ET MALWARE APT/Donot Group Checkin Activity (GET)

Query · suricata

flow:established,to_server;
http.request_line;
content:"GET /access/fps_ips_cp_ifpcspf_ifis_p HTTP/1.1"; fast_pattern;
http.header_names;
content:!"Referer";
content:"|0d 0a|User-Agent|0d 0a|Host|0d 0a 0d 0a|";
Raw source ET MALWARE APT/Donot Group Checkin 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 APT/Donot Group Checkin Activity (GET)";
    flow:established,to_server;
    http.request_line;
    content:"GET /access/fps_ips_cp_ifpcspf_ifis_p HTTP/1.1"; fast_pattern;
    http.header_names;
    content:!"Referer";
    content:"|0d 0a|User-Agent|0d 0a|Host|0d 0a 0d 0a|";
    reference:md5,209050f85af2786248bd4d7ec0f5a808;
    reference:md5,7be9832a01b3004f02ff5bc0691d1700;
    reference:url,twitter.com/h2jazi/status/1476946007741108249;
    classtype:command-and-control;
    sid:2034879; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2022_01_10, deployment Perimeter, malware_family DonotGroup, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_01_10;
)

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