[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 08:33:00 PDT 2015
[ https://bro-tracker.atlassian.net/browse/BIT-1469?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=21952#comment-21952 ]
Gary Faulkner edited comment on BIT-1469 at 9/4/15 10:32 AM:
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I'm attaching a new pcap that should have the packets that triggered the following 3 log entries:
1441380002.167146 CmS94x2tcBToBTE1Rc 96.62.17.17 25347 xxx.xxx.98.199 3389 tcp RDP Binpac exception: binpac exception: out_of_bound: DT_Data:application_type: 3 > 2
1441380035.230494 CkAfMN3ZndOhBJCs7d 96.62.17.17 27894 xxx.xxx.64.242 3389 tcp RDP Binpac exception: binpac exception: out_of_bound: DT_Data:application_type: 3 > 2
1441380086.101330 CTOK0y3yGu8YAq3MNi 96.62.17.17 31730 xxx.xxx.193.242 3389 tcp RDP Binpac exception: binpac exception: out_of_bound: DT_Data:application_type: 3 > 2
bad-rdp-04SEP15.pcap should have the above 3 conversations.
was (Author: gfaulkner):
I'm attaching a new pcap that should have the packets that triggered the following 3 log entries:
1441380002.167146 CmS94x2tcBToBTE1Rc 96.62.17.17 25347 xxx.xxx.98.199 3389 tcp RDP Binpac exception: binpac exception: out_of_bound: DT_Data:application_type: 3 > 2
1441380035.230494 CkAfMN3ZndOhBJCs7d 96.62.17.17 27894 xxx.xxx.64.242 3389 tcp RDP Binpac exception: binpac exception: out_of_bound: DT_Data:application_type: 3 > 2
1441380086.101330 CTOK0y3yGu8YAq3MNi 96.62.17.17 31730 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.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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