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<h2> alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Suspicious User-Agent (INSTALLER)"; flow:to_server,established; content:"INSTALLER"; http_user_agent; depth:9; isdataat:!1,relative; threshold: type limit, count 2, track by_src, seconds 300; reference:url,doc.emergingthreats.net/bin/view/Main/2008096; classtype:trojan-activity; sid:2008096; rev:10; metadata:affected_product Any, attack_target Client_Endpoint, created_at 2010_07_30, deployment Perimeter, former_category HUNTING, signature_severity Major, tag User_Agent, updated_at 2020_10_16;) </h2> Added 2020-10-16 18:22:55 UTC %COMMENT{type="threadmode" default="Please enter documentation, comments, false positives, or concerns with this signature. Press the Attach button below to add samples or Pcaps." button="Add to Documentation" }% <hr> <h2> alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Suspicious User-Agent (INSTALLER)"; flow:to_server,established; content:"INSTALLER"; http_user_agent; depth:9; isdataat:!1,relative; threshold: type limit, count 2, track by_src, seconds 300; reference:url,doc.emergingthreats.net/bin/view/Main/2008096; classtype:trojan-activity; sid:2008096; rev:10; metadata:affected_product Any, attack_target Client_Endpoint, created_at 2010_07_30, deployment Perimeter, former_category HUNTING, signature_severity Major, tag User_Agent, updated_at 2019_10_11;) </h2> Added 2020-08-05 19:05:14 UTC <hr> <h2> alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Suspicious User-Agent (INSTALLER)"; flow:to_server,established; content:"INSTALLER"; http_user_agent; depth:9; isdataat:!1,relative; threshold: type limit, count 2, track by_src, seconds 300; metadata: former_category HUNTING; reference:url,doc.emergingthreats.net/bin/view/Main/2008096; classtype:trojan-activity; sid:2008096; rev:10; 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;) </h2> Added 2019-10-11 19:56:25 UTC <hr> <h2> alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Suspicious User-Agent (INSTALLER)"; flow:to_server,established; content:"User-Agent|3a| INSTALLER|0d 0a|"; http_header; threshold: type limit, count 2, track by_src, seconds 300; metadata: former_category HUNTING; reference:url,doc.emergingthreats.net/bin/view/Main/2008096; classtype:trojan-activity; sid:2008096; rev:9; 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;) </h2> Added 2019-10-09 19:08:41 UTC <hr> <h2> alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Suspicious User-Agent (INSTALLER)"; flow:to_server,established; content:"User-Agent|3a| INSTALLER|0d 0a|"; http_header; threshold: type limit, count 2, track by_src, seconds 300; metadata: former_category TROJAN; reference:url,doc.emergingthreats.net/bin/view/Main/2008096; classtype:trojan-activity; sid:2008096; rev:9; 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;) </h2> Added 2017-10-30 18:17:30 UTC <hr> <h2> alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Suspicious User-Agent (INSTALLER)"; flow:to_server,established; content:"User-Agent|3a| INSTALLER|0d 0a|"; http_header; threshold: type limit, count 2, track by_src, seconds 300; metadata: former_category TROJAN; reference:url,doc.emergingthreats.net/bin/view/Main/2008096; classtype:trojan-activity; sid:2008096; rev:9; 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;) </h2> Added 2017-10-30 16:39:39 UTC <hr> <h2> alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Suspicious User-Agent (INSTALLER)"; flow:to_server,established; content:"User-Agent|3a| INSTALLER|0d 0a|"; http_header; threshold: type limit, count 2, track by_src, seconds 300; reference:url,doc.emergingthreats.net/bin/view/Main/2008096; classtype:trojan-activity; sid:2008096; rev:8; 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;) </h2> Added 2017-08-07 21:01:17 UTC <hr> <h2> alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN Suspicious User-Agent (INSTALLER)"; flow:to_server,established; content:"User-Agent|3a| INSTALLER|0d 0a|"; http_header; threshold: type limit, count 2, track by_src, seconds 300; reference:url,doc.emergingthreats.net/bin/view/Main/2008096; classtype:trojan-activity; sid:2008096; rev:8;) </h2> Added 2011-10-12 19:24:26 UTC <hr> <h2> alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN Suspicious User-Agent (INSTALLER)"; flow:to_server,established; content:"User-Agent|3a| INSTALLER|0d 0a|"; http_header; threshold: type limit, count 2, track by_src, seconds 300; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2008096; sid:2008096; rev:8;) </h2> Added 2011-09-14 22:37:55 UTC <hr> <h2> alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET USER_AGENTS Suspicious User-Agent (INSTALLER)"; flow:to_server,established; content:"User-Agent|3a| INSTALLER|0d 0a|"; http_header; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2008096; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/USER_AGENTS/USER_AGENTS_Suspicious; sid:2008096; rev:7;) </h2> Added 2011-02-04 17:27:12 UTC <hr> <h2> alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET USER_AGENTS Suspicious User-Agent (INSTALLER)"; flow:to_server,established; content:"|0d 0a|User-Agent\: INSTALLER|0d 0a|"; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2008096; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/USER_AGENTS/USER_AGENTS_Suspicious; sid:2008096; rev:4;) </h2> Added 2009-10-19 09:15:44 UTC <hr> <h2> alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET USER_AGENTS Suspicious User-Agent (INSTALLER)"; flow:to_server,established; content:"|0d 0a|User-Agent\: INSTALLER|0d 0a|"; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2008096; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/USER_AGENTS/USER_AGENTS_Suspicious; sid:2008096; rev:4;) </h2> Added 2009-10-19 09:15:44 UTC <hr> <h2> alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Suspicious User-Agent (INSTALLER)"; flow:to_server,established; content:"|0d 0a|User-Agent\: INSTALLER|0d 0a|"; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2008096; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/MALWARE/MALWARE_USER_Agents; sid:2008096; rev:2;) </h2> Added 2009-02-09 22:22:08 UTC <hr> <h2> alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Suspicious User-Agent (INSTALLER)"; flow:to_server,established; content:"|0d 0a|User-Agent\: INSTALLER|0d 0a|"; classtype:trojan-activity; sid:2008096; rev:1;) </h2> Added 2008-04-03 16:11:30 UTC <hr>
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Topic revision: r1 - 2020-10-16
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