ET MALWARE Python/PBot Browser Hijacker Activity

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:".js?streamId="; fast_pattern;
content:"&isAdvpp="; distance:0;
content:".js?streamId=";
pcre:"/^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})&isAdvpp=(?:true|false)$/Rsi";
http.header;
content:"|0d 0a|Origin|3a 20|http";
Raw source ET MALWARE Python/PBot Browser Hijacker Activity · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Python/PBot Browser Hijacker Activity";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:".js?streamId="; fast_pattern;
    content:"&isAdvpp="; distance:0;
    content:".js?streamId=";
    pcre:"/^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})&isAdvpp=(?:true|false)$/Rsi";
    http.header;
    content:"|0d 0a|Origin|3a 20|http";
    reference:md5,f741a2febf0630407ba17945362f3bce;
    classtype:trojan-activity;
    sid:2031148; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_10_30, deployment Perimeter, confidence High, signature_severity Major, updated_at 2020_10_30;
)

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