alert http $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"ET DELETED SQLCheck Database Scan Detected"; flow:to_server,established; content:"%20FROM%20customers"; fast_pattern:only; content:"User-Agent|3a| Lynx/2.8.6rel.4 libwww-FM/2.14"; http_header; threshold:type threshold, track by_dst, count 10, seconds 20; reference:url,wiki.remote-exploit.org/backtrack/wiki/SQLcheck; classtype:attempted-recon; sid:2009478; rev:5; metadata:created_at 2010_07_30, signature_severity Unknown, updated_at 2019_07_26;)