ET MALWARE Gamaredon Related VBS Activity (GET)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/help_"; fast_pattern;
pcre:"/^[0-3]{2}_[0-2]{2}\.php$/R";
http.header_names;
content:!"Referer";
content:"|0d 0a|Accept-Language|0d 0a|Accept-Encoding|0d 0a|";
Raw source ET MALWARE Gamaredon Related VBS Activity (GET) · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Gamaredon Related VBS Activity (GET)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/help_"; fast_pattern;
    pcre:"/^[0-3]{2}_[0-2]{2}\.php$/R";
    http.header_names;
    content:!"Referer";
    content:"|0d 0a|Accept-Language|0d 0a|Accept-Encoding|0d 0a|";
    reference:md5,2e70b2b0cf4e2d3ac2ed6d1ea967f18e;
    reference:url,www.trendmicro.com/en_us/research/20/d/gamaredon-apt-group-use-covid-19-lure-in-campaigns.html;
    classtype:trojan-activity;
    sid:2035039; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2022_02_02, deployment Perimeter, malware_family Gamaredon, performance_impact Moderate, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_02_02;
)

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