Rule History

SID: 2008230 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 3 • Jul 30, 2010, 12:00 PM

Message:

ET SCAN Behavioral Unusually fast outbound Telnet Connections, Potential Scan or Brute Force

Rule:

alert tcp $HOME_NET any -> $EXTERNAL_NET 23 (msg:"ET SCAN Behavioral Unusually fast outbound Telnet Connections, Potential Scan or Brute Force"; flow:to_server; flags:S,12; threshold:type both, track by_src, count 30, seconds 60; reference:url,www.rapid7.com/nexpose-faq-answer2.htm; classtype:misc-activity; sid:2008230; rev:3; metadata:created_at 2010_07_30, confidence Medium, signature_severity Informational, 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-scan.rules