This commit is contained in:
Nasreddine Bencherchali
2022-08-22 11:14:08 +01:00
parent 00383708ce
commit bb51bb4bd4
@@ -11,7 +11,7 @@ references:
- https://docs.microsoft.com/en-us/previous-versions/windows/it-pro/windows-2000-server/cc959352(v=technet.10)?redirectedfrom=MSDN
- https://twitter.com/frack113/status/1555830623633375232
date: 2022/08/07
modified: 2022/08/12
modified: 2022/08/22
logsource:
category: process_creation
product: windows
@@ -20,14 +20,18 @@ detection:
Image|contains:
- '~1\'
- '~2\'
filter:
filter_other:
- ParentImage:
- C:\Windows\System32\Dism.exe
- C:\Windows\System32\cleanmgr.exe # Spawns DismHost.exe with a shortened username (if too long)
- ParentImage|endswith:
- '\WebEx\WebexHost.exe' # Spawns a shortened version of the CLI and Image processes
- '\thor\thor64.exe'
condition: selection and not filter
filter_installshield:
- Product: 'InstallShield (R)'
- Description: 'InstallShield (R) Setup Engine'
- Company: 'InstallShield Software Corporation'
condition: selection and not 1 of filter_*
falsepositives:
- Applications could use this notation occasionally which might generate some false positives. In that case Investigate the parent and child process.
level: high