ET ADWARE_PUP Win32/Hadsruda!bit Adware/PUA Installation Activity

Query · suricata

flow:to_server,established;
http.method;
content:"GET";
http.uri;
content:"?alpha=";
pcre:"/\?alpha=(?:[A-Za-z0-9/+]{4})*(?:[A-Za-z0-9/+]{2}==|[A-Za-z0-9/+]{3}=|[A-Za-z0-9/+]{4})/";
http.user_agent;
content:"NSIS_Inetc"; depth:10; fast_pattern;
Raw source ET ADWARE_PUP Win32/Hadsruda!bit Adware/PUA Installation 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 ADWARE_PUP Win32/Hadsruda!bit Adware/PUA Installation Activity";
    flow:to_server,established;
    http.method;
    content:"GET";
    http.uri;
    content:"?alpha=";
    pcre:"/\?alpha=(?:[A-Za-z0-9/+]{4})*(?:[A-Za-z0-9/+]{2}==|[A-Za-z0-9/+]{3}=|[A-Za-z0-9/+]{4})/";
    http.user_agent;
    content:"NSIS_Inetc"; depth:10; fast_pattern;
    reference:md5,6b58b3eb9bbb0f7297a2e36e615506d3;
    classtype:pup-activity;
    sid:2022850; rev:5;
    metadata:created_at 2016_06_02, confidence High, signature_severity Minor, updated_at 2020_08_31;
)

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