Weird turnoff

The Doctor doctor at doctor.nl2k.ab.ca
Mon Oct 2 00:25:32 UTC 2017 

On Mon, Oct 02, 2017 at 02:11:40AM +0200, Polytropon wrote:
> On Sun, 1 Oct 2017 17:25:31 -0600, The Doctor wrote:
> > Could be an attack.
> > 
> > All right.
> > 
> > As of this morning (3 p.m. UTC) my seconday FreeBSD 11.1 server
> > has been going intreface down then up and then unable to route.
> > 
> > Rebooted this system 2 times today.
> > 
> > 
> > What should I bee looking for?
> 
> Primarily the system's log files in /var/log: messages, auth.log,
> security. Also check the output of the periodic scripts (mailed
> to root or another user), do they contain hints to something that
> looks suspicious (SUID changes, system file modifications, etc.)?
>

exactly what I am looking for

I am going to have to do a transcribe as I am opreating from the
potential victim and ssh'ing to this terminal

or ftp the information over


Oct  1 16:56:46 gallifrey kernel: igb0: link state changed to DOWN
Oct  1 17:00:10 gallifrey kernel: igb0: link state changed to UP
Oct  1 17:17:32 gallifrey kernel: igb0: <Intel(R) PRO/1000 Network Connection, Version - 2.5.3-k> port 0x6020-0x603f mem 0xc7120000-0xc713ffff,0xc7144000-0xc7147fff irq 26 at device 0.0 numa-domain 0 on pci3
Oct  1 17:17:32 gallifrey kernel: igb0: Using MSIX interrupts with 9 vectors
Oct  1 17:17:32 gallifrey kernel: igb0: Ethernet address: 0c:c4:7a:ac:51:20
Oct  1 17:17:32 gallifrey kernel: igb0: Bound queue 0 to cpu 0
Oct  1 17:17:32 gallifrey kernel: igb0: Bound queue 1 to cpu 1
Oct  1 17:17:32 gallifrey kernel: igb0: Bound queue 2 to cpu 2
Oct  1 17:17:32 gallifrey kernel: igb0: Bound queue 3 to cpu 3
Oct  1 17:17:32 gallifrey kernel: igb0: Bound queue 4 to cpu 4
Oct  1 17:17:32 gallifrey kernel: igb0: Bound queue 5 to cpu 5
Oct  1 17:17:32 gallifrey kernel: igb0: Bound queue 6 to cpu 6
Oct  1 17:17:32 gallifrey kernel: igb0: Bound queue 7 to cpu 7
Oct  1 17:17:32 gallifrey kernel: igb0: netmap queues/slots: TX 8/1024, RX 8/1024
Oct  1 17:17:32 gallifrey kernel: igb1: <Intel(R) PRO/1000 Network Connection, Version - 2.5.3-k> port 0x6000-0x601f mem 0xc7100000-0xc711ffff,0xc7140000-0xc7143fff irq 28 at device 0.1 numa-domain 0 on pci3
Oct  1 17:17:32 gallifrey kernel: igb1: Using MSIX interrupts with 9 vectors
Oct  1 17:17:32 gallifrey kernel: igb1: Ethernet address: 0c:c4:7a:ac:51:21
Oct  1 17:17:32 gallifrey kernel: igb1: Bound queue 0 to cpu 8
Oct  1 17:17:32 gallifrey kernel: igb1: Bound queue 1 to cpu 9
Oct  1 17:17:32 gallifrey kernel: igb1: Bound queue 2 to cpu 10
Oct  1 17:17:32 gallifrey kernel: igb1: Bound queue 3 to cpu 11
Oct  1 17:17:32 gallifrey kernel: igb1: Bound queue 4 to cpu 0
Oct  1 17:17:32 gallifrey kernel: igb1: Bound queue 5 to cpu 1
Oct  1 17:17:32 gallifrey kernel: igb1: Bound queue 6 to cpu 2
Oct  1 17:17:32 gallifrey kernel: igb1: Bound queue 7 to cpu 3
Oct  1 17:17:32 gallifrey kernel: igb1: netmap queues/slots: TX 8/1024, RX 8/1024
Oct  1 17:17:32 gallifrey kernel: igb0: link state changed to UP
Oct  1 17:17:32 gallifrey kernel: igb1: link state changed to UP
Oct  1 17:17:46 gallifrey kernel: igb1: link state changed to DOWN
Oct  1 17:17:53 gallifrey kernel: igb1: link state changed to UP
Oct  1 17:19:06 gallifrey kernel: igb0: promiscuous mode enabled
Oct  1 17:40:09 gallifrey kernel: igb0: <Intel(R) PRO/1000 Network Connection, Version - 2.5.3-k> port 0x6020-0x603f mem 0xc7120000-0xc713ffff,0xc7144000-0xc7147fff irq 26 at device 0.0 numa-domain 0 on pci3
Oct  1 17:40:09 gallifrey kernel: igb0: Using MSIX interrupts with 9 vectors
Oct  1 17:40:09 gallifrey kernel: igb0: Ethernet address: 0c:c4:7a:ac:51:20
Oct  1 17:40:09 gallifrey kernel: igb0: Bound queue 0 to cpu 0
Oct  1 17:40:09 gallifrey kernel: igb0: Bound queue 1 to cpu 1
Oct  1 17:40:09 gallifrey kernel: igb0: Bound queue 2 to cpu 2
Oct  1 17:40:09 gallifrey kernel: igb0: Bound queue 3 to cpu 3
Oct  1 17:40:09 gallifrey kernel: igb0: Bound queue 4 to cpu 4
Oct  1 17:40:09 gallifrey kernel: igb0: Bound queue 5 to cpu 5
