""ET TROJAN Observed Evrial Domain (cryptoclipper .ru in TLS SNI)""

SID: 2025201

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 2018_01_16, deployment Perimeter, malware_family Evrial, performance_impact Moderate, signature_severity Major, updated_at 2018_01_16

Reference:

  • md5

  • 5a71cc1c1ea541eb47638218a25c4123

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: 443

Flow: established,to_server

Contents:

  • Value: "|00 00 10|cryptoclipper.ru"

Within:

PCRE:

Special Options:

  • fast_pattern

  • nocase

source