Versions (3)
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Rev: 2 • Apr 27, 2022, 12:00 PMET HUNTING Suspicious SSL Certificate detected (Observed in US Government Bid Credential Phish)
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET HUNTING Suspicious SSL Certificate detected (Observed in US Government Bid Credential Phish)"; flow:established,to_client; tls.cert_subject; content:".gov.procurement."; fast_pattern; pcre:"/CN=(?:[^\r\n]+?\.)?\.gov\.procurement\.(?!\.)/"; classtype:bad-unknown; sid:2036393; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_04_27, deployment Perimeter, confidence Medium, signature_severity Informational, updated_at 2023_05_09;)
Apr 27, 2022, 12:00 PM
May 9, 2023, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-hunting.rules