I've been freaking physically ill from the stress and uncertainty for days now.Īnyone else see this weird behaviour with the latest MSERT?ĮDIT: Anyone running into the same behaviour, please check the comments. I'm running the scan again now to see what happens but I'm just so done with all of this. Literally nothing on the Exchange server has changed except that I've downloaded some baselines from Microsoft's own Git to run the CompareExchangeHashes.ps1 script. The scan completes and it says completed successfully and no viruses found. I also manually check for webshells, both come up clean except for 1 Autodiscover probe on 3-3 I already knew about. Meanwhile I check Test-ProxyLogon to verify there have been no additional probes. So my stomach drops and I wait for the scan to finish so I can see which files are infected. It's always come back clean but now suddenly mid-scan it displays "Files infected: 7". As in, I re-download the MSERT every day for most updated definitions. Due to the Exchange vulnerability I've been running an updated version of the MSERT scan every evening. On PowerShell version 3.0 you can do: #Requires -Version 3.0 $scriptrootpath = Split-Path -parent $MyInvocation. I’ve automated this task with a small PowerShell script that runs as a scheduled task under a specific domain user account who has his proxy settings configured: The 32bit and 64bit file can be dowloaded from the following locations: Here’s what I did (I was using powershell V2 at that time): I won’t have been able to achieve this task without PowerShell □ While investigating an APT (Advanced Persistent Threat) in September, the CSO in my organisation asked me to run the free MSERT tool in ‘detect-only’ mode on both Windows XP (32bit) and Windows 7 (64bit) workstations. That said, let me also share my recent experience about it □ The original locations of the MSERT site are:
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |