Rule History

alert tcp $EXTERNAL_NET any -> $HOME_NET [22,23,80,443,10000] (msg:"ET DOS Possible Cisco PIX/ASA Denial Of Service Attempt (Hping Created Packets)"; flow:to_server; content:"|58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58|"; depth:40; content:"|58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58|"; distance:300; isdataat:300,relative; threshold: type threshold, track by_src, count 60, seconds 80; reference:url,www.securityfocus.com/bid/34429/info; reference:url,www.securityfocus.com/bid/34429/exploit; reference:url,www.cisco.com/en/US/products/products_applied_mitigation_bulletin09186a0080a99518.html; reference:cve,2009-1157; classtype:attempted-dos; sid:2010624; rev:3; metadata:created_at 2010_07_30, confidence Medium, signature_severity Major, updated_at 2019_07_26;)