ET ADWARE_PUP Win32.Perinet CnC Checkin

Query · suricata

flow:to_server,established;
http.method;
content:"POST";
http.uri;
content:"/ceb.aspx"; endswith;
http.user_agent;
content:"Mozila"; fast_pattern; bsize:6;
http.header_names;
content:!"Referer";
Raw source ET ADWARE_PUP Win32.Perinet CnC Checkin · 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 ADWARE_PUP Win32.Perinet CnC Checkin";
    flow:to_server,established;
    http.method;
    content:"POST";
    http.uri;
    content:"/ceb.aspx"; endswith;
    http.user_agent;
    content:"Mozila"; fast_pattern; bsize:6;
    http.header_names;
    content:!"Referer";
    reference:md5,c1c94bd5effc12455d7d0fe22e29feb5;
    reference:url,www.microsoft.com/en-us/wdsi/threats/malware-encyclopedia-description?Name=PUA:Win32/Perion;
    classtype:pup-activity;
    sid:2034175; rev:1;
    metadata:created_at 2021_10_12, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_10_12;
)

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