 11_4_1 like Mac OS X"; threshold:type limit,track by_src,count 1,seconds 3600; classtype:trojan-activity; sid:3500147; rev:2; metadata:author The_Hunters_Ledger, date 2025-12-06, reference https://the-hunters-ledger.com/hunting-detections/dual-rat-analysis-detections/;)

Metadata

authorThe_Hunters_Ledger
date2025-12-06
referencehttps://the-hunters-ledger.com/hunting-detections/dual-rat-analysis-detections/

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