Sigma Rules
1,487 rules found for "execution"
IE ZoneMap Setting Downgraded To MyComputer Zone For HTTP Protocols Via CLI
Detects changes to Internet Explorer's (IE / Windows Internet properties) ZoneMap configuration of the "HTTP" and "HTTPS" protocols to point to the "My Computer" zone. This allows downloaded files from the Internet to be granted the same level of trust as files stored locally.
Python Function Execution Security Warning Disabled In Excel
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.
Potential Provisioning Registry Key Abuse For Binary Proxy Execution
Detects potential abuse of the provisioning registry key for indirect command execution through "Provlaunch.exe".
Potential PowerShell Execution Policy Tampering - ProcCreation
Detects changes to the PowerShell execution policy registry key in order to bypass signing requirements for script execution from the CommandLine
Potentially Suspicious Regsvr32 HTTP IP Pattern
Detects regsvr32 execution to download and install DLLs located remotely where the address is an IP address.
Potentially Suspicious Regsvr32 HTTP/FTP Pattern
Detects regsvr32 execution to download/install/register new DLLs that are hosted on Web or FTP servers.
Suspicious Regsvr32 Execution From Remote Share
Detects REGSVR32.exe to execute DLL hosted on remote shares
Potentially Suspicious Child Process Of Regsvr32
Detects potentially suspicious child processes of "regsvr32.exe".
Regsvr32 Execution From Potential Suspicious Location
Detects execution of regsvr32 where the DLL is located in a potentially suspicious location.
Regsvr32 Execution From Highly Suspicious Location
Detects execution of regsvr32 where the DLL is located in a highly suspicious locations
Regsvr32 DLL Execution With Suspicious File Extension
Detects the execution of REGSVR32.exe with DLL files masquerading as other files
Regsvr32 DLL Execution With Uncommon Extension
Detects a "regsvr32" execution where the DLL doesn't contain a common file extension.
Add SafeBoot Keys Via Reg Utility
Detects execution of "reg.exe" commands with the "add" or "copy" flags on safe boot registry keys. Often used by attacker to allow the ransomware to work in safe mode as some security products do not
SafeBoot Registry Key Deleted Via Reg.EXE
Detects execution of "reg.exe" commands with the "delete" flag on safe boot registry keys. Often used by attacker to prevent safeboot execution of security products
Service Registry Key Deleted Via Reg.EXE
Detects execution of "reg.exe" commands with the "delete" flag on services registry key. Often used by attacker to remove AV software services
Potentially Suspicious Desktop Background Change Using Reg.EXE
Detects the execution of "reg.exe" to alter registry keys that would replace the user's desktop background. This is a common technique used by malware to change the desktop background to a ransom note or other image.
Security Service Disabled Via Reg.EXE
Detects execution of "reg.exe" to disable security services such as Windows Defender.
Potential Tampering With RDP Related Registry Keys Via Reg.EXE
Detects the execution of "reg.exe" for enabling/disabling the RDP service on the host by tampering with the 'CurrentControlSet\Control\Terminal Server' values
Remote Access Tool - AnyDesk Execution
An adversary may use legitimate desktop support and remote access software, such as Team Viewer, Go2Assist, LogMein, AmmyyAdmin, etc, to establish an interactive command and control channel to target systems within networks. These services are commonly used as legitimate technical support software, and may be allowed by application control within a target environment. Remote access tools like VNC, Ammyy, and Teamviewer are used frequently when compared with other legitimate software commonly used by adversaries. (Citation: Symantec Living off the Land)
Remote Access Tool - AnyDesk Execution With Known Revoked Signing Certificate
Detects the execution of an AnyDesk binary with a version prior to 8.0.8. Prior to version 8.0.8, the Anydesk application used a signing certificate that got compromised by threat actors. Use this rule to detect instances of older versions of Anydesk using the compromised certificate This is recommended in order to avoid attackers leveraging the certificate and signing their binaries to bypass detections.
Remote Access Tool - Anydesk Execution From Suspicious Folder
An adversary may use legitimate desktop support and remote access software, such as Team Viewer, Go2Assist, LogMein, AmmyyAdmin, etc, to establish an interactive command and control channel to target systems within networks. These services are commonly used as legitimate technical support software, and may be allowed by application control within a target environment. Remote access tools like VNC, Ammyy, and Teamviewer are used frequently when compared with other legitimate software commonly used by adversaries. (Citation: Symantec Living off the Land)
Remote Access Tool - GoToAssist Execution
An adversary may use legitimate desktop support and remote access software, such as Team Viewer, Go2Assist, LogMein, AmmyyAdmin, etc, to establish an interactive command and control channel to target systems within networks. These services are commonly used as legitimate technical support software, and may be allowed by application control within a target environment. Remote access tools like VNC, Ammyy, and Teamviewer are used frequently when compared with other legitimate software commonly used by adversaries. (Citation: Symantec Living off the Land)
Remote Access Tool - LogMeIn Execution
An adversary may use legitimate desktop support and remote access software, such as Team Viewer, Go2Assist, LogMein, AmmyyAdmin, etc, to establish an interactive command and control channel to target systems within networks. These services are commonly used as legitimate technical support software, and may be allowed by application control within a target environment. Remote access tools like VNC, Ammyy, and Teamviewer are used frequently when compared with other legitimate software commonly used by adversaries. (Citation: Symantec Living off the Land)
Remote Access Tool - Potential MeshAgent Execution - Windows
Detects potential execution of MeshAgent which is a tool used for remote access. Historical data shows that threat actors rename MeshAgent binary to evade detection. Matching command lines with the '--meshServiceName' argument can indicate that the MeshAgent is being used for remote access.
