Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
40,063 detections
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Detects the execution of the process 'rnpkeys.exe' initiated by 'msiexec.exe' from the '\ProgramData\keyroll\' directory. This activity may indicate malicious use of the Windows Installer to proxy the execution of unauthorized or potentially malicious key management software.
Detects the creation of scheduled tasks using 'schtasks.exe' where the command line arguments contain the string 'keyroll'. This pattern is often associated with automated credential management or persistence mechanisms that may be abused by adversaries.
This rule detects the loading of a specific module named 'tdwp.dll' by the 'rnpkeys.exe' process, where both files are located within a 'keyroll' directory. This pattern is indicative of potential DLL sideloading or execution of unauthorized components where a legitimate-looking process loads a custom, possibly malicious, library from a non-standard location.
Detects HTTP traffic identified as Sauron Loader, characterized by specific POST requests to hardcoded domains, URI path structures, and user-agent strings indicative of automated C2 activity.
Detects HTTP traffic identified as Sauron Loader, characterized by specific POST requests to hardcoded domains, URI path structures, and user-agent strings indicative of automated C2 activity.
Detects instances where the rnpkeys.exe process initiates a network connection shortly after its execution. The RNP (OpenPGP) utility is generally used for local cryptographic operations; unexpected network activity from this process may indicate potential misuse, data exfiltration, or malicious use of the tool for command-and-control communication.
This rule monitors network connections, file events, and process execution command lines for references to a list of known malicious URLs, including indicators associated with ClearFake, IClickFix, AMOS, Remus, and Mozi botnet payloads.
Detects instances where the process rnpkeys.exe loads suspicious DLLs (rnp.dll or tdwp.dll) without subsequent network activity within a 120-second window. This behavior is indicative of potential DLL side-loading where the process is used to execute malicious payloads without establishing communication.
Detects the execution of 'setup.js' by the node.js runtime when initiated by 'npm install' or 'postinstall' hooks. This behavior is a common indicator of a malicious supply chain attack where a compromised or malicious npm package executes unauthorized code during the package installation or setup phase.
Detects the use of forfiles.exe to execute command-line interpreters such as cmd.exe or powershell.exe. This pattern is commonly used by adversaries as a LOLBAS (Living Off the Land Binary and Script) technique to achieve indirect command execution and bypass security controls.
Detects the presence or execution of artifacts associated with the TrustSink proof-of-concept (deploy.py, cleanup_eam.py, deploy_state.json), which is used to register or remove rogue Entra authentication providers.
Detects the loading or service registration of known vulnerable or malicious signed drivers commonly used in Bring Your Own Vulnerable Driver (BYOVD) attacks. These drivers are leveraged by adversaries to gain kernel-level privileges, bypass security controls, and terminate endpoint protection agents.
This rule detects potential 'Squiblydoo' attacks where regsvr32.exe is used to execute remote scriptlets via HTTP/HTTPS or loads the 'scrobj.dll' library in an unusual manner, such as without a local DLL file path, which is a common indicator of bypassing application allowlisting.
This rule detects the loading of known-vulnerable or malicious kernel drivers (BYOVD) followed by the termination of major EDR or security-related processes on the same host within a 10-minute window. This behavior is indicative of an adversary attempting to disable security controls to evade detection after achieving kernel-level privileges.
Detects the use of 7-Zip (7z.exe) to extract a file named drata.dat using command line arguments that indicate silent extraction from an encrypted or password-protected archive. This behavior is associated with the LegionLoader malware, which uses this technique to stage its payload.
Detects instances where a process named 'updater.exe' launches another process also named 'updater.exe'. This behavior is often associated with malware or malicious loaders (such as LegionLoader) that use secondary instances to facilitate malicious code execution or persistence while masquerading as legitimate update utilities.
Detects the registration of the gitlab-runner Windows service as a custom Event Log provider under the Application registry key. This registry modification occurs during the installation of the GitLab Runner service. When observed on endpoints not intended for CI/CD operations, this activity may indicate an adversary is installing a GitLab Runner for use as a C2 implant.
Detects a multi-stage attack chain where an AI-agent's configuration file (e.g., mcp.json) is modified, followed immediately by the execution of a tool process (node/python) spawned by the agent, the subsequent spawning of a shell process, and finally an outbound network connection to a rare, non-standard domain. This sequence is indicative of AI agent tool poisoning, where malicious tool definitions are introduced to execute arbitrary commands and exfiltrate data. Coverts T1195.002, T1565.001, T1059
Detects a multi-stage attack chain where an AI-agent's configuration file (e.g., mcp.json) is modified, followed immediately by the execution of a tool process (node/python) spawned by the agent, the subsequent spawning of a shell process, and finally an outbound network connection to a rare, non-standard domain. This sequence is indicative of AI agent tool poisoning, where malicious tool definitions are introduced to execute arbitrary commands and exfiltrate data. Coverts T1195.002, T1565.001, T1059
Detects a cluster of Windows Event IDs 4740 (Account Lockout) or 4724 (Password Reset) targeting the local 'Administrator' account across multiple hosts within a short time window. This activity is indicative of automated or mass account manipulation often associated with ransomware payloads or centralized GPO-based credential tampering.
Detects a significant number of endpoints processing Group Policy computer configurations within a short time window. This activity is indicative of a synchronized event, such as a domain-wide application of a newly modified or deployed Group Policy Object (GPO), which may follow a 'time-bomb' malicious GPO detonation or unauthorized policy change.
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