""ET POLICY DNS Query for Observed CVE-2021-44228 Security Scanner Domain (dns .cyberwar .nl)""
SID: 2034829
Revision: 2
Class Type: policy-violation
Metadata: attack_target Client_and_Server, created_at 2021_12_21, cve CVE_2021_44228, deployment Perimeter, signature_severity Informational, updated_at 2021_12_21
Reference:
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cve
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2021-44228
Protocol: udp
Source Network: $HOME_NET
Source Port: any
Destination Network: any
Destination Port: 53
Flow:
Contents:
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Value: "|01|" Depth: 1 Offset: 2
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Value: "|00 01 00 00 00 00 00|"
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Value: "|03|dns|08|cyberwar|02|nl|00|"
Within: 7
PCRE:
Special Options:
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nocase
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fast_pattern