""ET TROJAN DNS Query to Kryptic Fake App Domain (cctvv2023 .9hlw .com)""
SID: 2054583
Revision: 1
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2024_07_18, deployment Perimeter, signature_severity Major, updated_at 2024_07_18
Reference:
-
md5
-
c8e6cd1fb6f5dfe1ab548024a7f67043
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: "|09|cctvv2023|04|9hlw|03|com|00|"
Within: 20
PCRE:
Special Options:
-
fast_pattern
-
nocase