ET MALWARE Lazarus APT Related Activity (GET)

Query · suricata

flow:established,to_server;
http.request_line;
content:"GET /marrketend.png"; fast_pattern;
http.user_agent;
content:"Mozilla/5.0 (Windows NT 10.0|3b 20|Win64|3b 20|x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4044.74 Safari/537.36"; bsize:114;
http.header;
content:!"Referer";
Raw source ET MALWARE Lazarus APT Related Activity (GET) · 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 MALWARE Lazarus APT Related Activity (GET)";
    flow:established,to_server;
    http.request_line;
    content:"GET /marrketend.png"; fast_pattern;
    http.user_agent;
    content:"Mozilla/5.0 (Windows NT 10.0|3b 20|Win64|3b 20|x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4044.74 Safari/537.36"; bsize:114;
    http.header;
    content:!"Referer";
    reference:md5,0dab8ad32f7ed4703b9217837c91cca7;
    reference:url,twitter.com/h2jazi/status/1555205042331947011;
    classtype:trojan-activity;
    sid:2037957; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2022_08_08, deployment Perimeter, deployment SSLDecrypt, malware_family Lazarus, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_08_08;
)

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