""ET CURRENT_EVENTS TA453 Domain in TLS SNI (flow-exulltation-uplift .top)""

SID: 2054981

Revision: 1

Class Type: misc-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2024_08_07, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag TA453, updated_at 2024_08_07, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: 443

Flow: established,to_server

Contents:

  • Value: "|16|"

  • Value: "|01|"

  • Value: "|00 00|"

  • Value: "|00|"

  • Value: "flow-exulltation-uplift.top"

Within: 1

PCRE: "/^(?:\x00\x1b|.\x2e)flow-exulltation-uplift.top/R"

Special Options:

source