""ET INFO Commonly Actor Abused Online Service Domain (cdn .ethers .io)""
SID: 2053729
Revision: 1
Class Type: misc-activity
Metadata: attack_target Client_Endpoint, created_at 2024_06_18, deployment Perimeter, signature_severity Major, tag TA_Abused_Service, updated_at 2024_06_18
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: "|03|cdn|06|ethers|02|io|00|"
Within: 7
PCRE:
Special Options:
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fast_pattern
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nocase