ET MALWARE Maldoc Checkin Activity (GET)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/Apple/script.php?a="; fast_pattern; startswith;
http.user_agent;
content:"Mozilla/3.0|20 28|compatible|3b 20|Indy|20|Library|29|"; bsize:38;
http.header_names;
content:!"Referer";
Raw source ET MALWARE Maldoc Checkin 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 Maldoc Checkin Activity (GET)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/Apple/script.php?a="; fast_pattern; startswith;
    http.user_agent;
    content:"Mozilla/3.0|20 28|compatible|3b 20|Indy|20|Library|29|"; bsize:38;
    http.header_names;
    content:!"Referer";
    reference:url,twitter.com/Timele9527/status/1435495701329317895;
    reference:md5,28ffba0b074218b0c9ff0360d8791bfd;
    classtype:trojan-activity;
    sid:2033915; rev:1;
    metadata:created_at 2021_09_08, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_09_08;
)

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