Versions (3)
Version DetailsCurrent
Rev: 1 • May 16, 2024, 12:00 PMET INFO Observed Abused File Sharing/CRM Platform (flg .to in TLS SNI)
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed Abused File Sharing/CRM Platform (flg .to in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".flg.to"; endswith; fast_pattern; classtype:misc-activity; sid:2052636; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_05_16, deployment Perimeter, confidence High, signature_severity Informational, tag TA_Abused_Service, updated_at 2024_05_16;)
May 16, 2024, 12:00 PM
May 16, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 21, 2024, 3:00 AM
rules/emerging-info.rules