""ET DNS Query for Suspicious .ch.tf Domain""
SID: 2013859
Revision: 3
Class Type: bad-unknown
Metadata: created_at 2011_11_07, updated_at 2024_01_30, reviewed_at 2024_04_09
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: "|02|ch|02|tf"
Within: 7
PCRE:
Special Options:
-
fast_pattern
-
nocase