Shoot, I forgot one important IOC. Look for troll comments dropped in cmd.exe. The hacker left us this lovely "lol" statement.

On Fri, Apr 28, 2023, 8:09 PM Dustin Udy <d.udy@utah.edu> wrote:
Seems like the same technique we saw.

Dustin

From: USHE-ISO <ushe-iso-bounces@lists.dixie.edu> on behalf of Eric Bennick via USHE-ISO <ushe-iso@lists.dixie.edu>
Sent: Friday, April 28, 2023 7:57:52 PM
To: ushe-iso@lists.dixie.edu <ushe-iso@lists.dixie.edu>
Subject: Re: [USHE-ISO] Compromised account activity
 
Tuesday, actually. That's what happens when you lose a night of sleep.

On Fri, Apr 28, 2023, 7:51 PM Eric Bennick <ebennick@weber.edu> wrote:
We had a compromised account on our VPN which ran scans on port 22 and connected to any devices with SSH listening. It was also talking out to other institutions, so I've included log info from our DNS servers so you can check for activity.

Screenshot 2023-04-28 194746.png