alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Suspicious User Agent (Autoupdate)"; flow:to_server,established; content:"Autoupdate"; nocase; http_user_agent; depth:10; content:!"update.nai.com"; http_host; content:!"McAfeeAutoUpdate"; nocase; http_user_agent; content:!"nokia.com"; http_host; content:!"sophosupd.com"; http_host; content:!"sophosupd.net"; http_host; content:!" Creative
AutoUpdate? v"; http_header; content:!"wholetomato.com"; http_host; content:!".acclivitysoftware.com"; http_host; reference:url,doc.emergingthreats.net/bin/view/Main/2003337; classtype:trojan-activity; sid:2003337; rev:21; metadata:created_at 2010_07_30, former_category HUNTING, updated_at 2020_11_02;)
Added 2020-11-02 18:29:12 UTC
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Suspicious User Agent (Autoupdate)"; flow:to_server,established; content:"Autoupdate"; nocase; http_user_agent; depth:10; content:!"update.nai.com"; http_host; content:!"McAfeeAutoUpdate"; nocase; http_user_agent; content:!"nokia.com"; http_host; content:!"sophosupd.com"; http_host; content:!"sophosupd.net"; http_host; content:!" Creative
AutoUpdate? v"; http_header; content:!"wholetomato.com"; http_host; content:!".acclivitysoftware.com"; http_host; reference:url,doc.emergingthreats.net/bin/view/Main/2003337; classtype:trojan-activity; sid:2003337; rev:21; metadata:created_at 2010_07_30, former_category HUNTING, updated_at 2020_02_21;)
Added 2020-08-05 19:01:47 UTC
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Suspicious User Agent (Autoupdate)"; flow:to_server,established; content:"Autoupdate"; nocase; http_user_agent; depth:10; content:!"update.nai.com"; http_host; content:!"McAfeeAutoUpdate"; nocase; http_user_agent; content:!"nokia.com"; http_host; content:!"sophosupd.com"; http_host; content:!"sophosupd.net"; http_host; content:!" Creative
AutoUpdate? v"; http_header; content:!"wholetomato.com"; http_host; content:!".acclivitysoftware.com"; http_host; metadata: former_category HUNTING; reference:url,doc.emergingthreats.net/bin/view/Main/2003337; classtype:trojan-activity; sid:2003337; rev:21; metadata:created_at 2010_07_30, updated_at 2020_02_21;)
Added 2020-02-21 18:10:55 UTC
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Suspicious User Agent (Autoupdate)"; flow:to_server,established; content:"Autoupdate"; nocase; http_user_agent; depth:10; content:!"Host|3a 20|update.nai.com"; nocase; content:!"McAfeeAutoUpdate"; nocase; content:!"nokia.com"; nocase; content:!"sophosupd.com"; nocase; http_header; content:!"sophosupd.net"; nocase; http_header; content:!" Creative
AutoUpdate? v"; http_header; content:!"wholetomato.com"; http_header; content:!".acclivitysoftware.com"; http_header; metadata: former_category HUNTING; reference:url,doc.emergingthreats.net/bin/view/Main/2003337; classtype:trojan-activity; sid:2003337; rev:20; metadata:created_at 2010_07_30, updated_at 2019_10_11;)
Added 2019-10-11 19:56:19 UTC
alert http $HOME_NET any -> $EXTERNAL_NET any (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; content:!"McAfeeAutoUpdate"; nocase; content:!"nokia.com"; nocase; content:!"sophosupd.com"; nocase; http_header; content:!"sophosupd.net"; nocase; http_header; content:!" Creative
AutoUpdate? v"; http_header; content:!"wholetomato.com"; http_header; content:!".acclivitysoftware.com"; http_header; metadata: former_category HUNTING; reference:url,doc.emergingthreats.net/bin/view/Main/2003337; classtype:trojan-activity; sid:2003337; rev:19; metadata:created_at 2010_07_30, updated_at 2017_01_05;)
Added 2019-10-09 19:08:39 UTC
alert http $HOME_NET any -> $EXTERNAL_NET any (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; content:!"McAfeeAutoUpdate"; nocase; content:!"nokia.com"; nocase; content:!"sophosupd.com"; nocase; http_header; content:!"sophosupd.net"; nocase; http_header; content:!" Creative
AutoUpdate? v"; http_header; content:!"wholetomato.com"; http_header; content:!".acclivitysoftware.com"; http_header; metadata: former_category ADWARE_PUP; reference:url,doc.emergingthreats.net/bin/view/Main/2003337; classtype:trojan-activity; sid:2003337; rev:19; metadata:created_at 2010_07_30, updated_at 2017_01_05;)
Added 2019-09-26 19:54:50 UTC
alert http $HOME_NET any -> $EXTERNAL_NET any (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; content:!"McAfeeAutoUpdate"; nocase; content:!"nokia.com"; nocase; content:!"sophosupd.com"; nocase; http_header; content:!"sophosupd.net"; nocase; http_header; content:!" Creative
