alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN Suspicious User-Agent (App4)"; flow:to_server,established; content:"User-Agent|3a| App"; http_header; content:!"Host|3a| liveupdate.symantecliveupdate.com|0d 0a|"; http_header; pcre:"/User-Agent\x3a App\d+/i"; threshold: type limit, count 2, track by_src, seconds 300; reference:url,doc.emergingthreats.net/bin/view/Main/2008073; classtype:trojan-activity; sid:2008073; rev:9;)

Added 2011-10-19 18:51:43 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN Suspicious User-Agent (App4)"; flow:to_server,established; content:"|0d 0a|User-Agent|3a| App"; content:!"Host|3a| liveupdate.symantecliveupdate.com|0d 0a|"; pcre:"/User-Agent\: App\d+/i"; threshold: type limit, count 2, track by_src, seconds 300; reference:url,doc.emergingthreats.net/bin/view/Main/2008073; classtype:trojan-activity; sid:2008073; rev:8;)

Added 2011-10-12 19:24:23 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN Suspicious User-Agent (App4)"; flow:to_server,established; content:"|0d 0a|User-Agent|3a| App"; content:!"Host|3a| liveupdate.symantecliveupdate.com|0d 0a|"; pcre:"/User-Agent\: App\d+/i"; threshold: type limit, count 2, track by_src, seconds 300; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2008073; sid:2008073; rev:8;)

Added 2011-09-14 22:37:52 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET USER_AGENTS Suspicious User-Agent (App4)"; flow:to_server,established; content:"|0d 0a|User-Agent|3a| App"; content:!"Host|3a| liveupdate.symantecliveupdate.com|0d 0a|"; pcre:"/User-Agent\: App\d+/i"; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2008073; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/USER_AGENTS/USER_AGENTS_Suspicious; sid:2008073; rev:7;)

Added 2011-02-04 17:27:11 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET USER_AGENTS Suspicious User-Agent (App4)"; flow:to_server,established; content:"|0d 0a|User-Agent\: App"; content:!"Host|3a| liveupdate.symantecliveupdate.com|0d 0a|"; pcre:"/User-Agent\: App\d+/i"; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2008073; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/USER_AGENTS/USER_AGENTS_Suspicious; sid:2008073; rev:6;)

Added 2010-08-27 15:01:37 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET USER_AGENTS Suspicious User-Agent (App4)"; flow:to_server,established; content:"|0d 0a|User-Agent\: App"; content:!"Host|3a| liveupdate.symantecliveupdate.com|0d 0a|"; pcre:"/User-Agent\: App\d+/i"; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2008073; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/USER_AGENTS/USER_AGENTS_Suspicious; sid:2008073; rev:6;)

Added 2010-08-27 15:01:37 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET USER_AGENTS Suspicious User-Agent (App4)"; flow:to_server,established; content:"|0d 0a|User-Agent\: App"; pcre:"/User-Agent\: App\d+/i"; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2008073; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/USER_AGENTS/USER_AGENTS_Suspicious; sid:2008073; rev:5;)

Added 2009-10-19 09:15:44 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET USER_AGENTS Suspicious User-Agent (App4)"; flow:to_server,established; content:"|0d 0a|User-Agent\: App"; pcre:"/User-Agent\: App\d+/i"; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2008073; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/USER_AGENTS/USER_AGENTS_Suspicious; sid:2008073; rev:5;)

Added 2009-10-19 09:15:44 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Suspicious User-Agent (App4)"; flow:to_server,established; content:"|0d 0a|User-Agent\: App"; pcre:"/User-Agent\: App\d+/i"; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2008073; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/MALWARE/MALWARE_USER_Agents; sid:2008073; rev:3;)

Added 2009-02-09 22:22:08 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Suspicious User-Agent (App4)"; flow:to_server,established; content:"|0d 0a|User-Agent\: App"; pcre:"/User-Agent\: App\d+/i"; classtype:trojan-activity; sid:2008073; rev:2;)

Added 2008-04-01 09:43:04 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Suspicious User-Agent (App4)"; flow:to_server,established; content:"|0d 0a|User-Agent\: App"; pcre:"/User-Agent\: App\d+/i"; classtype:trojan-activity; sid:2008073; rev:2;)

Added 2008-04-01 09:43:04 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Suspicious User-Agent (App4)"; flow:to_server,established; content:"|0d 0a|User-Agent\: App"; classtype:trojan-activity; sid:2008073; rev:1;)

Added 2008-03-30 22:54:46 UTC