ET MOBILE_MALWARE Suspected Android Youzicheng Proxy Activity

Query · suricata

flow:established,to_server;
urilen:17;
http.method;
content:"POST";
http.uri;
content:"/api/socksLog/add";
http.user_agent;
content:"|20|Android|20|";
http.request_body;
content:"|7b 22|channelid|22 3a 22|"; startswith; nocase; fast_pattern;
content:"|2c 22|content|22 3a 22|"; distance:0;
content:"|2c 22|deviceid|22 3a 22|"; distance:0; nocase;
http.header_names;
content:!"Referer|0d 0a|";
Raw source ET MOBILE_MALWARE Suspected Android Youzicheng Proxy Activity · 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 Suspected Android Youzicheng Proxy Activity";
    flow:established,to_server;
    urilen:17;
    http.method;
    content:"POST";
    http.uri;
    content:"/api/socksLog/add";
    http.user_agent;
    content:"|20|Android|20|";
    http.request_body;
    content:"|7b 22|channelid|22 3a 22|"; startswith; nocase; fast_pattern;
    content:"|2c 22|content|22 3a 22|"; distance:0;
    content:"|2c 22|deviceid|22 3a 22|"; distance:0; nocase;
    http.header_names;
    content:!"Referer|0d 0a|";
    reference:md5,c907d74ace51cec7cb53b0c8720063e1;
    classtype:trojan-activity;
    sid:2029635; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2020_03_13, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_03_13;
)

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