AutoUpdate? v"; http_header; content:!"wholetomato.com"; http_header; content:!".acclivitysoftware.com"; http_header; metadata: former_category MALWARE; reference:url,doc.emergingthreats.net/bin/view/Main/2003337; classtype:trojan-activity; sid:2003337; rev:19; metadata:created_at 2010_07_30, updated_at 2017_01_05;)
Added 2019-08-15 20:32:48 UTC
alert http $HOME_NET any -> $EXTERNAL_NET any (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; content:!"McAfeeAutoUpdate"; nocase; content:!"nokia.com"; nocase; content:!"sophosupd.com"; nocase; http_header; content:!"sophosupd.net"; nocase; http_header; content:!" Creative
AutoUpdate? v"; http_header; content:!"wholetomato.com"; http_header; content:!".acclivitysoftware.com"; http_header; reference:url,doc.emergingthreats.net/bin/view/Main/2003337; classtype:trojan-activity; sid:2003337; rev:18; metadata:created_at 2010_07_30, updated_at 2017_01_05;)
Added 2018-09-13 19:38:44 UTC
Added 2018-09-13 17:53:13 UTC
alert http $HOME_NET any -> $EXTERNAL_NET any (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; content:!"McAfeeAutoUpdate"; nocase; content:!"nokia.com"; nocase; content:!"sophosupd.com"; nocase; http_header; content:!"sophosupd.net"; nocase; http_header; content:!" Creative
AutoUpdate? v"; http_header; content:!"wholetomato.com"; http_header; content:!".acclivitysoftware.com"; http_header; reference:url,doc.emergingthreats.net/bin/view/Main/2003337; classtype:trojan-activity; sid:2003337; rev:18; metadata:created_at 2010_07_30, updated_at 2017_01_05;)
Added 2017-08-07 20:56:38 UTC
alert http $HOME_NET any -> $EXTERNAL_NET any (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; content:!"McAfeeAutoUpdate"; nocase; content:!"nokia.com"; nocase; content:!"sophosupd.com"; nocase; http_header; content:!"sophosupd.net"; nocase; http_header; content:!" Creative
AutoUpdate? v"; http_header; content:!"wholetomato.com"; http_header; content:!".acclivitysoftware.com"; http_header; reference:url,doc.emergingthreats.net/bin/view/Main/2003337; classtype:trojan-activity; sid:2003337; rev:18;)
Added 2017-01-05 17:13:03 UTC
alert http $HOME_NET any -> $EXTERNAL_NET any (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; content:!"McAfeeAutoUpdate"; nocase; content:!"nokia.com"; nocase; content:!"sophosupd.com"; nocase; http_header; content:!"sophosupd.net"; nocase; http_header; content:!" Creative
AutoUpdate? v"; http_header; content:!"wholetomato.com"; http_header; content:!".acclivitysoftware.com|0d 0a|"; http_header; reference:url,doc.emergingthreats.net/bin/view/Main/2003337; classtype:trojan-activity; sid:2003337; rev:17;)
alert http $HOME_NET any -> $EXTERNAL_NET any (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; content:!"McAfeeAutoUpdate"; nocase; content:!"nokia.com"; nocase; content:!"sophosupd.com"; nocase; http_header; content:!"sophosupd.net"; nocase; http_header; content:!" Creative
AutoUpdate? v"; http_header; content:!"wholetomato.com"; http_header; content:!".acclivitysoftware.com|0d 0a|"; http_header; reference:url,doc.emergingthreats.net/bin/view/Main/2003337; classtype:trojan-activity; sid:2003337; rev:17;)
Added 2016-12-19 21:00:11 UTC
alert http $HOME_NET any -> $EXTERNAL_NET any (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; content:!"McAfeeAutoUpdate"; nocase; content:!"nokia.com"; nocase; 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:16;)
Added 2015-01-22 19:15:26 UTC
Rule is fired during normal behavior of legitimate application (
AccountEdge? Pro). Please, add content with negation operator.
PCAP information:
GET /appcast/us/ae14/win/AEUpdate2014.xml HTTP/1.1
Accept:
/
User-Agent:
AutoUpdatePlusAgent?
Host: get.acclivitysoftware.com
Connection: Keep-Alive
HTTP/1.1 200 OK
Date: Tue, 29 Nov 2016 20:47:22 GMT
Content-Type: text/xml
Content-Length: 4010
Connection: keep-alive
.....
<Data intentionally cut>
.....
alert http $HOME_NET any -> $EXTERNAL_NET any (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; content:!"McAfeeAutoUpdate"; nocase; content:!"nokia.com"; nocase; content:!"sophosupd.com"; nocase; http_header; content:!"sophosupd.net"; nocase; http_header; content:!" Creative
AutoUpdate?? v"; http_header; content:!"wholetomato.com"; http_header; CONTENT:!"get.acclivitysoftware.com" http_header; reference:url,doc.emergingthreats.net/bin/view/Main/2003337; classtype:trojan-activity; sid:2003337; rev:16;)
--
MaksymParpaley - 2016-12-19
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;)