##alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET DELETED .pdf File Possibly Containing Basic Hex Obfuscation"; flow:established,from_server; content:"PDF-"; depth:300; pcre:"/PDF-.+[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F]/si"; reference:url,isc.sans.org/diary.html?storyid=7903; reference:url,isc.sans.org/diary.html?storyid=7906; reference:url,doc.emergingthreats.net/2010884; classtype:misc-activity; sid:2010884; rev:4;)

Added 2011-10-12 19:30:49 UTC

##alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET DELETED .pdf File Possibly Containing Basic Hex Obfuscation"; flow:established,from_server; content:"PDF-"; depth:300; pcre:"/PDF-.+[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F]/si"; classtype:misc-activity; reference:url,isc.sans.org/diary.html?storyid=7903; reference:url,isc.sans.org/diary.html?storyid=7906; reference:url,doc.emergingthreats.net/2010884; sid:2010884; rev:4;)

Added 2011-09-14 22:43:58 UTC

##alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET DELETED .pdf File Possibly Containing Basic Hex Obfuscation"; flow:established,from_server; content:"PDF-"; depth:300; pcre:"/PDF-.+[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F]/si"; classtype:misc-activity; reference:url,isc.sans.org/diary.html?storyid=7903; reference:url,isc.sans.org/diary.html?storyid=7906; reference:url,doc.emergingthreats.net/2010884; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/POLICY/POLICY_PDF; sid:2010884; rev:4;)

Added 2011-04-12 14:06:59 UTC

##alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET DELETED .pdf File Possibly Containing Basic Hex Obfuscation"; flow:established,from_server; content:"PDF-"; nocase; depth:300; pcre:"/PDF-.+[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F]/si"; classtype:misc-activity; reference:url,isc.sans.org/diary.html?storyid=7903; reference:url,isc.sans.org/diary.html?storyid=7906; reference:url,doc.emergingthreats.net/2010884; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/POLICY/POLICY_PDF; sid:2010884; rev:3;)

Added 2011-02-04 17:30:34 UTC

#alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET POLICY .pdf File Possibly Containing Basic Hex Obfuscation"; flow:established,from_server; content:"PDF-"; nocase; depth:300; pcre:"/PDF-.+[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F]/si"; classtype:misc-activity; reference:url,isc.sans.org/diary.html?storyid=7903; reference:url,isc.sans.org/diary.html?storyid=7906; reference:url,doc.emergingthreats.net/2010884; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/POLICY/POLICY_PDF; sid:2010884; rev:3;)

Added 2010-03-11 14:31:47 UTC

#alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET POLICY .pdf File Possibly Containing Basic Hex Obfuscation"; flow:established,from_server; content:"PDF-"; nocase; depth:300; pcre:"/PDF-.+[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F]/si"; classtype:misc-activity; reference:url,isc.sans.org/diary.html?storyid=7903; reference:url,isc.sans.org/diary.html?storyid=7906; reference:url,doc.emergingthreats.net/2010884; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/POLICY/POLICY_PDF; sid:2010884; rev:3;)

Added 2010-03-11 14:31:47 UTC

#alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET POLICY .pdf File Possibly Containing Basic Hex Obfuscation"; flow:established,from_server; content:"PDF-"; nocase; depth:300; pcre:"/PDF-.+[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F]/si"; classtype:misc-activity; reference:url,isc.sans.org/diary.html?storyid=7903; reference:url,isc.sans.org/diary.html?storyid=7906; reference:url,doc.emergingthreats.net/2010884; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/POLICY/POLICY_PDF; sid:2010884; rev:3;)

Added 2010-03-11 14:30:52 UTC

#alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET POLICY .pdf File Possibly Containing Basic Hex Obfuscation"; flow:established,from_server; content:"PDF-"; nocase; depth:300; pcre:"/PDF-.+[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F]/si"; classtype:misc-activity; reference:url,isc.sans.org/diary.html?storyid=7903; reference:url,isc.sans.org/diary.html?storyid=7906; reference:url,doc.emergingthreats.net/2010884; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/POLICY/POLICY_PDF; sid:2010884; rev:3;)

Added 2010-03-11 14:30:52 UTC

#alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET POLICY .pdf File Possibly Containing Basic Hex Obfuscation"; content:"PDF-"; nocase; depth:300; pcre:"/PDF-.+[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F].[0-9,A-F][0-9,A-F]/si"; classtype:misc-activity; reference:url,isc.sans.org/diary.html?storyid=7903; reference:url,isc.sans.org/diary.html?storyid=7906; reference:url,doc.emergingthreats.net/2010884; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/POLICY/POLICY_PDF; sid:2010884; rev:2;)

Added 2010-03-08 13:53:45 UTC