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Forums › Spark New Zealand (including Skinny and BigPipe) › Bigpipe DNS cache pollution?
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zks

zks

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  #2242323 21-May-2019 13:16
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freitasm: Yes but keep other computers off until password changed.

 

 

 

You say computers, do I need to keep my phone/pad off as well? 

 

Thank you!



michaelmurfy
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  #2242351 21-May-2019 14:11
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@zks you have a PM - it is important so read it carefully.

 

To everyone else. Once I have permission from the OP and the issue has been mitigated I'll post what has been found.




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cddt
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  #2242375 21-May-2019 15:06
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michaelmurfy:

@zks you have a PM - it is important so read it carefully.

 

To everyone else. Once I have permission from the OP and the issue has been mitigated I'll post what has been found.

 

 

Curiouser and curiouser!



michaelmurfy
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  #2242414 21-May-2019 15:11
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As promised - without disclosing too many details there was a infected cheap Chinese DVR with a set, default root password, and several backdoor user accounts running on the OP's network. There is malware running on it and I suspect it has been doing some nasty things. I am not 100% sure what kind of malware it was running but looks to be linked to the Mirai botnet. It is bad, without authentication I could view the cameras.

 

This is why folks you NEVER port forward to any DVR's especially those purchased off ebay / aliexpress. You're just asking for trouble if you do. More expensive, name brand DVR's have their own secure cloud solution and others should only be accessed via a VPN.

 

@sbiddle posted an excellent blog post here: https://www.geekzone.co.nz/sbiddle/8941




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  #2242443 21-May-2019 16:02
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And I wonder how much Geeks on Wheels or similar services may have charged to fix it if they would have even found it.
Standard going rate would be $180-200 per hour if you're lucky to find someone good.

freitasm
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  #2242578 21-May-2019 18:30
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I am locking because this is now solved and it is not a Bigpipe problem.




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