full-disclosure - Re: Weird traffic

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date: Wed, 25 Feb 2009 20:42:04 +0200
From: James Matthews <nytrokiss@...il.com>
To: julio sanchez <pete.sanches@...il.com>
Cc: full-disclosure@...ts.grok.org.uk
Subject: Re: Weird traffic

If you have a large paste can you please put it in a pastebin.

On Wed, Feb 25, 2009 at 7:50 PM, julio sanchez <pete.sanches@...il.com>wrote:

> No IDS alert yet.
> What alerted us was the constant ARP loop scan on various vista sp1 box
> while we was monitoring the network
> I'll send a pcap in one hour or twoThanks
> 2009/2/25 B Null <bnull@...enseindepth.com>
>
>> Can you provide a pcap with the suspect traffic isolated?  Also, what
>> alerted you to the odd behavior?  Did the traffic flag an IDS alert?
>>
>> bNull
>>
>> On Wed, Feb 25, 2009 at 9:27 AM, julio sanchez <pete.sanches@...il.com>wrote:
>>
>>> Hi,
>>>
>>> We're experiencing some weird arp traffic on our network, some box scan
>>> constantly the subnets with loop "who-has" request
>>> All the box are all windows vista sp1 fully patched.
>>> We did format all the  supect box, and isolate them on a vlan, to
>>> reinstall vista, updates, kaspersky, then we put it back on the network, and
>>> still some ramdom freshly formated box scanning the network.
>>> We find out that Vista will do an arp scan when it search for a network
>>> printer, but it does this once.
>>> The problem we have is an almost permanent arp scan on various boxs.
>>> We know that some worm was hitting some network around the world with the
>>> smb vulnerability, but all of our boxs are fully updated.
>>> Have you experienced something like this before, or it seems to be legit
>>> traffic ?
>>> Can this be a worm or something related ?
>>>
>>> Thanks in advance
>>>
>>> Pete
>>>
>>> _______________________________________________
>>> Full-Disclosure - We believe in it.
>>> Charter: http://lists.grok.org.uk/full-disclosure-charter.html
>>> Hosted and sponsored by Secunia - http://secunia.com/
>>>
>>
>>
>
> _______________________________________________
> Full-Disclosure - We believe in it.
> Charter: http://lists.grok.org.uk/full-disclosure-charter.html
> Hosted and sponsored by Secunia - http://secunia.com/
>



-- 
http://www.goldwatches.com/

http://www.jewelerslounge.com/

Content of type "text/html" skipped

_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/