alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE
NavExcel? Spyware User-Agent (
NavHelper?)"; flow:to_server,established; content:"NavHelper"; nocase; http_user_agent; depth:9; reference:url,doc.emergingthreats.net/2005321; classtype:trojan-activity; sid:2005321; rev:10; metadata:attack_target Client_Endpoint, created_at 2010_07_30, deployment Perimeter, former_category ADWARE_PUP, signature_severity Minor, tag Spyware_User_Agent, updated_at 2020_10_19;)
Added 2020-10-19 19:37:38 UTC
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE
NavExcel? Spyware User-Agent (
NavHelper?)"; flow:to_server,established; content:"NavHelper"; nocase; http_user_agent; depth:9; reference:url,doc.emergingthreats.net/2005321; classtype:trojan-activity; sid:2005321; rev:10; metadata:attack_target Client_Endpoint, created_at 2010_07_30, deployment Perimeter, former_category ADWARE_PUP, signature_severity Minor, tag Spyware_User_Agent, updated_at 2019_10_11;)
Added 2020-08-05 19:03:08 UTC
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE
NavExcel? Spyware User-Agent (
NavHelper?)"; flow:to_server,established; content:"NavHelper"; nocase; http_user_agent; depth:9; metadata: former_category ADWARE_PUP; reference:url,doc.emergingthreats.net/2005321; classtype:trojan-activity; sid:2005321; rev:10; metadata:attack_target Client_Endpoint, deployment Perimeter, tag Spyware_User_Agent, signature_severity Minor, created_at 2010_07_30, updated_at 2019_10_11;)
Added 2019-10-11 19:56:21 UTC
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE
NavExcel? Spyware User-Agent (
NavHelper?)"; flow:to_server,established; content:"User-Agent|3a|
NavHelper?"; nocase; http_header; metadata: former_category ADWARE_PUP; reference:url,doc.emergingthreats.net/2005321; classtype:trojan-activity; sid:2005321; rev:9; metadata:attack_target Client_Endpoint, deployment Perimeter, tag Spyware_User_Agent, signature_severity Minor, created_at 2010_07_30, updated_at 2016_07_01;)
Added 2019-09-26 19:55:22 UTC
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE
NavExcel? Spyware User-Agent (
NavHelper?)"; flow:to_server,established; content:"User-Agent|3a|
NavHelper?"; nocase; http_header; metadata: former_category MALWARE; reference:url,doc.emergingthreats.net/2005321; classtype:trojan-activity; sid:2005321; rev:9; metadata:attack_target Client_Endpoint, deployment Perimeter, tag Spyware_User_Agent, signature_severity Minor, created_at 2010_07_30, updated_at 2016_07_01;)
Added 2019-08-15 20:32:54 UTC
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE
NavExcel? Spyware User-Agent (
NavHelper?)"; flow:to_server,established; content:"User-Agent|3a|
NavHelper?"; nocase; http_header; reference:url,doc.emergingthreats.net/2005321; classtype:trojan-activity; sid:2005321; rev:8; metadata:attack_target Client_Endpoint, deployment Perimeter, tag Spyware_User_Agent, signature_severity Minor, created_at 2010_07_30, updated_at 2016_07_01;)
Added 2017-08-07 20:58:30 UTC
alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE
NavExcel? Spyware User-Agent (
NavHelper?)"; flow:to_server,established; content:"User-Agent|3a|
NavHelper?"; nocase; http_header; reference:url,doc.emergingthreats.net/2005321; classtype:trojan-activity; sid:2005321; rev:7;)
Added 2011-12-15 18:09:23 UTC
alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET USER_AGENTS
NavExcel? Spyware User-Agent (
NavHelper?)"; flow:to_server,established; content:"User-Agent|3a|
NavHelper?"; nocase; http_header; reference:url,doc.emergingthreats.net/2005321; classtype:trojan-activity; sid:2005321; rev:7;)
Added 2011-10-12 19:17:55 UTC
alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET USER_AGENTS
NavExcel? Spyware User-Agent (
NavHelper?)"; flow:to_server,established; content:"User-Agent|3a|
NavHelper?"; nocase; http_header; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2005321; sid:2005321; rev:7;)
Added 2011-09-14 22:31:09 UTC
alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET USER_AGENTS
NavExcel? Spyware User-Agent (
NavHelper?)"; flow:to_server,established; content:"User-Agent|3a|
NavHelper?"; nocase; http_header; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2005321; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/USER_AGENTS/USER_AGENTS_Navhelper; sid:2005321; rev:7;)
Added 2011-02-04 17:24:11 UTC
alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET USER_AGENTS
NavExcel? Spyware User-Agent (
NavHelper?)"; flow:to_server,established; content:"User-Agent\:
NavHelper?"; nocase; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2005321; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/USER_AGENTS/USER_AGENTS_Navhelper; sid:2005321; rev:5;)
Added 2009-11-25 11:39:03 UTC
alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET USER_AGENTS
NavExcel? Spyware User-Agent (
NavHelper?)"; flow:to_server,established; content:"User-Agent\:
NavHelper?"; nocase; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2005321; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/USER_AGENTS/USER_AGENTS_Navhelper; sid:2005321; rev:5;)
Added 2009-11-25 11:39:03 UTC
alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE
NavExcel? Spyware User-Agent (
NavHelper?)"; flow:to_server,established; content:"User-Agent\:
NavHelper?"; nocase; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2005321; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/MALWARE/MALWARE_USER_Agents; sid:2005321; rev:3;)
Added 2009-02-09 21:30:24 UTC
alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE
NavExcel? Spyware User-Agent (
NavHelper?)"; flow:to_server,established; content:"User-Agent\:
NavHelper?"; nocase; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2005321; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/MALWARE/MALWARE_USER_Agents; sid:2005321; rev:3;)
Added 2009-02-09 21:30:24 UTC
alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE
NavExcel? Spyware User-Agent (
NavHelper?)"; flow:to_server,established; content:"User-Agent\:
NavHelper?"; nocase; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2005321; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/MALWARE/MALWARE_USER_Agents; sid:2005321; rev:3;)
Added 2009-02-09 21:29:25 UTC
alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE
NavExcel? Spyware User-Agent (
NavHelper?)"; flow:to_server,established; content:"User-Agent\:
NavHelper?"; nocase; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2005321; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/MALWARE/MALWARE_USER_Agents; sid:2005321; rev:3;)
Added 2009-02-09 21:29:25 UTC
alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE
NavExcel? Spyware User-Agent (
NavHelper?)"; flow:to_server,established; content:"User-Agent\:
NavHelper?"; nocase; classtype:trojan-activity; sid:2005321; rev:2;)
Added 2008-01-28 17:24:21 UTC
alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE
NavExcel? Spyware User-Agent (
NavHelper?)"; flow:to_server,established; content:"User-Agent\:
NavHelper?"; nocase; classtype:trojan-activity; sid:2005321; rev:2;)
Added 2008-01-28 17:24:21 UTC
alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"BLEEDING-EDGE MALWARE
NavExcel? Spyware User-Agent (
NavHelper?)"; flow:to_server,established; content:"User-Agent\:
NavHelper?"; nocase; classtype:trojan-activity; sid:2005321; rev:1;)
Added 2007-06-15 14:16:08 UTC
From the spyware listening post data.
--
ShirkDog? - 20 Jul 2007