Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
40,056 detections
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Detects anomalous network connection attempts using DCOM (port 135) or WinRM (ports 5985/5986) that originate from external networks or exceed established internal baseline frequencies. This pattern is often indicative of lateral movement or remote administration abuse via WMI or WinRM.
This rule detects potential web skimmer activity where a user's browser performs a network connection to known payload delivery hosts (e.g., paste.sh or Google Sheets API) followed by a clipboard modification event on the same device within a one-hour window. This behavior is consistent with malicious scripts attempting to replace copied cryptocurrency wallet addresses with an attacker-controlled address.
Detects the creation of WMI event filters and consumers associated with CommandLineEventConsumer or ActiveScriptEventConsumer, excluding known legitimate system processes. This behavior is a common technique for establishing persistence and executing arbitrary code via WMI event subscriptions.
Detects repeated, non-interactive requests to the Google Sheets Visualization API (gviz/tq) originating from common web browsers. This pattern is indicative of a malicious browser extension attempting to reconstruct or reinject payloads when a user visits specific targeted websites.
Detects anomalous system reconnaissance activity performed using WMIC or PowerShell Get-WmiObject commands. The rule tracks distinct command-line executions per device and flags hosts where three or more unique reconnaissance commands are executed within a short timeframe, which is indicative of an adversary enumerating system configuration, hotfixes, or hardware details.
Detects the loading of WMI-related DLLs (wbemcomn.dll, wbemprox.dll) by processes that are commonly abused to proxy execution (LOLBins) such as certutil, mshta, or office applications. This behavior is often associated with WMI-based persistence or execution techniques.
This rule detects potential lateral movement by identifying suspicious child processes (such as cmd, powershell, or rundll32) spawned by WmiPrvSE.exe shortly after a remote interactive or network logon on the same device.
Detects remote administration activity via Windows Management Instrumentation (WMI) originating from a host that has no recorded history of performing such actions within the previous 30 days. This includes the use of wmic.exe for remote nodes, Invoke-WmiMethod, or WmiPrvSe.exe spawning common command-line interpreters or utilities.
Detects remote administration activity via Windows Management Instrumentation (WMI) originating from a host that has no recorded history of performing such actions within the previous 30 days. This includes the use of wmic.exe for remote nodes, Invoke-WmiMethod, or WmiPrvSe.exe spawning common command-line interpreters or utilities.
Detects network requests to unpkg.com or npmmirror for 'index.html' files directly under a package path. This behavior deviates from standard package management usage (which typically fetches tarballs or specific JavaScript modules) and is often associated with adversaries using npm packages as hosting infrastructure for phishing landing pages.
Detects high-frequency, automated web scraping behavior targeting product catalog pages, indicative of content harvesting for site replication. The rule monitors IIS logs for non-browser user agents (e.g., Python, curl, Scrapy) performing rapid, multi-page requests within a short duration.
Detects network connections to known command and control (C2) infrastructure, including hardcoded malicious domains, specific C2 IP addresses, and suspicious GitHub access patterns by processes other than standard web browsers, which may indicate malicious ingress tool transfer or C2 communication.
Detects outbound network connections initiated by the VLC media player (vlc.exe) to public IP addresses using the RTSP protocol (port 554) or referencing common media file extensions (e.g., .m3u, .xspf) in the command line. This behavior is often associated with remote stream retrieval or, in adversarial contexts, the potential use of media players to exfiltrate data or retrieve malicious remote payloads.
Detects the ESET Management Agent (ERAAgent.exe) initiating outbound network connections using non-standard socket families, specifically AF_VSOCK (virtual socket) or VMCI (Virtual Machine Communication Interface). These interfaces are typically used for inter-process communication between a host and a guest virtual machine, or between guest virtual machines, and may indicate malicious activity such as lateral movement from a virtualized environment, virtual machine escape attempts, or unauthorized communication within an ESXi host environment.
Detects the deletion of volume shadow copies using common Windows administrative utilities including vssadmin.exe, wmic.exe, diskshadow.exe, or through PowerShell WMI/CIM cmdlets. This behavior is frequently associated with ransomware and data destruction attacks aiming to prevent system recovery.
This rule detects the use of package managers like 'pip' or 'npm' to install specific suspicious software packages or tools often associated with supply chain compromise or malicious library installation (e.g., 'huggingface-cli', 'unused-imports', 'react-codeshift').
Detects the execution of package managers (pip or npm) to install software dependencies initiated by development or agent-related processes (like IDEs or background services) in a non-interactive session. This behavior can be indicative of automated dependency confusion attacks, malicious supply chain activity, or unauthorized package installation occurring without direct user oversight.
Detects package manager processes (npm, pip, python) executing install-related commands followed by the creation or modification of sensitive files (SSH keys, cloud credentials, shell configurations) within a short timeframe. This behavior is indicative of potential supply chain attacks where a malicious package attempts to steal credentials or secrets upon installation.
Detects the installation of software packages in build or CI pipelines where the package was published to its registry between 30 and 90 days prior to being first used in the environment. This pattern is indicative of potential dependency confusion or typosquatting attacks, where adversaries use newly created packages to deliver malicious code.
Detects the creation of scheduled tasks using the 'schtasks.exe' utility that reference suspicious paths (AppData/Local or Roaming) or specific executables often associated with suspicious activity (Launcher.exe, GapiUpdate.exe) in conjunction with 'DeviceSetupManager'. Additionally, it includes a hash-based detection for a specific known malicious file artifact.
Detects the creation of scheduled tasks using the 'schtasks.exe' utility that reference suspicious paths (AppData/Local or Roaming) or specific executables often associated with suspicious activity (Launcher.exe, GapiUpdate.exe) in conjunction with 'DeviceSetupManager'. Additionally, it includes a hash-based detection for a specific known malicious file artifact.
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