""ET SCADA Rockwell RNA Message Large Header Length - 8Kb""

SID: 2049795

Revision: 5

Class Type: attempted-dos

Metadata: attack_target ICS, created_at 2011_09_30, cve CVE_2011_3489, deployment Internal, confidence Medium, signature_severity Major, updated_at 2023_12_27, reviewed_at 2024_03_06, former_sid 2803783

Reference:

Protocol: tcp

Source Network: any

Source Port: !443

Destination Network: $HOME_NET

Destination Port: [1330,1331,1332,4241,4242,4445,4446,5241,6543,9111,60093,49281]

Flow: established,to_server

Contents:

  • Value: "rna|f2|" Depth: 4

Within:

PCRE:

Special Options:

  • fast_pattern

source