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

[Gary Faulkner (JIRA)]

    [ https://bro-tracker.atlassian.net/browse/BIT-1469?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=21953#comment-21953 ] 

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

Sorry, let's try this again with snaplen set to 1514. bad-rdp-04SEP15-2.pcap should have the full packet for the following alerts:

1441381279.831679	Cma3pM3jbrVTDV5Ev8	96.62.17.17	61206	xxx.xxx.64.242	3389	tcp	RDP	Binpac exception: binpac exception: out_of_bound: DT_Data:application_type: 3 > 2
1441381310.466655	C0XEFADoqNaRk8P1h	96.62.17.17	63543	xxx.xxx.62.134	3389	tcp	RDP	Binpac exception: binpac exception: out_of_bound: DT_Data:application_type: 3 > 2
1441381326.717656	Cfg1pMVWT81RwKF52	96.62.17.17	64869	xxx.xxx.193.242	3389	tcp	RDP	Binpac exception: binpac exception: out_of_bound: DT_Data:application_type: 3 > 2

> 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: bad-rdp-04SEP15-2.pcap, bad-rdp-04SEP15.pcap, 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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