ET EXPLOIT Possible Postfix CVE-2014-6271 attempt

Query · suricata

flow:to_server,established;
content:"|28 29 20 7b|"; fast_pattern;
pcre:"/^[a-z-]+\s*?\x3a\s*?[^\r\n]*?\x28\x29\x20\x7b.*\x3b.*\x7d\s*\x3b(?!=[\r\n])/mi";
Raw source ET EXPLOIT Possible Postfix CVE-2014-6271 attempt · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp any any -> $HOME_NET [25,587] (
    msg:"ET EXPLOIT Possible Postfix CVE-2014-6271 attempt";
    flow:to_server,established;
    content:"|28 29 20 7b|"; fast_pattern;
    pcre:"/^[a-z-]+\s*?\x3a\s*?[^\r\n]*?\x28\x29\x20\x7b.*\x3b.*\x7d\s*\x3b(?!=[\r\n])/mi";
    reference:url,exploit-db.com/exploits/34896/;
    reference:cve,2014-6271;
    classtype:attempted-admin;
    sid:2019389; rev:5;
    metadata:created_at 2014_10_10, cve CVE_2014_6271, confidence Medium, signature_severity Major, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_10_08;
)

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