Rule History

SID: 2003150 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 6 • Jul 30, 2010, 12:00 PM

Message:

ET ATTACK_RESPONSE Possible /etc/passwd via SMTP (BSD style)

Rule:

alert tcp $HOME_NET any -> $EXTERNAL_NET 25 (msg:"ET ATTACK_RESPONSE Possible /etc/passwd via SMTP (BSD style)"; flow:established,to_server; content:"root|3a|*|3a|0|3a|0|3a|"; nocase; content:"|3a|/root|3a|/bin"; nocase; classtype:successful-recon-limited; sid:2003150; rev:6; metadata:created_at 2010_07_30, confidence Medium, signature_severity Minor, updated_at 2019_07_26;)

Created:

Jul 30, 2010, 12:00 PM

Updated:

Jul 26, 2019, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-attack_response.rules