Rule History

SID: 2008861 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 6 • Jul 30, 2010, 12:00 PM

Message:

ET TELNET External Telnet Login Prompt from Cisco Device

Rule:

alert tcp $HOME_NET 23 -> $EXTERNAL_NET any (msg:"ET TELNET External Telnet Login Prompt from Cisco Device"; flow:from_server,established; pcre:"/^(\r\n)*/"; content:"User Access Verification"; within:24; classtype:attempted-admin; sid:2008861; rev:6; metadata:created_at 2010_07_30, 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-telnet.rules