ET MALWARE Possible Pegasus/Trident Related HTTP Beacon 1

Query · suricata

flow:established,to_server;
http.uri;
content:".html&nocache=";
content:!"&"; distance:0;
Raw source ET MALWARE Possible Pegasus/Trident Related HTTP Beacon 1 · Suricata
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Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Possible Pegasus/Trident Related HTTP Beacon 1";
    flow:established,to_server;
    http.uri;
    content:".html&nocache=";
    content:!"&"; distance:0;
    reference:url,citizenlab.org/2016/08/million-dollar-dissident-iphone-zero-day-nso-group-uae/;
    classtype:trojan-activity;
    sid:2023131; rev:4;
    metadata:affected_product iOS, attack_target Client_Endpoint, created_at 2016_08_26, deployment Perimeter, malware_family Pegasus_Trident, malware_family NSO, confidence Medium, signature_severity Major, tag c2, updated_at 2020_07_27, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
)

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