Oct  1 17:40:09 gallifrey kernel: igb0: Bound queue 6 to cpu 6
Oct  1 17:40:09 gallifrey kernel: igb0: Bound queue 7 to cpu 7
Oct  1 17:40:09 gallifrey kernel: igb0: netmap queues/slots: TX 8/1024, RX 8/1024
Oct  1 17:40:09 gallifrey kernel: igb1: <Intel(R) PRO/1000 Network Connection, Version - 2.5.3-k> port 0x6000-0x601f mem 0xc7100000-0xc711ffff,0xc7140000-0xc7143fff irq 28 at device 0.1 numa-domain 0 on pci3
Oct  1 17:40:09 gallifrey kernel: igb1: Using MSIX interrupts with 9 vectors
Oct  1 17:40:09 gallifrey kernel: igb1: Ethernet address: 0c:c4:7a:ac:51:21
Oct  1 17:40:09 gallifrey kernel: igb1: Bound queue 0 to cpu 8
Oct  1 17:40:09 gallifrey kernel: igb1: Bound queue 1 to cpu 9
Oct  1 17:40:09 gallifrey kernel: igb1: Bound queue 2 to cpu 10
Oct  1 17:40:09 gallifrey kernel: igb1: Bound queue 3 to cpu 11
Oct  1 17:40:09 gallifrey kernel: igb1: Bound queue 4 to cpu 0
Oct  1 17:40:09 gallifrey kernel: igb1: Bound queue 5 to cpu 1
Oct  1 17:40:09 gallifrey kernel: igb1: Bound queue 6 to cpu 2
Oct  1 17:40:09 gallifrey kernel: igb1: Bound queue 7 to cpu 3
Oct  1 17:40:09 gallifrey kernel: igb1: netmap queues/slots: TX 8/1024, RX 8/1024
Oct  1 17:40:09 gallifrey kernel: igb0: link state changed to UP
Oct  1 17:40:09 gallifrey kernel: igb1: link state changed to UP
Oct  1 17:41:25 gallifrey kernel: igb0: promiscuous mode enabled
Oct  1 09:02:49 gallifrey kernel: igb0: link state changed to DOWN
Oct  1 09:06:13 gallifrey kernel: igb0: link state changed to UP
Oct  1 12:04:48 gallifrey kernel: igb0: <Intel(R) PRO/1000 Network Connection, Version - 2.5.3-k> port 0x6020-0x603f mem 0xc7120000-0xc713ffff,0xc7144000-0xc7147fff irq 26 at device 0.0 numa-domain 0 on pci3
Oct  1 12:04:48 gallifrey kernel: igb0: Using MSIX interrupts with 9 vectors
Oct  1 12:04:48 gallifrey kernel: igb0: Ethernet address: 0c:c4:7a:ac:51:20
Oct  1 12:04:48 gallifrey kernel: igb0: Bound queue 0 to cpu 0
Oct  1 12:04:48 gallifrey kernel: igb0: Bound queue 1 to cpu 1
Oct  1 12:04:48 gallifrey kernel: igb0: Bound queue 2 to cpu 2
Oct  1 12:04:48 gallifrey kernel: igb0: Bound queue 3 to cpu 3
Oct  1 12:04:48 gallifrey kernel: igb0: Bound queue 4 to cpu 4
Oct  1 12:04:48 gallifrey kernel: igb0: Bound queue 5 to cpu 5
Oct  1 12:04:48 gallifrey kernel: igb0: Bound queue 6 to cpu 6
Oct  1 12:04:48 gallifrey kernel: igb0: Bound queue 7 to cpu 7
Oct  1 12:04:48 gallifrey kernel: igb0: netmap queues/slots: TX 8/1024, RX 8/1024
Oct  1 12:04:48 gallifrey kernel: igb1: <Intel(R) PRO/1000 Network Connection, Version - 2.5.3-k> port 0x6000-0x601f mem 0xc7100000-0xc711ffff,0xc7140000-0xc7143fff irq 28 at device 0.1 numa-domain 0 on pci3
Oct  1 12:04:48 gallifrey kernel: igb1: Using MSIX interrupts with 9 vectors
Oct  1 12:04:48 gallifrey kernel: igb1: Ethernet address: 0c:c4:7a:ac:51:21
Oct  1 12:04:48 gallifrey kernel: igb1: Bound queue 0 to cpu 8
Oct  1 12:04:48 gallifrey kernel: igb1: Bound queue 1 to cpu 9
Oct  1 12:04:48 gallifrey kernel: igb1: Bound queue 2 to cpu 10
Oct  1 12:04:48 gallifrey kernel: igb1: Bound queue 3 to cpu 11
Oct  1 12:04:48 gallifrey kernel: igb1: Bound queue 4 to cpu 0
Oct  1 12:04:48 gallifrey kernel: igb1: Bound queue 5 to cpu 1
Oct  1 12:04:48 gallifrey kernel: igb1: Bound queue 6 to cpu 2
Oct  1 12:04:48 gallifrey kernel: igb1: Bound queue 7 to cpu 3
Oct  1 12:04:48 gallifrey kernel: igb1: netmap queues/slots: TX 8/1024, RX 8/1024
Oct  1 12:04:48 gallifrey kernel: igb0: link state changed to UP
Oct  1 12:16:01 gallifrey kernel: igb0: link state changed to DOWN
Oct  1 12:19:26 gallifrey kernel: igb0: link state changed to UP

Nothing in the auth.log that I can see as an issue.

Also, how do I turn routing / ifconfig back on?

Rebooting is not that fun

> 
> 
> -- 
> Polytropon
> Magdeburg, Germany
> Happy FreeBSD user since 4.0
> Andra moi ennepe, Mousa, ...
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-- 
Member - Liberal International This is doctor@@nl2k.ab.ca Ici doctor@@nl2k.ab.ca
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