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SID: 2057891 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 1Nov 27, 2024, 12:00 PM

ET HUNTING Possible Host Profile Exfiltration on High TCP Port

alert tcp-pkt $HOME_NET any -> $EXTERNAL_NET 1024: (msg:"ET HUNTING Possible Host Profile Exfiltration on High TCP Port"; flow:established,to_server; content:"OS|20|Version|3a 20|Microsoft|20|Windows|20|"; startswith; fast_pattern; content:"Edition|3a 20|Microsoft|20|Windows"; distance:0; content:"|20|User|3a 20|"; content:"|20|Domain|3a 20|"; reference:md5,61dfc228a478f21326908f0231ff553c; classtype:misc-activity; sid:2057891; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state plaintext, created_at 2024_11_27, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_11_27;)

Nov 27, 2024, 12:00 PM

Nov 27, 2024, 12:00 PM

Dec 3, 2024, 4:00 PM

Jul 7, 2025, 9:34 PM

rules/emerging-hunting.rules