Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
20,485 detections
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IDS Classtypes
1
Detects the execution of the Python interpreter (pythonw.exe) renamed to 'codeflush.exe' residing in non-standard paths like '\Public\Music\MusicLibrariesPackage\'. This behavior is characteristic of adversaries attempting to camouflage malicious Python scripts or binaries as legitimate files to evade detection.
Detects execution of cmd.exe with suspicious command-line patterns utilizing environment variable substring expansion (%VAR:~offset,length%). This technique is used to dynamically reconstruct and execute obfuscated commands, a method historically observed in APT37 delivery chains to hide malicious payloads and bypass simple string-based signatures.
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 PowerShell scripts located in Windows temporary directories (AppData/Local/Temp or Temp) that utilize common evasion flags such as hidden window style, bypass execution policy, or non-interactive mode. This behavior is frequently associated with initial stagers, droppers, or malicious script execution.
Detects the execution of 'winget.exe' with the 'configure' command. This command is used to apply configuration files (typically YAML-based) to the system, which can automate software deployment, environment setup, or system changes. Adversaries may abuse this utility to facilitate malicious software deployment or system configuration changes via legitimate administrative tools.
Detects the execution of Windows Package Manager and configuration-related server binaries (WindowsPackageManagerServer.exe, ConfigurationRemotingServer.exe, DSCourier.exe) when not initiated by the authorized 'winget.exe' process. The rule further correlates these processes with the absence or delayed loading of the 'Microsoft.Management.Configuration' library, which may indicate unauthorized usage or tampering with package/configuration management components.
Detects suspicious process command lines that access sensitive cryptocurrency wallet data files or registry keys associated with wallet applications, which is a common behavior of information-stealing malware.
Detects suspicious process execution patterns associated with RMMCRAT, where the Windows SmartScreen process (smartscreen.exe) spawns cmd.exe, which subsequently launches PowerShell with specific parameters for piped input/output. This behavior is characteristic of malicious code injection and command-and-control activity.
Detects parent process ID (PPID) spoofing associated with RMMCRAT and other HVNC malware, where an injected process (e.g., smartscreen.exe) spawns child processes while spoofing explorer.exe as the parent. The rule monitors for a mismatch between the reported parent (explorer.exe) and the actual creator (smartscreen.exe) and focuses on burst activity of common shell and browser processes.
Detects the execution of 'gitlab-runner.exe' with command-line arguments indicative of runner registration, configuration file interaction, or process execution. This activity may be indicative of legitimate CI/CD pipeline setup or potential persistence mechanism installation if performed by unauthorized accounts.
Detects process execution attempts where the binary is located in specific, non-standard macOS system library paths often associated with background tasks or masquerading, specifically when the process is invoked with a '--type=renderer' command-line argument. This is a common pattern for malicious code attempting to mimic browser-based or helper processes.
Detects the use of PowerShell to download a file named Document.pdf using Invoke-WebRequest, saving it to disk, and immediately executing it using Start-Process. This behavior is indicative of a dropper or secondary stage payload execution pattern.
This rule detects the execution of the MeshAgent remote administration tool from a temporary directory followed by a network connection to known malicious infrastructure within a 15-minute window. This behavior is indicative of unauthorized remote access setup or C2 activity using a legitimate remote management utility.
Detects the execution of the 'fanout.sh' utility from the /tmp directory, which subsequently spawns 'sshpass' child processes to perform rapid, non-interactive SSH authentication attempts ('StrictHostKeyChecking=no') against multiple internal hosts within a 10-minute window. This behavior is indicative of automated lateral movement, specifically observed by threat actor UNC6240.
This rule detects activity involving known malicious indicators of compromise (IOCs), including specific IP addresses, domains, and file hashes. It monitors network connections, file system activity, process execution, and email attachments, filtering out common security tools to reduce noise.
This rule detects activity involving known malicious indicators of compromise (IOCs), including specific IP addresses, domains, and file hashes. It monitors network connections, file system activity, process execution, and email attachments, filtering out common security tools to reduce noise.
This rule detects activity involving known malicious indicators of compromise (IOCs), including specific IP addresses, domains, and file hashes. It monitors network connections, file system activity, process execution, and email attachments, filtering out common security tools to reduce noise.
Detects a multi-stage infection chain associated with RedFlick, involving the delivery of VHDX files or PDF attachments. The rule correlates malicious activities such as SSH-based tool download (using PermitLocalCommand), PowerShell-based PDF decoding/extraction, PowerShell VHDX disk mounting, and silent MSI installation from remote URLs. It monitors for these activities within user-writable directories like Downloads or Temp.
Detects a multi-stage infection chain associated with RedFlick, involving the delivery of VHDX files or PDF attachments. The rule correlates malicious activities such as SSH-based tool download (using PermitLocalCommand), PowerShell-based PDF decoding/extraction, PowerShell VHDX disk mounting, and silent MSI installation from remote URLs. It monitors for these activities within user-writable directories like Downloads or Temp.
This rule detects potential persistence via scheduled tasks that masquerade as legitimate network components (e.g., 'System Health Monitor'), as well as abnormal use of WebDav via rundll32.exe or net.exe in the context of the Star Blizzard (COLDRIVER) campaign. It monitors for task creation/updates, schtasks command lines, registry artifacts related to task scheduling, and suspicious WebDav network utility usage, while excluding common security tool processes.
This rule detects potential persistence via scheduled tasks that masquerade as legitimate network components (e.g., 'System Health Monitor'), as well as abnormal use of WebDav via rundll32.exe or net.exe in the context of the Star Blizzard (COLDRIVER) campaign. It monitors for task creation/updates, schtasks command lines, registry artifacts related to task scheduling, and suspicious WebDav network utility usage, while excluding common security tool processes.
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