Versions (3)
Version DetailsCurrent
Rev: 4 • Jul 30, 2010, 12:00 PMET POLICY SMTP Executable attachment
alert tcp $EXTERNAL_NET any -> $SMTP_SERVERS 25 (msg:"ET POLICY SMTP Executable attachment"; flow:established,to_server; content:"filename="; nocase; content:".exe"; nocase; distance:0; pcre:"/filename=\s*[^\n]+\.exe/i"; classtype:policy-violation; sid:2003325; rev:4; metadata:created_at 2010_07_30, confidence High, signature_severity Informational, updated_at 2019_07_26;)
Jul 30, 2010, 12:00 PM
Jul 26, 2019, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-policy.rules