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alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Suspicious User Agent (Autoupdate)"; flow:to_server,established; content:"User-Agent|3a| Autoupdate"; nocase; http_header; content:!"Host|3a| update.nai.com"; nocase; http_header; content:!"McAfeeAutoUpdate"; nocase; http_header; content:!"nokia.com"; nocase; http_header; content:!"sophosupd.com"; nocase; http_header; content:!"sophosupd.net"; nocase; http_header; content:!" Creative AutoUpdate?? v"; http_header; content:!"wholetomato.com"; http_header; reference:url,doc.emergingthreats.net/bin/view/Main/2003337; classtype:trojan-activity; sid:2003337; rev:14;)

-- DavidSzabo - 2015-01-21

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Suspicious User Agent (Autoupdate)"; flow:to_server,established; content:"User-Agent|3a| Autoupdate"; nocase; http_header; content:!"Host|3a| update.nai.com"; nocase; http_header; content:!"McAfeeAutoUpdate"; nocase; http_header; content:!"nokia.com"; nocase; http_header; content:!"sophosupd.com"; nocase; http_header; content:!"sophosupd.net"; nocase; http_header; content:!" Creative AutoUpdate? v"; http_header; reference:url,doc.emergingthreats.net/bin/view/Main/2003337; classtype:trojan-activity; sid:2003337; rev:13;)

Added 2014-05-30 18:28:02 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Suspicious User Agent (Autoupdate)"; flow:to_server,established; content:"User-Agent|3a| Autoupdate"; nocase; http_header; content:!"Host|3a| update.nai.com"; nocase; http_header; content:!"McAfeeAutoUpdate"; nocase; http_header; content:!"nokia.com"; nocase; http_header; content:!"sophosupd.com"; nocase; http_header; content:!"sophosupd.net"; nocase; http_header; content:!" Creative AutoUpdate? v"; http_header; reference:url,doc.emergingthreats.net/bin/view/Main/2003337; classtype:trojan-activity; sid:2003337; rev:13;)

Added 2014-05-29 18:01:44 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Suspicious User Agent (Autoupdate)"; flow:to_server,established; content:"User-Agent|3a| Autoupdate"; nocase; http_header; content:!"Host|3a| update.nai.com"; nocase; http_header; content:!"McAfeeAutoUpdate"; nocase; http_header; content:!"nokia.com"; nocase; http_header; content:!"sophosupd.com"; nocase; http_header;content:!"sophosupd.net"; nocase; http_header; reference:url,doc.emergingthreats.net/bin/view/Main/2003337; classtype:trojan-activity; sid:2003337; rev:15;)

Added 2011-12-15 18:09:09 UTC

Added support for ignoring requests to the domain "sophosupd.com & .net" used by Sophos agents, and very noisy

-- MichaelMenefee - 2014-05-28


alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET USER_AGENTS Suspicious User Agent (Autoupdate)"; flow:to_server,established; content:"User-Agent|3a| Autoupdate"; nocase; http_header; content:!"Host|3a| update.nai.com"; nocase; http_header; content:!"McAfeeAutoUpdate"; nocase; http_header; content:!"nokia.com"; nocase; http_header; reference:url,doc.emergingthreats.net/bin/view/Main/2003337; classtype:trojan-activity; sid:2003337; rev:12;)

Added 2011-10-12 19:13:17 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET USER_AGENTS Suspicious User Agent (Autoupdate)"; flow:to_server,established; content:"User-Agent|3a| Autoupdate"; nocase; http_header; content:!"Host|3a| update.nai.com"; nocase; http_header; content:!"McAfeeAutoUpdate"; nocase; http_header; content:!"nokia.com"; nocase; http_header; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2003337; sid:2003337; rev:12;)

Added 2011-09-14 22:26:15 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET USER_AGENTS Suspicious User Agent (Autoupdate)"; flow:to_server,established; content:"User-Agent|3a| Autoupdate"; nocase; http_header; content:!"Host|3a| update.nai.com"; nocase; http_header; content:!"McAfeeAutoUpdate"; nocase; http_header; content:!"nokia.com"; nocase; http_header; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2003337; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/USER_AGENTS/USER_AGENTS_Suspicious; sid:2003337; rev:12;)

Added 2011-02-04 17:22:24 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET USER_AGENTS Suspicious User Agent (Autoupdate)"; flow:to_server,established; content:"User-Agent\: Autoupdate"; nocase; content:!"Host\: update.nai.com"; nocase; content:!"McAfeeAutoUpdate"; nocase; content:!"nokia.com"; nocase; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2003337; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/USER_AGENTS/USER_AGENTS_Suspicious; sid:2003337; rev:10;)

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


alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET USER_AGENTS Suspicious User Agent (Autoupdate)"; flow:to_server,established; content:"User-Agent\: Autoupdate"; nocase; content:!"Host\: update.nai.com"; nocase; content:!"McAfeeAutoUpdate"; nocase; content:!"nokia.com"; nocase; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2003337; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/USER_AGENTS/USER_AGENTS_Suspicious; sid:2003337; rev:10;)

