Rule History

SID: 2002973 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 5 • Jul 30, 2010, 12:00 PM

Message:

ET SCAN Behavioral Unusual Port 3127 traffic, Potential Scan or Backdoor

Rule:

alert tcp $HOME_NET any -> $EXTERNAL_NET 3127 (msg:"ET SCAN Behavioral Unusual Port 3127 traffic, Potential Scan or Backdoor"; flow:to_server; flags:S,12; threshold:type both, track by_src, count 10 , seconds 60; classtype:misc-activity; sid:2002973; rev:5; metadata:created_at 2010_07_30, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, 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:

Dec 31, 2025, 6:34 PM

Filename:

rules/emerging-scan.rules