Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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IDS Classtypes
1
This rule monitors for the presence or execution of files matching a known set of SHA256 hashes associated with the 'DXSCAN' malware, utilizing both device file and process events.
This rule detects suspicious clipboard access attempts initiated by common scripting interpreters (node.exe, python.exe, powershell.exe) in non-standard paths or correlated with recent external network connections. It is designed to identify potential credential theft or data staging using clipboard interaction methods often employed by malware.
Detects execution of python scripts or shell commands involving curl from temporary directories like /tmp, /Temp, or /Downloads. This pattern is commonly associated with the staging and execution of malicious payloads, often involving downloading scripts via curl or executing files that mimic legitimate standalone python builds or system scripts.
Detects attempts to delete Volume Shadow Copies using native Windows administrative tools such as wmic.exe and vssadmin.exe. This activity is frequently associated with ransomware, as adversaries often delete local backups to prevent data recovery.
This rule detects potentially malicious PowerShell activity executed from Windows Explorer with obfuscated arguments (-enc, -w hidden) in conjunction with access to the Windows RunMRU registry key, which tracks commands executed via the Windows Run dialog.
Detects execution of PowerShell with a hidden window and base64-encoded command arguments that targets the file 'WindowsUpdate.log'. This pattern is associated with the CRPx0 (ClickFix) ransomware, where it attempts to drop or interact with a stager file disguised as a legitimate Windows update log file.
Detects instances where PowerShell or mshta.exe are launched by a web browser or Windows Explorer, often indicative of the 'ClickFix' social-engineering campaign. In this scenario, users are tricked into copying and pasting malicious commands from a fake CAPTCHA or update prompt directly into a Windows terminal or the Run dialog, leading to code execution.
This rule detects the use of standard Windows administrative utilities (wmic.exe, vssadmin.exe, and wbadmin.exe) to perform destructive operations on volume shadow copies or backup catalogs. These actions are frequently associated with ransomware attacks to prevent system recovery.
Detects the execution of Active Directory Explorer (ADExplorer.exe or ADExplorer64.exe), a legitimate tool often repurposed by adversaries to enumerate Active Directory structures, accounts, and group memberships.
Detects the presence or installation of 'truesight.sys' or 'rentdrv2.sys' drivers, which are associated with malicious activity. The rule also triggers when system utilities like sc.exe or services.exe are used to set services related to these names to a 'demand' start type, indicating potential persistence or malicious driver loading.
This rule detects instances where PowerShell is used to download or execute remote monitoring and management (RMM) tools or remote access software binaries (e.g., AnyDesk, TeamViewer, Atera). This pattern is often indicative of an adversary attempting to establish persistent remote access to a compromised system after initial intrusion.
Detects execution of PowerShell processes using the '-w hidden' argument and '-enc' (EncodedCommand) parameter, which is a common technique used by attackers to execute obfuscated code silently.
Detects execution of PowerShell commands using encoded arguments combined with network download cmdlets. This pattern is indicative of a multi-stage loader chain often used in 'ClickFix' style social engineering lures to download and execute secondary malicious payloads.
Detects the execution of the s5cmd utility using 'cp' or 'sync' commands directed towards S3 storage paths. This behavior is indicative of unauthorized data exfiltration to attacker-controlled cloud storage, a tactic identified in intrusions associated with the 'Ransom Busters' group.
Detects the execution of PowerShell with hidden window styles and encoded commands that perform common post-exploitation activities, such as remote file downloading or expression evaluation via IEX. This is a common pattern for fileless malware delivery and secondary payload execution.
This rule detects malicious activity by monitoring for specific known indicators, including hashes of malicious files (ProcessRollup2), network connections to known C2 infrastructure (NetworkConnectIP4), and URL clicks (UrlClick) associated with malicious domains or paths. It acts as a multi-stage indicator correlation rule to identify execution or communication with known threats.
Detects the execution of a Google Chrome process on a system with a known vulnerability (versions below 143.0.7499.192) in conjunction with browser extension installation or loading activity. This behavior is indicative of the GlicJack exploit (CVE-2026-0628), where a malicious extension attempts to impersonate a trusted AI vendor server to send unauthorized commands to the in-browser AI agent.
Detects mshta.exe spawning suspicious child processes (cmd.exe, powershell.exe, or reg.exe) that are characteristic of the ReverseRAT backdoor. The rule identifies common discovery commands or persistence attempts via Registry Run keys triggered from mshta.exe.
Detects the execution of wmic.exe, powershell.exe, or pwsh.exe with command-line arguments related to querying antivirus products or security centers (e.g., AntiVirusProduct, SecurityCenter2). The rule focuses on executions originating from non-standard system paths (e.g., Temp, Users, AppData) or processes that lack a valid code signing signature, which is often indicative of reconnaissance by malicious actors.
Detects potential ClickFix-style social engineering attacks where a victim is prompted to execute an encoded PowerShell command (often via copy-paste into a terminal). The rule specifically monitors PowerShell processes initiated by shell environments (explorer.exe, cmd.exe, or WindowsTerminal.exe) that execute encoded, hidden scripts to perform multiple suspicious network requests for files (e.g., .zip, .enc, .bin) from non-standard domains.
Detects the execution of an ONVIF-related tool or process with flags indicating credential retrieval. This is often associated with the reconnaissance or credential access phase targeting IoT devices such as cameras that support the Open Network Video Interface Forum (ONVIF) protocol.
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