Rule Library

Sigma Rules

12 rules found for "Tobias Michalski"

3,731Total
3,132Detection
457Emerging
139Hunting
Detectionmediumtest

MSExchange Transport Agent Installation - Builtin

Detects the Installation of a Exchange Transport Agent

Windowsmsexchange-management
Tobias MichalskiTue Jun 08windows
Detectionhightest

Failed MSExchange Transport Agent Installation

Detects a failed installation of a Exchange Transport Agent

Windowsmsexchange-management
Tobias MichalskiTue Jun 08windows
Detectionhightest

Potential Persistence Via Outlook Form

Detects the creation of a new Outlook form which can contain malicious code

WindowsFile Event
Tobias MichalskiThu Jun 10windows
Detectionhightest

Malicious PowerShell Commandlets - ScriptBlock

Detects Commandlet names from well-known PowerShell exploitation frameworks

WindowsPowerShell Script
Sean Metcalf+10Sun Mar 05windows
Detectionhightest

Malicious ShellIntel PowerShell Commandlets

Detects Commandlet names from ShellIntel exploitation scripts.

WindowsPowerShell Script
Max Altgelt (Nextron Systems)+1Mon Aug 09windows
Detectionhightest

Copy From VolumeShadowCopy Via Cmd.EXE

Detects the execution of the builtin "copy" command that targets a shadow copy (sometimes used to copy registry hives that are in use)

WindowsProcess Creation
Max Altgelt (Nextron Systems)+1Mon Aug 09windows
Detectionmediumtest

MSExchange Transport Agent Installation

Detects the Installation of a Exchange Transport Agent

WindowsProcess Creation
Tobias MichalskiTue Jun 08windows
Detectionhightest

Suspicious NTLM Authentication on the Printer Spooler Service

Detects a privilege elevation attempt by coercing NTLM authentication on the Printer Spooler service

WindowsProcess Creation
Elastic Security+1Wed May 04windows
Detectionhightest

Sensitive File Access Via Volume Shadow Copy Backup

Detects a command that accesses the VolumeShadowCopy in order to extract sensitive files such as the Security or SAM registry hives or the AD database (ntds.dit)

WindowsProcess Creation
Max Altgelt (Nextron Systems)+1Mon Aug 09windows
Detectionmediumtest

CrashControl CrashDump Disabled

Detects disabling the CrashDump per registry (as used by HermeticWiper)

WindowsRegistry Set
Tobias MichalskiThu Feb 24windows
Detectionhightest

Potential Persistence Via Outlook Home Page

Detects potential persistence activity via outlook home page. An attacker can set a home page to achieve code execution and persistence by editing the WebView registry keys.

WindowsRegistry Set
Tobias Michalski+2Wed Jun 09windows
Detectionhightest

Potential Persistence Via Outlook Today Page

Detects potential persistence activity via outlook today page. An attacker can set a custom page to execute arbitrary code and link to it via the registry values "URL" and "UserDefinedUrl".

WindowsRegistry Set
Tobias Michalski+2Thu Jun 10windows