ET MALWARE OSX/ZuRu Activity (POST)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/u.php?id="; startswith; fast_pattern;
http.user_agent;
content:"curl/"; startswith;
http.host;
pcre:"/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/";
Raw source ET MALWARE OSX/ZuRu Activity (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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE OSX/ZuRu Activity (POST)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/u.php?id="; startswith; fast_pattern;
    http.user_agent;
    content:"curl/"; startswith;
    http.host;
    pcre:"/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/";
    reference:url,objective-see.com/blog/blog_0x66.html;
    reference:md5,2786ebc3b917866d30e622325fc6f5f3;
    classtype:trojan-activity;
    sid:2033965; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2021_09_16, deployment Perimeter, malware_family OSX_ZuRu, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_09_16;
)

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