alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT DotkaChef Landing URI Struct"; flow:established,to_server; flowbits:set,et.exploitkitlanding; http.uri; content:"/?"; content:"LvoDc0RHa8NnZ"; fast_pattern; endswith; pcre:"/\/\?={0,2}[A-Za-z0-9\+\/]+?LvoDc0RHa8NnZ$/"; reference:url,www.kahusecurity.com/2013/analyzing-dotkachef-exploit-pack/; classtype:exploit-kit; sid:2017893; rev:6; metadata:created_at 2013_12_21, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_17;)