alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET POLICY MOBILE Apple device leaking UDID from SpringBoard"; flow:established,to_server; http.user_agent; content:" CFNetwork/"; content:" Darwin/"; http.request_body; content:"UDID"; fast_pattern; nocase; pcre:"/[0-9a-f]{40}[^0-9a-f]/"; reference:url,www.innerfence.com/howto/find-iphone-unique-device-identifier-udid; reference:url,support.apple.com/kb/HT4061; classtype:attempted-recon; sid:2013289; rev:8; metadata:created_at 2011_07_19, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_13;)