""ET MALWARE All Numerical .cn Domain Likely Malware Related""
SID: 2012327
Revision: 6
Class Type: misc-activity
Metadata: created_at 2011_02_21, former_category ADWARE_PUP, updated_at 2019_08_29
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|cn|00|"
-
Value: !"|03|360"
Within: 4
PCRE: "/\x00[\x02-\x1E][0-9]{2,30}\x02cn\x00/i"
Special Options:
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nocase
-
fast_pattern