EmergingThreats> Main Web>2003586 (2007-04-13, MattJonkman) EditAttach

#alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Suspicious User-Agent (WinXP? Pro Service Pack 2)"; flow:to_server,established; content:"WinXP Pro Service Pack"; http_user_agent; depth:22; threshold: type limit, count 3, seconds 300, track by_src; reference:url,doc.emergingthreats.net/2003586; classtype:trojan-activity; sid:2003586; rev:14; 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;)

Added 2020-10-16 18:22:53 UTC

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Suspicious User-Agent (WinXP? Pro Service Pack 2)"; flow:to_server,established; content:"WinXP Pro Service Pack"; http_user_agent; depth:22; threshold: type limit, count 3, seconds 300, track by_src; reference:url,doc.emergingthreats.net/2003586; classtype:trojan-activity; sid:2003586; rev:14; 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;)

Added 2020-08-05 19:01:53 UTC

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Suspicious User-Agent (WinXP? Pro Service Pack 2)"; flow:to_server,established; content:"WinXP Pro Service Pack"; http_user_agent; depth:22; threshold: type limit, count 3, seconds 300, track by_src; metadata: former_category HUNTING; reference:url,doc.emergingthreats.net/2003586; classtype:trojan-activity; sid:2003586; rev:14; 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 19:56:20 UTC

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Suspicious User-Agent (WinXP? Pro Service Pack 2)"; flow:to_server,established; content:"User-Agent|3a| WinXP? Pro Service Pack"; http_header; threshold: type limit, count 3, seconds 300, track by_src; metadata: former_category HUNTING; reference:url,doc.emergingthreats.net/2003586; classtype:trojan-activity; sid:2003586; 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 2017_10_30;)

Added 2019-10-09 19:08:40 UTC

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Suspicious User-Agent (WinXP? Pro Service Pack 2)"; flow:to_server,established; content:"User-Agent|3a| WinXP? Pro Service Pack"; http_header; threshold: type limit, count 3, seconds 300, track by_src; metadata: former_category TROJAN; reference:url,doc.emergingthreats.net/2003586; classtype:trojan-activity; sid:2003586; 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 2017_10_30;)

Added 2017-10-30 18:17:25 UTC

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Suspicious User-Agent (WinXP? Pro Service Pack 2)"; flow:to_server,established; content:"User-Agent|3a| WinXP? Pro Service Pack"; http_header; threshold: type limit, count 3, seconds 300, track by_src; metadata: former_category TROJAN; reference:url,doc.emergingthreats.net/2003586; classtype:trojan-activity; sid:2003586; 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 2017_10_30;)

Added 2017-10-30 16:39:34 UTC

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Suspicious User-Agent (WinXP? Pro Service Pack 2)"; flow:to_server,established; content:"User-Agent|3a| WinXP? Pro Service Pack"; http_header; threshold: type limit, count 3, seconds 300, track by_src; reference:url,doc.emergingthreats.net/2003586; classtype:trojan-activity; sid:2003586; 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 2016_07_01;)

Added 2017-08-07 20:56:49 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN Suspicious User-Agent (WinXP? Pro Service Pack 2)"; flow:to_server,established; content:"User-Agent|3a| WinXP? Pro Service Pack"; http_header; threshold: type limit, count 3, seconds 300, track by_src; reference:url,doc.emergingthreats.net/2003586; classtype:trojan-activity; sid:2003586; rev:11;)

Added 2011-10-12 19:13:45 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN Suspicious User-Agent (WinXP? Pro Service Pack 2)"; flow:to_server,established; content:"User-Agent|3a| WinXP? Pro Service Pack"; http_header; threshold: type limit, count 3, seconds 300, track by_src; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2003586; sid:2003586; rev:11;)

Added 2011-09-14 22:26:44 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET USER_AGENTS Suspicious User-Agent (WinXP? Pro Service Pack 2)"; flow:to_server,established; content:"User-Agent|3a| WinXP? Pro Service Pack"; http_header; threshold: type limit, count 3, seconds 300, track by_src; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2003586; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/USER_AGENTS/USER_AGENTS_Suspicious; sid:2003586; rev:10;)

Added 2011-05-25 19:28:46 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET USER_AGENTS Suspicious User-Agent (WinXP? Pro Service Pack 2)"; flow:to_server,established; content:"User-Agent|3a| WinXP? Pro Service Pack 2"; http_header; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2003586; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/USER_AGENTS/USER_AGENTS_Suspicious; sid:2003586; rev:8;)

