""ET EXPLOIT Windows DNS Server RCE Attempt Inbound (CVE-2021-26897)""
SID: 2032348
Revision: 1
Class Type: attempted-admin
Metadata: attack_target DNS_Server, created_at 2021_03_30, cve CVE_2021_26897, deployment Perimeter, deployment Internal, signature_severity Major, updated_at 2021_03_30
Reference:
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cve
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2021-26897
Protocol: tcp
Source Network: any
Source Port: any
Destination Network: $DNS_SERVERS
Destination Port: 53
Flow:
Contents:
- Value: "|29 00|" Depth: 2 Offset: 2
Within:
PCRE:
Special Options: