ET MALWARE SideCopy APT Related Activity (GET)

Query · suricata

flow:established,to_server;
http.request_line;
content:"GET /ab.vbs HTTP/1.1"; fast_pattern;
http.host;
pcre:"/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/";
http.user_agent;
content:"powershell/"; nocase;
http.header_names;
content:!"Referer";
Raw source ET MALWARE SideCopy APT Related 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE SideCopy APT Related Activity (GET)";
    flow:established,to_server;
    http.request_line;
    content:"GET /ab.vbs HTTP/1.1"; fast_pattern;
    http.host;
    pcre:"/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/";
    http.user_agent;
    content:"powershell/"; nocase;
    http.header_names;
    content:!"Referer";
    reference:url,twitter.com/h2jazi/status/1469399194435735553;
    reference:md5,64fff1f62c8771e2f558e5cb8694326f;
    classtype:trojan-activity;
    sid:2034680; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2021_12_13, deployment Perimeter, malware_family SideCopy, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_12_13;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.