ET MALWARE VersaMem Webshell Authentication Attempt M3

Query · suricata

flow:established,to_server;
http.header_names;
content:"|0d 0a|Versa-Auth|0d 0a|"; fast_pattern;
target:dest_ip;
Raw source ET MALWARE VersaMem Webshell Authentication Attempt M3 · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE VersaMem Webshell Authentication Attempt M3";
    flow:established,to_server;
    http.header_names;
    content:"|0d 0a|Versa-Auth|0d 0a|"; fast_pattern;
    reference:url,blog.lumen.com/taking-the-crossroads-the-versa-director-zero-day-exploitation/;
    classtype:trojan-activity;
    sid:2055538; rev:1;
    metadata:attack_target Server, tls_state TLSDecrypt, created_at 2024_08_27, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_08_27;
    target:dest_ip;
)

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