""ET TROJAN APT41 CnC Domain (c .ymvh8w5 .xyz) in DNS Lookup""
SID: 2039768
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 2022_11_11, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2022_11_11
Reference:
Protocol: udp
Source Network: $HOME_NET
Source Port: any
Destination Network: any
Destination Port: 53
Flow:
Contents:
-
Value: "|01|" Depth: 1 Offset: 2
-
Value: "|00 01 00 00 00 00 00|"
-
Value: "|01|c|07|ymvh8w5|03|xyz|00|"
Within: 15
PCRE:
Special Options:
-
nocase
-
fast_pattern