Remote Access Tool - MeshAgent Command Execution via MeshCentral
Detects the use of MeshAgent to execute commands on the target host, particularly when threat actors might abuse it to execute commands directly. MeshAgent can execute commands on the target host by leveraging win-console to obscure their activities and win-dispatcher to run malicious code through IPC with child processes.
Remote Access Tool - NetSupport Execution
An adversary may use legitimate desktop support and remote access software, such as Team Viewer, Go2Assist, LogMein, AmmyyAdmin, etc, to establish an interactive command and control channel to target systems within networks. These services are commonly used as legitimate technical support software, and may be allowed by application control within a target environment. Remote access tools like VNC, Ammyy, and Teamviewer are used frequently when compared with other legitimate software commonly used by adversaries. (Citation: Symantec Living off the Land)
Remote Access Tool - NetSupport Execution From Unusual Location
Detects execution of client32.exe (NetSupport RAT) from an unusual location (outside of 'C:\Program Files')
Remote Access Tool - Renamed MeshAgent Execution - Windows
Detects the execution of a renamed instance of the Remote Monitoring and Management (RMM) tool, MeshAgent. RMM tools such as MeshAgent are commonly utilized by IT administrators for legitimate remote support and system management. However, malicious actors may exploit these tools by renaming them to bypass detection mechanisms, enabling unauthorized access and control over compromised systems.
Remote Access Tool - RURAT Execution From Unusual Location
Detects execution of Remote Utilities RAT (RURAT) from an unusual location (outside of 'C:\Program Files')
Remote Access Tool - ScreenConnect Execution
An adversary may use legitimate desktop support and remote access software, such as Team Viewer, Go2Assist, LogMein, AmmyyAdmin, etc, to establish an interactive command and control channel to target systems within networks. These services are commonly used as legitimate technical support software, and may be allowed by application control within a target environment. Remote access tools like VNC, Ammyy, and Teamviewer are used frequently when compared with other legitimate software commonly used by adversaries. (Citation: Symantec Living off the Land)
Remote Access Tool - ScreenConnect Installation Execution
Detects ScreenConnect program starts that establish a remote access to a system.
Remote Access Tool - ScreenConnect Remote Command Execution
Detects the execution of a system command via the ScreenConnect RMM service.
Remote Access Tool - ScreenConnect Potential Suspicious Remote Command Execution
Detects potentially suspicious child processes launched via the ScreenConnect client service.
Remote Access Tool - ScreenConnect Server Web Shell Execution
Detects potential web shell execution from the ScreenConnect server process.
Remote Access Tool - Simple Help Execution
An adversary may use legitimate desktop support and remote access software, such as Team Viewer, Go2Assist, LogMein, AmmyyAdmin, etc, to establish an interactive command and control channel to target systems within networks. These services are commonly used as legitimate technical support software, and may be allowed by application control within a target environment. Remote access tools like VNC, Ammyy, and Teamviewer are used frequently when compared with other legitimate software commonly used by adversaries. (Citation: Symantec Living off the Land)
Remote Access Tool - UltraViewer Execution
An adversary may use legitimate desktop support and remote access software, such as Team Viewer, Go2Assist, LogMein, AmmyyAdmin, etc, to establish an interactive command and control channel to target systems within networks. These services are commonly used as legitimate technical support software, and may be allowed by application control within a target environment. Remote access tools like VNC, Ammyy, and Teamviewer are used frequently when compared with other legitimate software commonly used by adversaries. (Citation: Symantec Living off the Land)
Renamed AdFind Execution
Detects the use of a renamed Adfind.exe. AdFind continues to be seen across majority of breaches. It is used to domain trust discovery to plan out subsequent steps in the attack chain.
Renamed AutoHotkey.EXE Execution
Detects execution of a renamed autohotkey.exe binary based on PE metadata fields
Renamed AutoIt Execution
Detects the execution of a renamed AutoIt2.exe or AutoIt3.exe. AutoIt is a scripting language and automation tool for Windows systems. While primarily used for legitimate automation tasks, it can be misused in cyber attacks. Attackers can leverage AutoIt to create and distribute malware, including keyloggers, spyware, and botnets. A renamed AutoIt executable is particularly suspicious.
Potential Defense Evasion Via Binary Rename
Detects the execution of a renamed binary often used by attackers or malware leveraging new Sysmon OriginalFileName datapoint.
Potential Defense Evasion Via Rename Of Highly Relevant Binaries
Detects the execution of a renamed binary often used by attackers or malware leveraging new Sysmon OriginalFileName datapoint.
Renamed BOINC Client Execution
Detects the execution of a renamed BOINC binary.
Renamed BrowserCore.EXE Execution
Detects process creation with a renamed BrowserCore.exe (used to extract Azure tokens)
Renamed Cloudflared.EXE Execution
Detects the execution of a renamed "cloudflared" binary.
Renamed CreateDump Utility Execution
Detects uses of a renamed legitimate createdump.exe LOLOBIN utility to dump process memory
Renamed CURL.EXE Execution
Detects the execution of a renamed "CURL.exe" binary based on the PE metadata fields
Renamed ZOHO Dctask64 Execution
Detects a renamed "dctask64.exe" execution, a signed binary by ZOHO Corporation part of ManageEngine Endpoint Central. This binary can be abused for DLL injection, arbitrary command and process execution.
Renamed FTP.EXE Execution
Detects the execution of a renamed "ftp.exe" binary based on the PE metadata fields