GPL SMTP RCPT TO overflow

Query · suricata

flow:to_server,established;
content:"rcpt to|3A|"; nocase;
content:!"|0a|"; within:300;
isdataat:300;
pcre:"/^RCPT TO\x3a\s[^\n]{300}/ism";
Raw source GPL SMTP RCPT TO overflow · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $EXTERNAL_NET any -> $SMTP_SERVERS 25 (
    msg:"GPL SMTP RCPT TO overflow";
    flow:to_server,established;
    content:"rcpt to|3A|"; nocase;
    content:!"|0a|"; within:300;
    isdataat:300;
    pcre:"/^RCPT TO\x3a\s[^\n]{300}/ism";
    reference:bugtraq,2283;
    reference:bugtraq,9696;
    reference:cve,2001-0260;
    classtype:attempted-admin;
    sid:2100654; rev:17;
    metadata:created_at 2010_09_23, cve CVE_2001_0260, signature_severity Unknown, updated_at 2019_07_26;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.