Versions (3)
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Rev: 9 • Jan 28, 2012, 12:00 PMET DOS High Orbit Ion Cannon (HOIC) Attack Inbound Generic Detection Double Spaced UA
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DOS High Orbit Ion Cannon (HOIC) Attack Inbound Generic Detection Double Spaced UA"; flow:established,to_server; http.header.raw; content:"User-Agent|3a 20 20|"; fast_pattern; threshold:type both, track by_src, count 225, seconds 60; reference:url,blog.spiderlabs.com/2012/01/hoic-ddos-analysis-and-detection.html; classtype:attempted-dos; sid:2014153; rev:9; metadata:created_at 2012_01_28, confidence Medium, signature_severity Major, updated_at 2024_03_11;)
Jan 28, 2012, 12:00 PM
Mar 11, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-dos.rules