Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
931 detections
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Detects the abuse of the Windows Scripted Diagnostics framework (sdiagnhost.exe) by the Antino threat actor. The attack leverages sdiagnhost.exe to proxy the execution of a malicious script (result.ps1) that subsequently establishes persistence by creating a Registry Run key (GatherOSStateKit). The rule correlates the execution of the scripted diagnostic package with the specific registry modification event within a 5-minute window.
Detects the abuse of the Windows Scripted Diagnostics framework (sdiagnhost.exe) by the Antino threat actor. The attack leverages sdiagnhost.exe to proxy the execution of a malicious script (result.ps1) that subsequently establishes persistence by creating a Registry Run key (GatherOSStateKit). The rule correlates the execution of the scripted diagnostic package with the specific registry modification event within a 5-minute window.
Detects the abuse of the Windows Scripted Diagnostics framework (sdiagnhost.exe) by the Antino threat actor. The attack leverages sdiagnhost.exe to proxy the execution of a malicious script (result.ps1) that subsequently establishes persistence by creating a Registry Run key (GatherOSStateKit). The rule correlates the execution of the scripted diagnostic package with the specific registry modification event within a 5-minute window.
Detects the abuse of the Windows Scripted Diagnostics framework (sdiagnhost.exe) by the Antino threat actor. The attack leverages sdiagnhost.exe to proxy the execution of a malicious script (result.ps1) that subsequently establishes persistence by creating a Registry Run key (GatherOSStateKit). The rule correlates the execution of the scripted diagnostic package with the specific registry modification event within a 5-minute window.
Detects the execution of known Living-off-the-Land Binaries (LOLBins) such as mshta, certutil, regsvr32, rundll32, and msiexec, where the command-line arguments contain suspicious patterns indicative of script execution or remote file fetching. These behaviors are consistent with T1218 (System Binary Proxy Execution) to bypass security controls by utilizing trusted, signed binaries to execute malicious code.
Detects the abuse of Windows signed binaries (LOLBins) rundll32.exe and regsvr32.exe for proxy execution. Rundll32.exe activity is monitored for the use of javascript: pseudo-protocol or comsvcs.dll for MiniDump operations, while regsvr32.exe activity is monitored for Squiblydoo-style remote scriptlet execution via /i:http and other suspicious flag combinations.
Detects ClickFix-style activity where a user is tricked into entering or pasting malicious command strings into the Windows File Explorer address bar. This activity results in the spawning of common utilities like cmd.exe, powershell.exe, or certutil.exe with arguments associated with UNC paths, Base64 encoding, or download cradles (e.g., IEX, bitsadmin, or URLCache operations).
Detects ClickFix-style activity where a user is tricked into entering or pasting malicious command strings into the Windows File Explorer address bar. This activity results in the spawning of common utilities like cmd.exe, powershell.exe, or certutil.exe with arguments associated with UNC paths, Base64 encoding, or download cradles (e.g., IEX, bitsadmin, or URLCache operations).
Detects ClickFix-style activity where a user is tricked into entering or pasting malicious command strings into the Windows File Explorer address bar. This activity results in the spawning of common utilities like cmd.exe, powershell.exe, or certutil.exe with arguments associated with UNC paths, Base64 encoding, or download cradles (e.g., IEX, bitsadmin, or URLCache operations).
Detects ClickFix-style activity where a user is tricked into entering or pasting malicious command strings into the Windows File Explorer address bar. This activity results in the spawning of common utilities like cmd.exe, powershell.exe, or certutil.exe with arguments associated with UNC paths, Base64 encoding, or download cradles (e.g., IEX, bitsadmin, or URLCache operations).
Detects a multi-stage process execution chain beginning with common end-user applications (browsers, Office apps, explorer.exe) spawning known LOLBins (Living-off-the-Land Binaries), which in turn execute secondary LOLBins with suspicious command-line indicators. This pattern often signifies post-exploitation activity such as secondary payload delivery, fileless malware execution, or proxy execution of malicious scripts/commands, consistent with ClickFix or BYOVD-related ingress techniques.
Detects the execution of WinGet DSC backend services, ConfigurationRemotingServer.exe or WindowsPackageManagerServer.exe, when launched as child processes of WinGet or DSCourier. This behavior is indicative of potential proxy execution abuse where WinGet components are leveraged to execute arbitrary code or configurations via signed Microsoft binaries.
Detects the execution of known Canon or Stardock software binaries (COTFileReadApp.exe, DeElevate64.exe) when spawned by msiexec.exe from non-standard locations such as Temp or AppData directories. This pattern is indicative of potential defense evasion, where adversaries leverage legitimate software to proxy execution or potentially perform side-loading activities.
Detects the execution of regsvcs.exe when initiated by PowerShell, or when invoked with specific command line arguments indicating .NET reflection (GetType, GetMethod, method.Invoke) typically associated with fileless execution or proxying malicious code. The rule specifically targets instances involving .NET Framework directories.
Detects the execution of wscript.exe as a child process of mshta.exe, specifically when the wscript.exe command line contains references to .vbs or .js files. This behavioral pattern is often associated with malicious HTA files using mshta.exe as a proxy to execute secondary script payloads, a technique commonly leveraged for initial access and execution.
Detects the execution of MSBuild.exe when spawned by a PowerShell process. This is a common pattern for proxying execution of malicious code, such as the LxBaseRAT, by leveraging MSBuild's inline task capability to execute C# or VB.NET code within a signed Microsoft binary.
Detects the use of the WinGet 'configure' command to process PowerShell DSC configuration files. This method can be abused to execute arbitrary PowerShell code within a Script resource without explicitly invoking powershell.exe, potentially bypassing certain monitoring or security controls focused solely on the PowerShell executable.
Detects the execution of the Windows ftp.exe binary using the -s parameter (or -s"": syntax) to execute a script file. This behavior is commonly associated with attackers using LOLBAS (Living Off the Land Binaries and Scripts) techniques to execute hidden or obfuscated scripts from mounted virtual hard disks (VHD) to facilitate malicious backdoor execution.
Detects instances where the Steam service (steamservice.exe) is executing suspicious child processes such as command interpreters or binaries located in unusual paths like Temp, Downloads, or AppData, often indicating an attempt to hide malicious activity under a trusted process.
Detects the execution of wmic.exe when launched by uncommon parent processes, specifically mshta.exe or wscript.exe. These parent processes are often associated with the execution of malicious scripts (e.g., .hta or .vbs files), which may use wmic.exe for system discovery or execution of commands, a common pattern in file-based living-off-the-land attacks.
Detects instances where PowerShell is launched as a child process of WScript.exe or CScript.exe with suspicious command line flags intended to hide window visibility, bypass execution policies, or run in a non-interactive mode. This behavior is frequently used by adversaries to execute obfuscated or malicious scripts while minimizing user awareness.
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