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DNP3 - Unexpected Group 3 (Double Bit Binary Input) Variable

 
Signature ID: 4442/0
Original Release:S843
Release:S843 (download)
Original Release Date:2015 January 08
Latest Release Date:2015 January 08
Default Enabled:False
Default Retired:True
Alarm Severity:Medium
Fidelity:65 

Description

This signature detects DNP3 Objects which deviate from the expected structure laid out in the protocol specification by providing unexpected object/variable combinations. This may indicate an attacker is trying to leverage flaws in the DNP3 implementation of a given device/system, a misconfiguration, or non compliant/proprietary modifications to the protocol.You are entitled to use this signature only if you have purchased an IPS SCADA Signature License.

Recommended Filter

There are no suggested filters.

Benign Triggers

There are no known benign triggers.

IntelliShield Alerts

IntelliShield ID Headline VersionCVSS ScoreLast Published
872Supervisory Control And Data Acquisition (SCADA) Error Messages12000 May 01 16:00 GMT

Download

To download this and other IPS update files, please go to Cisco Secure Software Download.

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