alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET USER_AGENTS Avzhan DDoS? Bot User-Agent MyIE?"; flow:established,to_server;content:"User-Agent|3a|Mozilla"; http_header; content:"|3b| MyIE? "; fast_pattern; http_header; within:100; reference:url,asert.arbornetworks.com/2010/09/another-family-of-ddos-bots-avzhan/; reference:url,blog.fireeye.com/research/2010/10/avzhan-botnet-the-story-of-evolution.html; classtype:trojan-activity; sid:2013258; rev:8;)

Added 2012-08-10 21:04:15 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET USER_AGENTS Avzhan DDoS? Bot User-Agent MyIE?"; flow:established,to_server; content:"User-Agent|3a| "; http_header; content:"|3b| MyIE? "; fast_pattern; http_header; within:100; reference:url,asert.arbornetworks.com/2010/09/another-family-of-ddos-bots-avzhan/; reference:url,blog.fireeye.com/research/2010/10/avzhan-botnet-the-story-of-evolution.html; classtype:trojan-activity; sid:2013258; rev:6;)

Added 2011-10-12 19:36:27 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET USER_AGENTS Avzhan DDoS? Bot User-Agent MyIE?"; flow:established,to_server; content:"User-Agent|3a| "; http_header; content:"|3b| MyIE? "; fast_pattern; http_header; within:100; classtype:trojan-activity; reference:url,asert.arbornetworks.com/2010/09/another-family-of-ddos-bots-avzhan/; reference:url,blog.fireeye.com/research/2010/10/avzhan-botnet-the-story-of-evolution.html; sid:2013258; rev:6;)

Added 2011-07-13 15:18:50 UTC