ET EXPLOIT Possible Qmail CVE-2014-6271 Mail From attempt

Query · suricata

flow:to_server,established;
content:"|28 29 20 7b|"; fast_pattern;
pcre:"/^mail\s*?from\s*?\x3a\s*?[^\r\n]*?\x28\x29\x20\x7b/mi";
Raw source ET EXPLOIT Possible Qmail CVE-2014-6271 Mail From 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 Qmail CVE-2014-6271 Mail From attempt";
    flow:to_server,established;
    content:"|28 29 20 7b|"; fast_pattern;
    pcre:"/^mail\s*?from\s*?\x3a\s*?[^\r\n]*?\x28\x29\x20\x7b/mi";
    reference:url,marc.info/?l=qmail&m=141183309314366&w=2;
    classtype:attempted-admin;
    sid:2019293; rev:3;
    metadata:created_at 2014_09_29, cve CVE_2014_6271, confidence Medium, signature_severity Major, tag CISA_KEV, updated_at 2019_10_08;
)

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