""ET TROJAN Observed BlackGuard_v2 Domain (umpulumpu .ru) in TLS SNI""
SID: 2035711
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 2022_04_01, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2022_04_01
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: 443
Flow: established,to_server
Contents:
-
Value: "|16|" Depth: 1
-
Value: "|01|"
-
Value: "|00 00 0c|umpulumpu.ru"
Within:
PCRE:
Special Options:
- fast_pattern