alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Suspicious User-Agent (Download App)"; flow:established,to_server; content:"Download App"; http_user_agent; depth:12; threshold: type limit, count 2, track by_src, seconds 300; metadata: former_category HUNTING; reference:url,doc.emergingthreats.net/bin/view/Main/2008440; classtype:trojan-activity; sid:2008440; rev:13; metadata:affected_product Any, attack_target Client_Endpoint, deployment Perimeter, tag User_Agent, signature_severity Major, created_at 2010_07_30, updated_at 2019_10_11;)

Added 2019-10-11 19:56:27 UTC

Please enter documentation, comments, false positives, or concerns with this signature. Press the Attach button below to add samples or Pcaps.

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alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Suspicious User-Agent (Download App)"; flow:established,to_server; content:"User-Agent|3a| Download App"; http_header; threshold: type limit, count 2, track by_src, seconds 300; metadata: former_category HUNTING; reference:url,doc.emergingthreats.net/bin/view/Main/2008440; classtype:trojan-activity; sid:2008440; rev:12; metadata:affected_product Any, attack_target Client_Endpoint, deployment Perimeter, tag User_Agent, signature_severity Major, created_at 2010_07_30, updated_at 2017_10_30;)

Added 2019-10-09 19:08:42 UTC

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alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Suspicious User-Agent (Download App)"; flow:established,to_server; content:"User-Agent|3a| Download App"; http_header; threshold: type limit, count 2, track by_src, seconds 300; metadata: former_category TROJAN; reference:url,doc.emergingthreats.net/bin/view/Main/2008440; classtype:trojan-activity; sid:2008440; rev:12; metadata:affected_product Any, attack_target Client_Endpoint, deployment Perimeter, tag User_Agent, signature_severity Major, created_at 2010_07_30, updated_at 2017_10_30;)

Added 2017-10-30 18:17:33 UTC

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alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Suspicious User-Agent (Download App)"; flow:established,to_server; content:"User-Agent|3a| Download App"; http_header; threshold: type limit, count 2, track by_src, seconds 300; metadata: former_category TROJAN; reference:url,doc.emergingthreats.net/bin/view/Main/2008440; classtype:trojan-activity; sid:2008440; rev:12; metadata:affected_product Any, attack_target Client_Endpoint, deployment Perimeter, tag User_Agent, signature_severity Major, created_at 2010_07_30, updated_at 2017_10_30;)

Added 2017-10-30 16:39:42 UTC

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alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Suspicious User-Agent (Download App)"; flow:established,to_server; content:"User-Agent|3a| Download App"; http_header; threshold: type limit, count 2, track by_src, seconds 300; reference:url,doc.emergingthreats.net/bin/view/Main/2008440; classtype:trojan-activity; sid:2008440; rev:11; metadata:affected_product Any, attack_target Client_Endpoint, deployment Perimeter, tag User_Agent, signature_severity Major, created_at 2010_07_30, updated_at 2016_07_01;)

Added 2017-08-07 21:01:36 UTC

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alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN Suspicious User-Agent (Download App)"; flow:established,to_server; content:"User-Agent|3a| Download App"; http_header; threshold: type limit, count 2, track by_src, seconds 300; reference:url,doc.emergingthreats.net/bin/view/Main/2008440; classtype:trojan-activity; sid:2008440; rev:10;)

Added 2011-10-12 19:25:08 UTC

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alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN Suspicious User-Agent (Download App)"; flow:established,to_server; content:"User-Agent|3a| Download App"; http_header; threshold: type limit, count 2, track by_src, seconds 300; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2008440; sid:2008440; rev:10;)

Added 2011-09-14 22:38:35 UTC

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alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN Suspicious User-Agent (Download App)"; flow:established,to_server; content:"User-Agent|3a| Download App"; http_header; threshold: type limit, count 2, track by_src, seconds 300; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2008440; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/USER_AGENTS/USER_AGENTS_Suspicious; sid:2008440; rev:10;)

Added 2011-06-13 23:08:07 UTC

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alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET USER_AGENTS Suspicious User-Agent (Download App)"; flow:established,to_server; content:"User-Agent|3a| Download App"; http_header; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2008440; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/USER_AGENTS/USER_AGENTS_Suspicious; sid:2008440; rev:9;)

Added 2011-02-04 17:27:37 UTC

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alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET USER_AGENTS Suspicious User-Agent (Download App)"; flow:established,to_server; content:"|0d 0a|User-Agent\: Download App"; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2008440; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/USER_AGENTS/USER_AGENTS_Suspicious; sid:2008440; rev:6;)

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

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alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET USER_AGENTS Suspicious User-Agent (Download App)"; flow:established,to_server; content:"|0d 0a|User-Agent\: Download App"; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2008440; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/USER_AGENTS/USER_AGENTS_Suspicious; sid:2008440; rev:6;)

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

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alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Suspicious User-Agent (Download App)"; flow:established,to_server; content:"|0d 0a|User-Agent\: Download App"; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2008440; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/MALWARE/MALWARE_USER_Agents; sid:2008440; rev:4;)

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

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alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Suspicious User-Agent (Download App)"; flow:established,to_server; content:"|0d 0a|User-Agent\: Download App"; classtype:trojan-activity; sid:2008440; rev:3;)

Added 2008-07-23 10:00:23 UTC

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alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Suspicious User-Agent (Download App)"; flow:established,to_server; content:"|0d 0a|User-Agent\: Download App"; classtype:trojan-activity; sid:2008440; rev:3;)

Added 2008-07-23 10:00:23 UTC

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alert tcp $HOME_NET any -> any $HTTP_PORTS (msg:"ET MALWARE Suspicious User-Agent (Download App)"; flow:established,to_server; content:"|0d 0a|User-Agent\: Download App"; classtype:trojan-activity; sid:2008440; rev:2;)

Added 2008-07-22 23:00:21 UTC

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alert tcp $HOME_NET any -> any $HTTP_PORTS (msg:"ET MALWARE Suspicious User-Agent (Download App)"; flow:established,to_server; content:"|0d 0a|User-Agent\: Download App"; classtype:trojan-activity; sid:2008440; rev:2;)

Added 2008-07-22 23:00:21 UTC

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alert tcp $HOME_NET any -> any $HTTP_PORTS (msg:"ET MALWARE Suspicious User-Agent (Download App)"; flow: established; content:"|0d 0a|User-Agent\: Download App"; classtype:trojan-activity; sid:2008440; rev:1;)

Added 2008-07-17 17:00:22 UTC

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