ET MOBILE_MALWARE Operation Pawn Storm IOS_XAGENT Checkin

Query · suricata

flow:to_server,established;
http.uri;
pcre:"/^(?:(?:sear|wat)ch|results|close|find|open)\/\?[a-zA-Z]{2,8}=/";
http.header_names;
content:!"Referer|0d 0a|";
http.user_agent;
content:"XAgent/1."; depth:9; fast_pattern;
Raw source ET MOBILE_MALWARE Operation Pawn Storm IOS_XAGENT Checkin · Suricata
Esc
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 MOBILE_MALWARE Operation Pawn Storm IOS_XAGENT Checkin";
    flow:to_server,established;
    http.uri;
    pcre:"/^(?:(?:sear|wat)ch|results|close|find|open)\/\?[a-zA-Z]{2,8}=/";
    http.header_names;
    content:!"Referer|0d 0a|";
    http.user_agent;
    content:"XAgent/1."; depth:9; fast_pattern;
    reference:url,blog.trendmicro.com/trendlabs-security-intelligence/pawn-storm-update-ios-espionage-app-found/;
    classtype:trojan-activity;
    sid:2020363; rev:4;
    metadata:attack_target Mobile_Client, created_at 2015_02_05, signature_severity Major, updated_at 2020_05_15, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
)

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