ET EXPLOIT Zimbra postjournal RCE Attempt Inbound (CVE-2024-45519)

Query · suricata

flow:established,to_server;
content:"|0d 0a|RCPT|20|TO|3a 20|"; fast_pattern;
content:"|24 28|"; within:200;
pcre:"/^RCPT\x20TO\x3a\x20.*?\x24\x28/mi";
target:dest_ip;
Raw source ET EXPLOIT Zimbra postjournal RCE Attempt Inbound (CVE-2024-45519) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert smtp any any -> [$HOME_NET,$SMTP_SERVERS] any (
    msg:"ET EXPLOIT Zimbra postjournal RCE Attempt Inbound (CVE-2024-45519)";
    flow:established,to_server;
    content:"|0d 0a|RCPT|20|TO|3a 20|"; fast_pattern;
    content:"|24 28|"; within:200;
    pcre:"/^RCPT\x20TO\x3a\x20.*?\x24\x28/mi";
    reference:cve,2024-45519;
    classtype:attempted-admin;
    sid:2056356; rev:2;
    metadata:created_at 2024_09_30, cve CVE_2024_45519, confidence High, signature_severity Major, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_11_26, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)

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