alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO External IP Lookup (tinytools.nu)"; flow:established,to_server; http.uri; content:"/MyIPAddress/"; nocase; http.host; bsize:16; content:"www.tinytools.nu"; fast_pattern; classtype:external-ip-check; sid:2023520; rev:5; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_11_17, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2024_03_25, mitre_tactic_id TA0007, mitre_tactic_name Discovery, mitre_technique_id T1614, mitre_technique_name System_Location_Discovery;)