""ET TROJAN Observed Win32/Wacapew.A!ml Domain in TLS SNI (zytrox .tk)""

SID: 2032778

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_04_19, deployment Perimeter, signature_severity Major, updated_at 2021_04_19

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: 443

Flow: established,to_server

Contents:

  • Value: "|00 00 09|zytrox.tk|00|"

Within:

PCRE:

Special Options:

  • fast_pattern

source