""ET MALWARE All Numerical .ru Domain Lookup Likely Malware Related""
SID: 2012328
Revision: 8
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|ru|00|"
-
Value: !"|03|101|02|ru"
-
Value: !"|07|9366858|02|ru"
Within: 7
PCRE: "/\x00[\x02-\x1E][0-9]{2,30}\x02ru\x00/i"
Special Options:
-
fast_pattern
-
nocase