alert udp $HOME_NET any -> any 53 (msg:"ET POLICY External IP Lookup Domain (ipapi .co in DNS lookup)"; content:"|01|"; offset:2; depth:1; content:"|00 01 00 00 00 00 00|"; distance:1; within:7; content:"|05|ipapi|02|co|00|"; nocase; distance:0; fast_pattern; metadata: former_category POLICY; classtype:policy-violation; sid:2024527; rev:3; metadata:attack_target Client_Endpoint, deployment Perimeter, tag IP_address_lookup_website, signature_severity Audit, created_at 2017_08_08, performance_impact Low, updated_at 2017_11_02;)

Added 2017-11-03 16:28:22 UTC


alert udp $HOME_NET any -> any 53 (msg:"ET POLICY Observed Dns Query to IP Lookup Domain (ipapi .co)"; content:"|01 00 00 01 00 00 00 00 00 00|"; depth:10; offset:2; content:"|05|ipapi|02|co|00|"; nocase; distance:0; fast_pattern; metadata: former_category POLICY; classtype:policy-violation; sid:2024527; rev:2; metadata:attack_target Client_Endpoint, deployment Perimeter, signature_severity Audit, created_at 2017_08_08, performance_impact Low, updated_at 2017_08_08;)

Added 2017-08-08 17:54:57 UTC


Topic revision: r1 - 2017-11-03 - TWikiGuest
 
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