ET MALWARE Fake Software Download Redirect Leading to Malware M2

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/?arch=";
content:"&s="; distance:0;
content:"&q="; distance:0;
http.request_body;
content:"continuebtn="; startswith; fast_pattern;
http.content_type;
content:"application/x-www-form-urlencoded"; bsize:33;
Raw source ET MALWARE Fake Software Download Redirect Leading to Malware M2 · 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 Fake Software Download Redirect Leading to Malware M2";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/?arch=";
    content:"&s="; distance:0;
    content:"&q="; distance:0;
    http.request_body;
    content:"continuebtn="; startswith; fast_pattern;
    http.content_type;
    content:"application/x-www-form-urlencoded"; bsize:33;
    reference:md5,9284526d864c785b1d6bedd7830e8c19;
    reference:url,news.sophos.com/en-us/2021/09/01/fake-pirated-software-sites-serve-up-malware-droppers-as-a-service/;
    classtype:trojan-activity;
    sid:2033954; rev:2;
    metadata:created_at 2021_09_15, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_09_15;
)

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