[Bro-Dev] [JIRA] (BIT-1469) dpd.log contains lots of binpac exceptions for RDP

Gary Faulkner (JIRA) jira at bro-tracker.atlassian.net
Fri Sep 4 07:57:00 PDT 2015


    [ https://bro-tracker.atlassian.net/browse/BIT-1469?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=21951#comment-21951 ] 

Gary Faulkner commented on BIT-1469:
------------------------------------

I can try to get another capture of the scanning activity if it would help.




> dpd.log contains lots of binpac exceptions for RDP
> --------------------------------------------------
>
>                 Key: BIT-1469
>                 URL: https://bro-tracker.atlassian.net/browse/BIT-1469
>             Project: Bro Issue Tracker
>          Issue Type: Problem
>          Components: BinPAC, Bro
>    Affects Versions: git/master
>         Environment: RHEL  6.6, 2.4-10 bro build from git
>            Reporter: Gary Faulkner
>              Labels: analyzer
>             Fix For: 2.5
>
>         Attachments: rdp-31AUG15.pcap
>
>
> RDP scanners seem to generate a lot of binpac errors in dpd.log for RDP connections.
> The following log line is an example of the error that repeats continuously during the activity:
> 1441031469.413008	CPNcey4q2i8mGVUvEg	74.91.23.83	62082	10.10.81.207	3389	tcp	RDP	Binpac exception: binpac exception: out_of_bound: DT_Data:application_type: 3 > 2
> The 10.x.x.x IP is the redacted local IP. The other IP is the scanner.



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