Versions (2)
Version DetailsCurrent
Rev: 1 • Mar 13, 2026, 12:00 PMET MALWARE Observed TA453 Domain (transfergocompany .com in TLS SNI)
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed TA453 Domain (transfergocompany .com in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".transfergocompany.com"; endswith; fast_pattern; reference:url,www.proofpoint.com/us/blog/threat-insight/iran-conflict-drives-heightened-espionage-activity-against-middle-east-targets; classtype:trojan-activity; sid:2068222; rev:1; metadata:attack_target Client_Endpoint, created_at 2026_03_13, deployment Perimeter, confidence High, signature_severity Major, tag TA453, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_03_13;)
Mar 13, 2026, 12:00 PM
Mar 13, 2026, 12:00 PM
Mar 13, 2026, 8:34 PM
Mar 15, 2026, 2:34 AM
rules/emerging-malware.rules