Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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This rule detects evidence of remote service installation and execution, commonly associated with tools like PsExec, PaExec, and RemCom, or the direct use of Windows administrative shares (ADMIN$, C$) to execute binaries remotely. The rule monitors for process creation events involving known service binary names, service creation attempts, or the execution of binaries staged in administrative network shares.
Detects anomalous lateral movement behavior where a single user account authenticates via NTLM (LogonType 3, network logon) to three or more distinct hosts within a 30-minute window, without a preceding interactive logon (LogonType 2). This pattern is a strong indicator of an adversary using captured NTLM hashes to move laterally across a Windows environment.
Detects anomalous lateral movement via Remote Desktop Protocol (RDP) by identifying three high-risk patterns: rapid RDP fan-out to multiple destination hosts from a single account, RDP access to sensitive servers from unauthorized source hosts, and RDP sessions followed by the execution of known post-exploitation or credential-theft tooling on the destination host.
Detects the execution of a ScreenConnect installer executable followed by the deployment or startup of its associated client components (WindowsClient.exe or ClientService.exe) within a 30-minute window on the same device. This rule is designed to identify the unauthorized installation or deployment of remote access software.
Detects the execution of a ScreenConnect installer executable followed by the deployment or startup of its associated client components (WindowsClient.exe or ClientService.exe) within a 30-minute window on the same device. This rule is designed to identify the unauthorized installation or deployment of remote access software.
This rule detects the execution of common remote access and management (RMM) tools from non-standard directories such as user profiles, temp folders, or other locations outside of standard application installation paths (e.g., Program Files or ProgramData). Such activity is often indicative of unauthorized remote access setup or the use of portable RMM binaries by an adversary to maintain persistent access.
This rule detects the execution of common remote access and management (RMM) tools from non-standard directories such as user profiles, temp folders, or other locations outside of standard application installation paths (e.g., Program Files or ProgramData). Such activity is often indicative of unauthorized remote access setup or the use of portable RMM binaries by an adversary to maintain persistent access.
This rule detects the execution of common remote access and management (RMM) tools from non-standard directories such as user profiles, temp folders, or other locations outside of standard application installation paths (e.g., Program Files or ProgramData). Such activity is often indicative of unauthorized remote access setup or the use of portable RMM binaries by an adversary to maintain persistent access.
Detects multiple attempts to connect to administrative shares (ADMIN$, C$, IPC$) from a single source within a 60-second window. This pattern is indicative of automated lateral movement or enumeration attempts using the SMB protocol.
Detects the use of the built-in Windows utility rundll32.exe to execute the MiniDump functionality within comsvcs.dll against the Local Security Authority Subsystem Service (LSASS). This technique is a common method for attackers to bypass signature-based security tools and obtain sensitive credentials from memory.
Detects the loading of known vulnerable kernel drivers commonly used for Bring Your Own Vulnerable Driver (BYOVD) attacks, followed within 15 minutes by administrative attempts to stop, delete, or kill common security product processes or services.
This rule detects potential unauthorized Remote Monitoring and Management (RMM) tool installation activities. It looks for common patterns used by adversaries to deploy RMM agents, including silent MSI installations from HTTPS URLs, batch/VBS scripts performing administrative privilege checks prior to silent execution, and PowerShell commands utilizing 'Start-Process' with elevated privileges to download and execute files from the internet.
This rule detects potential exploitation of the Oracle PeopleSoft PSEMHUB component vulnerability (CVE-2026-35273). It identifies suspicious POST requests to the PSEMHUB HttpListeningConnector servlet, including obfuscated URL paths, followed by the creation of suspiciously named .jsp or .jspx files in the PSEMHUB.war application directory, which is indicative of a web shell deployment.
This rule monitors for various indicators of compromise (IOCs) including malicious domains, IP addresses, specific URI paths, file names, and file hashes. It aggregates telemetry from network, file, process, and certificate events to detect potential threats interacting with known bad infrastructure or executing suspicious files associated with malware campaigns.
Detects potential local privilege escalation via Windows ALPC (Advanced Local Procedure Call) heap-based buffer overflow by identifying a non-SYSTEM Chrome process tree spawning child processes with SYSTEM privileges. The rule specifically monitors for suspicious child binaries or paths characteristic of exploit payloads while excluding legitimate Chrome update and crash handler processes.
Detects a sequence of events where a user clicks a shared link to an AI chatbot conversation followed closely (within 15 minutes) by the execution of potentially malicious processes (mshta, powershell, cmd) that include suspicious command-line patterns indicative of ClickFix-style social engineering.
Detects a sequence of events where a user clicks a shared link to an AI chatbot conversation followed closely (within 15 minutes) by the execution of potentially malicious processes (mshta, powershell, cmd) that include suspicious command-line patterns indicative of ClickFix-style social engineering.
This rule detects potential ClickFix/InstallFix attacks where a user is socially engineered to copy and paste a malicious command from a website that mimics a legitimate developer tool installation (e.g., Claude Code, NotebookLM). The detection flags the use of common download-and-execute cmdlets (e.g., irm, iwr, iex) within common Windows shell interpreters while excluding known legitimate vendor install domains.
Detects a sequence of potentially malicious local command execution (via PowerShell, cmd, or mshta) that mirrors the 'ClickFix' social engineering pattern, followed by an OAuth application consent grant or device-code authorization by the same user within a short timeframe. This behavior is indicative of an adversary attempting to bypass MFA by tricking a user into authorizing a malicious application after establishing local execution on their endpoint.
Detects the modification of the 'DisableRestrictedAdmin' registry key via 'reg.exe'. This registry setting, when disabled (set to 0), allows the use of 'Restricted Admin' mode for Remote Desktop connections, which can be leveraged to bypass certain credential protections or enable lateral movement using high-privilege credentials.
Detects PowerShell execution that modifies the 'jquery.mousewheel-3.0.6.pack.js' file while simultaneously attempting to timestomp file metadata or utilizing specific obfuscation markers identified in webshell deployment patterns.
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