Rule History

SID: 2017615 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 6 • Oct 18, 2013, 12:00 PM

Message:

ET SCAN NETWORK Outgoing Masscan detected

Rule:

alert http $HOME_NET any -> any any (msg:"ET SCAN NETWORK Outgoing Masscan detected"; flow:established,to_server; http.user_agent; content:"masscan/"; depth:8; reference:url,blog.erratasec.com/2013/10/that-dlink-bug-masscan.html; reference:url,blog.erratasec.com/2013/09/masscan-entire-internet-in-3-minutes.html; classtype:network-scan; sid:2017615; rev:6; metadata:created_at 2013_10_18, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_27;)

Created:

Oct 18, 2013, 12:00 PM

Updated:

Apr 27, 2020, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Oct 27, 2025, 10:34 PM

Filename:

rules/emerging-scan.rules