ET MALWARE BlueNoroff APT Related Activity M1 (POST)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:!"|2e|";
http.user_agent;
content:!"nbp "; startswith; nocase;
content:"|20 28|unknown version|29 20|"; fast_pattern;
content:"Darwin/";
http.header_names;
content:!"Referer";
http.content_type;
content:"application/json"; bsize:16;
target:src_ip;
Raw source ET MALWARE BlueNoroff APT Related Activity M1 (POST) · 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 BlueNoroff APT Related Activity M1 (POST)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:!"|2e|";
    http.user_agent;
    content:!"nbp "; startswith; nocase;
    content:"|20 28|unknown version|29 20|"; fast_pattern;
    content:"Darwin/";
    http.header_names;
    content:!"Referer";
    http.content_type;
    content:"application/json"; bsize:16;
    reference:md5,9294648d744703cfa0456ec74d014fe4;
    reference:md5,a446402c1de5dfddd50b77a95fcfc671;
    reference:url,www.jamf.com/blog/bluenoroff-strikes-again-with-new-macos-malware/;
    classtype:trojan-activity;
    sid:2049882; rev:2;
    metadata:attack_target Client_Endpoint, created_at 2024_01_02, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_01_29;
    target:src_ip;
)

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