""ET TROJAN Observed TA444 Domain (pre .alwayswait .site) in TLS SNI""

SID: 2048137

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_09_20, deployment Perimeter, malware_family TA444, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_09_20, reviewed_at 2023_09_20

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 13|pre.alwayswait.site"

Within: 8

PCRE:

Special Options:

  • fast_pattern

source