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


alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Suspicious User Agent (Autoupdate)"; flow:to_server,established; content:"User-Agent\: Autoupdate"; nocase; content:!"Host\: update.nai.com"; nocase; content:!"McAfeeAutoUpdate"; nocase; content:!"nokia.com"; nocase; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2003337; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/MALWARE/MALWARE_USER_Agents; sid:2003337; rev:8;)

Added 2009-02-09 21:30:23 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Suspicious User Agent (Autoupdate)"; flow:to_server,established; content:"User-Agent\: Autoupdate"; nocase; content:!"Host\: update.nai.com"; nocase; content:!"McAfeeAutoUpdate"; nocase; content:!"nokia.com"; nocase; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2003337; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/MALWARE/MALWARE_USER_Agents; sid:2003337; rev:8;)

Added 2009-02-09 21:30:23 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Suspicious User Agent (Autoupdate)"; flow:to_server,established; content:"User-Agent\: Autoupdate"; nocase; content:!"Host\: update.nai.com"; nocase; content:!"McAfeeAutoUpdate"; nocase; content:!"nokia.com"; nocase; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2003337; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/MALWARE/MALWARE_USER_Agents; sid:2003337; rev:8;)

Added 2009-02-09 21:29:24 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Suspicious User Agent (Autoupdate)"; flow:to_server,established; content:"User-Agent\: Autoupdate"; nocase; content:!"Host\: update.nai.com"; nocase; content:!"McAfeeAutoUpdate"; nocase; content:!"nokia.com"; nocase; classtype:trojan-activity; reference:url,doc.emergingthreats.net/bin/view/Main/2003337; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/MALWARE/MALWARE_USER_Agents; sid:2003337; rev:8;)

Added 2009-02-09 21:29:24 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Suspicious User Agent (Autoupdate)"; flow:to_server,established; content:"User-Agent\: Autoupdate"; nocase; content:!"Host\: update.nai.com"; nocase; content:!"McAfeeAutoUpdate"; nocase; content:!"nokia.com"; nocase; classtype:trojan-activity; sid:2003337; rev:7;)

Added 2008-07-11 10:00:23 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Suspicious User Agent (Autoupdate)"; flow:to_server,established; content:"User-Agent\: Autoupdate"; nocase; content:!"Host\: update.nai.com"; nocase; content:!"McAfeeAutoUpdate"; nocase; content:!"nokia.com"; nocase; classtype:trojan-activity; sid:2003337; rev:7;)

Added 2008-07-11 10:00:23 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Suspicious User Agent (Autoupdate)"; flow:to_server,established; content:"User-Agent\: Autoupdate|0d 0a|"; nocase; content:!"Host\: update.nai.com"; nocase; content:!"McAfeeAutoUpdate"; nocase; content:!"nokia.com"; nocase; classtype:trojan-activity; sid:2003337; rev:6;)

Added 2008-01-28 17:24:20 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Suspicious User Agent (Autoupdate)"; flow:to_server,established; content:"User-Agent\: Autoupdate|0d 0a|"; nocase; content:!"Host\: update.nai.com"; nocase; content:!"McAfeeAutoUpdate"; nocase; content:!"nokia.com"; nocase; classtype:trojan-activity; sid:2003337; rev:6;)

Added 2008-01-28 17:24:20 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"BLEEDING-EDGE MALWARE Suspicious User Agent (Autoupdate)"; flow:to_server,established; content:"User-Agent\: Autoupdate|0d 0a|"; nocase; content:!"Host\: update.nai.com"; nocase; content:!"McAfeeAutoUpdate"; nocase; content:!"nokia.com"; nocase; classtype:trojan-activity; sid:2003337; rev:5;)

Added 2007-06-18 22:45:55 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"BLEEDING-EDGE MALWARE Suspcious User Agent (Autoupdate)"; flow:to_server,established; content:"User-Agent\:"; nocase; content:!"Host\: update.nai.com"; nocase; content:!"www.wave.com"; nocase; pcre:"/User-Agent\:[^\n]+Autoupdate/i"; content:!"Gator"; nocase; content:!"McAfeeAutoUpdate"; nocase; classtype:trojan-activity; sid:2003337; rev:4;)

Added 2007-03-14 23:30:23 UTC

I added content:!"McAfeeAutoUpdate"; nocase; to get rid of a false with mcafee updates. If we get any others we need to negate I'll have to consider dropping or re-approaching this sig.

-- MattJonkman - 15 Mar 2007


alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"BLEEDING-EDGE MALWARE Suspcious User Agent (Autoupdate)"; flow:to_server,established; content:"User-Agent\:"; nocase; content:!"Host\: update.nai.com"; nocase; content:!"www.wave.com"; nocase; pcre:"/User-Agent\:[^\n]+Autoupdate/i"; content:!"Gator"; nocase; classtype:trojan-activity; sid:2003337; rev:3;)



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Topic revision: r6 - 2015-01-21 - DavidSzabo
 
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