alert udp $EXTERNAL_NET any -> $HOME_NET 1900 (msg:"ET EXPLOIT UPnP DLink M-Search Overflow Attempt"; content:"M-SEARCH "; depth:9; nocase; isdataat:500,relative; pcre:"/M-SEARCH\s+[^\n]{500}/i"; reference:url,www.eeye.com/html/research/advisories/AD20060714.html; classtype:attempted-user; sid:2003039; rev:4; metadata:created_at 2010_07_30, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)