""ET INFO Possible NOP Sled Observed in Large DNS over TCP Packet M1""
SID: 2030524
Revision: 1
Class Type: attempted-admin
Metadata: affected_product Windows_DNS_server, created_at 2020_07_15, performance_impact Significant, signature_severity Informational, tag possible_exploitation, updated_at 2020_07_15
Reference:
Protocol: tcp
Source Network: any
Source Port: any
Destination Network: any
Destination Port: 53
Flow: established,to_server
Contents:
- Value: "|90 90 90 90 90 90 90 90|"
Within:
PCRE:
Special Options:
- fast_pattern