Added 2011-02-04 17:22:34 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET USER_AGENTS Suspicious User-Agent (WinXP? Pro Service Pack 2)"; flow:to_server,established; content:"User-Agent\: WinXP? Pro Service Pack 2"; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2003586; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/USER_AGENTS/USER_AGENTS_Suspicious; sid:2003586; rev:6;)

Added 2009-10-19 09:15:43 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET USER_AGENTS Suspicious User-Agent (WinXP? Pro Service Pack 2)"; flow:to_server,established; content:"User-Agent\: WinXP? Pro Service Pack 2"; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2003586; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/USER_AGENTS/USER_AGENTS_Suspicious; sid:2003586; rev:6;)

Added 2009-10-19 09:15:43 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Suspicious User-Agent (WinXP? Pro Service Pack 2)"; flow:to_server,established; content:"User-Agent\: WinXP? Pro Service Pack 2"; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2003586; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/MALWARE/MALWARE_USER_Agents; sid:2003586; rev:4;)

Added 2009-02-09 21:30:24 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Suspicious User-Agent (WinXP? Pro Service Pack 2)"; flow:to_server,established; content:"User-Agent\: WinXP? Pro Service Pack 2"; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2003586; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/MALWARE/MALWARE_USER_Agents; sid:2003586; rev:4;)

Added 2009-02-09 21:30:24 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Suspicious User-Agent (WinXP? Pro Service Pack 2)"; flow:to_server,established; content:"User-Agent\: WinXP? Pro Service Pack 2"; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2003586; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/MALWARE/MALWARE_USER_Agents; sid:2003586; rev:4;)

Added 2009-02-09 21:29:25 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Suspicious User-Agent (WinXP? Pro Service Pack 2)"; flow:to_server,established; content:"User-Agent\: WinXP? Pro Service Pack 2"; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2003586; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/MALWARE/MALWARE_USER_Agents; sid:2003586; rev:4;)

Added 2009-02-09 21:29:25 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Suspicious User-Agent (WinXP? Pro Service Pack 2)"; flow:to_server,established; content:"User-Agent\: WinXP? Pro Service Pack 2"; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2003586; sid:2003586; rev:3;)

Added 2008-01-28 17:24:21 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Suspicious User-Agent (WinXP? Pro Service Pack 2)"; flow:to_server,established; content:"User-Agent\: WinXP? Pro Service Pack 2"; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2003586; sid:2003586; rev:3;)

Added 2008-01-28 17:24:21 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"BLEEDING-EDGE MALWARE Suspicious User-Agent (WinXP? Pro Service Pack 2)"; flow:to_server,established; content:"User-Agent\: WinXP? Pro Service Pack 2"; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2003586; sid:2003586; rev:2;)

Added 2008-01-09 17:42:41 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"BLEEDING-EDGE MALWARE Suspicious User-Agent (WinXP? Pro Service Pack 2)"; flow:to_server,established; content:"User-Agent\: WinXP? Pro Service Pack 2"; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2003586; sid:2003586; rev:2;)

Added 2008-01-09 17:42:41 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"BLEEDING-EDGE MALWARE Suspicious User-Agent (WinXP? Pro Service Pack 2)"; flow:to_server,established; content:"User-Agent\: WinXP? Pro Service Pack 2"; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2003586; sid:2003586; rev:2;)

Added 2008-01-09 15:15:19 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"BLEEDING-EDGE MALWARE Suspicious User-Agent (WinXP? Pro Service Pack 2)"; flow:to_server,established; content:"User-Agent\: WinXP? Pro Service Pack 2"; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2003586; sid:2003586; rev:2;)

Added 2008-01-09 15:15:19 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"BLEEDING-EDGE MALWARE Suspicious User-Agent (WinXP? Pro Service Pack 2)"; flow:to_server,established; content:"User-Agent\: WinXP? Pro Service Pack 2"; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2003586; sid:2003586; rev:2;)

Added 2008-01-08 20:25:19 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"BLEEDING-EDGE MALWARE Suspicious User-Agent (WinXP? Pro Service Pack 2)"; flow:to_server,established; content:"User-Agent\: WinXP? Pro Service Pack 2"; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2003586; sid:2003586; rev:2;)

Added 2008-01-08 20:25:19 UTC

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"BLEEDING-EDGE MALWARE Suspicious User-Agent (WinXP? Pro Service Pack 2)"; flow:to_server,established; content:"User-Agent\: WinXP? Pro Service Pack 2"; classtype:trojan-activity; reference:url,doc.bleedingthreats.net/2003586; sid:2003586; rev:1;)

Added 2007-04-13 13:45:20 UTC

Seen used by spyware and a trojan. This may occur in normal traffic. Please report any false positives and we'll negate if possible.

-- MattJonkman - 13 Apr 2007

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Topic revision: r2 - 2007-04-13 - MattJonkman
 
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