Versions (3)
Version DetailsCurrent
Rev: 4 • Jul 30, 2010, 12:00 PMET DELETED Possible Slowloris Tool HTTP/Proxy Denial Of Service Attempt
alert tcp $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"ET DELETED Possible Slowloris Tool HTTP/Proxy Denial Of Service Attempt"; flow:to_server,established; content:"GET /"; depth:5; content:"User-Agent|3a| Mozilla/4.0 (compatible|3b| MSIE 7.0|3b| Windows NT 5.1|3b| Trident/4.0"; http_header; threshold:type threshold, track by_src, count 100, seconds 30; reference:url,isc.sans.org/diary.html?storyid=6601; reference:url,www.packetstormsecurity.com/filedesc/slowloris.pl.txt.html; classtype:attempted-dos; sid:2009413; rev:4; metadata:created_at 2010_07_30, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)
Jul 30, 2010, 12:00 PM
Jul 26, 2019, 12:00 PM
Sep 21, 2024, 3:00 AM
Nov 27, 2025, 9:34 PM
rules/emerging-deleted.rules