""ET DNS Query for Suspicious .xe.cx Domain""
SID: 2013862
Revision: 2
Class Type: bad-unknown
Metadata: created_at 2011_11_07, former_category HUNTING, updated_at 2020_09_17
Reference:
Protocol: udp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: 53
Flow:
Contents:
-
Value: "|01|" Depth: 1 Offset: 2
-
Value: "|00 01 00 00 00 00 00|"
-
Value: "|02|xe|02|cx"
Within: 7
PCRE:
Special Options:
-
fast_pattern
-
nocase