""ET TROJAN IIStealer CnC Domain in DNS Lookup (xinxx .allsoulu .com)""
SID: 2033705
Revision: 2
Class Type: trojan-activity
Metadata: attack_target Web_Server, created_at 2021_08_11, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2021_08_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: "|05|xinxx|08|allsoulu|03|com|00|"
Within: 20
PCRE:
Special Options:
-
nocase
-
fast_pattern