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Rev: 3 • Jan 12, 2021, 12:00 PMET POLICY Observed KnowBe4/Popcorn Training Simulated Phish Landing Page M4
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET POLICY Observed KnowBe4/Popcorn Training Simulated Phish Landing Page M4"; flow:established,to_client; file.data; content:"|3c|div|20|class|3d 22|disclaimer|22 3e 0d 0a 3c|p|3e|Please|20|Note|3a 20|This|20|message|20|came|20|from|20|KnowBe4|2c 20|Inc|2e 20|"; threshold:type limit, track by_dst, count 1, seconds 120; classtype:credential-theft; sid:2031519; rev:3; metadata:attack_target Client_Endpoint, created_at 2021_01_12, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_12_23;)
Jan 12, 2021, 12:00 PM
Dec 23, 2021, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 15, 2025, 9:36 PM
rules/emerging-policy.rules