Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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This rule detects network connections to known cryptocurrency mining pools or domains associated with cryptocurrency mining activities. It specifically looks for keywords like 'miningpool', 'stratum', 'xmr', 'ethash', 'moneropool' in the remote URL or specific IP addresses like 'connect.moneropool.com' and 'pool.supportxmr.com'. This activity often indicates unauthorized resource hijacking (cryptojacking) on the affected device.
Detects the creation of scheduled tasks using the 'schtasks.exe' utility with the '/Create' argument. This can indicate an adversary establishing persistence or scheduling malicious activity.
This rule detects suspicious process creation patterns indicative of the MuddyWater (also known as RustyWater) APT group. Specifically, it looks for Microsoft Office applications (Word, Excel, PowerPoint) launching scripting or Living Off The Land Binaries (LOLBins) such as cmd.exe, powershell.exe, mshta.exe, rundll32.exe, wscript.exe, or cscript.exe. The detection is further narrowed down by checking if these processes are created in suspicious writable paths like ProgramData, Users\Public, AppData\Roaming, or AppData\Local\Temp. Additionally, the rule includes optional enrichment for known MuddyWater/RustyWater payload names (reddit.exe, art.exe, cloud.exe, nginx.exe), persistence via the Run registry key, and the dropping of a specific staging artifact named 'CertificationKit.ini'.
This rule detects common chromium browser processes establishing outbound network connections to known C2 domains associated with malicious 'ChatGPTStealer' infostealer extension. Detections by this rule indicates a high likelihood that a malicious chromium infostealer extension is currently or had been installed on an endpoint.
Detects execution of TruffleHog, an open-source tool used to search repositories, files, and environments for secrets and credentials. Adversaries may use it to discover exposed credentials or sensitive information within source code or configuration files
Detects suspicious process access to common credential storage locations such as certificate stores, PCPKSP keys, and CloudAPCache for AzureAD credentials. The severity of the alert is escalated based on the initiating process and command line arguments, specifically looking for keywords like 'mimikatz', 'dump', or 'export'.
Detects the execution of a JScript file by cscript.exe using a legacy NTFS 8.3 shortname format. This is a specific behavior observed in Gootloader's persistence mechanism, where a .LNK file in the Startup folder executes a second-stage script.
This rule detects outbound network connections initiated by 'chrome.exe' to a predefined list of known Command and Control (C2) domains over HTTPS (port 443). This indicates potential communication with malicious infrastructure.
Detects the installation of malicious Chrome extensions known to steal ChatGPT/DeepSeek conversations by looking for the creation of files in directories named with specific malicious extension IDs. This rule identifies file creation events within folders corresponding to known malicious Chrome extension IDs, indicating their installation on a device.
SharpSuccessor is a .NET-based post-exploitation tool designed to weaponize the BadSuccessor attack discovered by Yuval Gordon (@YuG0rd) from Akamai. It allows a low-privileged user with 'CreateChild' permissions over any Organizational Unit (OU) in an Active Directory domain to escalate privileges to Domain Administrator. This detection rule identifies execution patterns or behavioral indicators linked to SharpSuccessor activity, which may signal privilege escalation attempts in Active Directory environments.
Detects the execution of PowerShell with command-line arguments containing keywords indicative of in-memory download and execution, such as '-enc' or '-EncodedCommand' used in conjunction with 'IEX' (Invoke-Expression) or 'DownloadString'. This pattern is a common TTP for initial access and second-stage payload delivery, and was observed in the exploitation of CVE-2025-55182 (React2Shell).
Detects browser processes launched with a specific combination of command-line flags used by Evelyn Stealer to hide its activity and bypass security. This combination includes headless mode, a disabled sandbox, and an off-screen window position.
This rule detects network connections initiated by 'tor.exe' or 'meek-client.exe', indicating potential use of the Tor anonymity network. It enriches the events with process and certificate information to provide context about the initiating process and its trust status.
Detects a sequence of events where a Protected Process Light (PPL) security process attempts to load a DLL from a non-standard path and then terminates shortly after. This pattern is a strong indicator of the EDRStartupHinder technique, where a critical system DLL is redirected to an invalid copy, causing the PPL process to fail its integrity check and self-terminate.
Detects Microsoft Word making an outbound network connection and subsequently spawning the Equation Editor process (EQNEDT32.EXE). This behavior is associated with the exploitation of CVE-2017-11882 via a malicious remote template.
Detects suspicious commands written to the Windows RunMRU registry key, which stores the history of commands executed via the Windows Run dialog (Win+R). This activity is often associated with the "ClickFix" social engineering technique, where users are tricked into pasting and running malicious commands. The rule identifies various suspicious indicators, including fake verification messages, PowerShell commands with obfuscation or download cradles, mshta, wscript, curl, wget, rundll32, bitsadmin, ssh proxy abuse, and obfuscated command line arguments.
Detects a script process (wscript.exe/cscript.exe) creating files in a specific HP-themed path and then creating a Run key for persistence, indicative of the Turla Kazuar VBScript dropper.
Detects the execution of a Python script characteristic of the AsyncRAT polymorphic APC injector. This involves python.exe running a script with arguments for an input binary file (-i *.bin) and a key file (-k *.txt).
Detects a suspicious process chain involving wscript.exe spawning powershell.exe, which then spawns MSBuild.exe. This specific chain is characteristic of the SHADOW#REACTOR malware campaign, indicating potential execution of malicious code via trusted utilities.
Detects the modification of the registry to disable RDP Restricted Admin mode. This allows attackers to access plaintext credentials from the remote machine. This TTP is associated with the threat actor UAT-8837.
This rule detects when Microsoft Office applications (Word, Excel, PowerPoint) create INI files within the `C:\ProgramData\` directory. This behavior can be indicative of malicious activity, such as macro-enabled documents dropping configuration files or payloads, or other forms of malware attempting to establish persistence or store data in a less scrutinized location.
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