Detections

Explore public detection logic contributed by the community across SIEM and rule languages.

1,264 detections

Detects Obfuscated Powershell via VAR++ LAUNCHER
avatar
SigmaHQ Detections@sigmaHQ
avatar
SigmaHQ
6 months ago
000
Detects the execution of UACMe, a tool used for UAC bypasses, via default PE metadata
avatar
SigmaHQ Detections@sigmaHQ
avatar
SigmaHQ
6 months ago
000
Detects the use of iexpress.exe to create binaries via Self Extraction Directive (SED) files located in potentially suspicious locations.
This behavior has been observed in-the-wild by different threat actors.
avatar
SigmaHQ Detections@sigmaHQ
avatar
SigmaHQ
6 months ago
000
Detects usage of "IMEWDBLD.exe" to download arbitrary files
avatar
SigmaHQ Detections@sigmaHQ
avatar
SigmaHQ
6 months ago
000
Detects code execution via Pester.bat (Pester - Powershell Modulte for testing)
avatar
SigmaHQ Detections@sigmaHQ
avatar
SigmaHQ
6 months ago
000
Executes arbitrary PowerShell code using SyncAppvPublishingServer.exe.
avatar
SigmaHQ Detections@sigmaHQ
avatar
SigmaHQ
6 months ago
000
Detects malicious behavior where the MMC utility (`mmc.exe`) executes files with reversed extensions caused by Right-to-Left Override (RLO) abuse, disguising them as document formats.
avatar
SigmaHQ Detections@sigmaHQ
avatar
SigmaHQ
6 months ago
000
Detects processes leveraging the "ms-msdt" handler or the "msdt.exe" binary to execute arbitrary commands as seen in the follina (CVE-2022-30190) vulnerability
avatar
SigmaHQ Detections@sigmaHQ
avatar
SigmaHQ
6 months ago
000
Detects execution of msdt.exe using the "cab" flag which could indicates suspicious diagcab files with embedded answer files leveraging CVE-2022-30190
avatar
SigmaHQ Detections@sigmaHQ
avatar
SigmaHQ
6 months ago
000
Detects usage of Msiexec.exe to install packages hosted remotely quietly
avatar
SigmaHQ Detections@sigmaHQ
avatar
SigmaHQ
6 months ago
000
Detects a when net.exe is called with a password in the command line
avatar
SigmaHQ Detections@sigmaHQ
avatar
SigmaHQ
6 months ago
000
Detects execution of "odbcconf" where the path of the DLL being registered is located in a potentially suspicious location.
avatar
SigmaHQ Detections@sigmaHQ
avatar
SigmaHQ
6 months ago
000
Detects suspicious UTF16 and base64 encoded and often obfuscated PowerShell code often used in command lines
avatar
SigmaHQ Detections@sigmaHQ
avatar
SigmaHQ
6 months ago
000
Detects the presence of reversed PowerShell commands in the CommandLine. This is often used as a method of obfuscation by attackers
avatar
SigmaHQ Detections@sigmaHQ
avatar
SigmaHQ
6 months ago
000
Detects PowerShell downgrade attack by comparing the host versions with the actually used engine version 2.0
avatar
SigmaHQ Detections@sigmaHQ
avatar
SigmaHQ
6 months ago
000
Detects PowerShell execution to set the ACL of a file or a folder
avatar
SigmaHQ Detections@sigmaHQ
avatar
SigmaHQ
6 months ago
000
Adversaries may execute their own malicious payloads by hijacking the Registry entries used by services.
Adversaries may use flaws in the permissions for registry to redirect from the originally specified executable to one that they control, in order to launch their own code at Service start.
Windows stores local service configuration information in the Registry under HKLM\SYSTEM\CurrentControlSet\Services
avatar
SigmaHQ Detections@sigmaHQ
avatar
SigmaHQ
6 months ago
000
Detects changes to the registry value "PythonFunctionWarnings" that would prevent any warnings or alerts from showing when Python functions are about to be executed.
Threat actors could run malicious code through the new Microsoft Excel feature that allows Python to run within the spreadsheet.
avatar
SigmaHQ Detections@sigmaHQ
avatar
SigmaHQ
6 months ago
000
Detects potential abuse of the provisioning registry key for indirect command execution through "Provlaunch.exe".
avatar
SigmaHQ Detections@sigmaHQ
avatar
SigmaHQ
6 months ago
000
Detects changes to the registry key "HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\SpecialAccounts\Userlist" where the value is set to "0" in order to hide user account from being listed on the logon screen.
avatar
SigmaHQ Detections@sigmaHQ
avatar
SigmaHQ
6 months ago
000
Detects regsvr32 execution to download/install/register new DLLs that are hosted on Web or FTP servers.
avatar
SigmaHQ Detections@sigmaHQ
avatar
SigmaHQ
6 months ago
000
Page 37 of 61