Versions (4)
Version DetailsCurrent
Rev: 1 • Jun 29, 2022, 12:00 PMET INFO Observed Microsoft Attack Simulation Training SSL Cert (sharesbyte .com)
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET INFO Observed Microsoft Attack Simulation Training SSL Cert (sharesbyte .com)"; flow:established,to_client; tls.cert_subject; content:"sharesbyte.com"; fast_pattern; pcre:"/CN=(?:[^\r\n]+?\.)?sharesbyte\.com(?!\.)/"; reference:url,docs.microsoft.com/en-us/microsoft-365/security/office-365-security/attack-simulation-training-get-started; classtype:misc-activity; sid:2037198; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_06_29, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_06_29;)
Jun 29, 2022, 12:00 PM
Jun 29, 2022, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 2, 2025, 9:35 PM
rules/emerging-info.rules