Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
3,641 detections
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Detects processes making HTTP/HTTPS requests to localhost on ports 40341 or 40342 for '/metadata'. This pattern can indicate local service discovery, inter-process communication, or potentially malicious activity attempting to interact with local services, possibly for credential access or privilege escalation.
Hidden User Use Case Monitors dslocal user plist modifications for IsHidden, indicating a concealed local account created or modified outside standard account management workflows.
Detects attempts to disable Gatekeeper assessment or modify System Integrity
Protection, common defense evasion before unsigned payload execution.
Protection, common defense evasion before unsigned payload execution.
This rule looks for a non-interactive shell process reading npmrc token files outside normal developer activity. Automated readers often belong to stealers. Rotate npm tokens and check publish history. Ask the person who used the computer whether they installed new software or clicked a link, and involve your security team if the answer is unclear.
Detects the execution of Google Chrome with specific command-line flags (--hide-crash-restore-bubble and --disable-session-crashed-bubble) that are often used by malware like FlutterShell to suppress crash recovery prompts and potentially evade detection or user interaction. This behavior can indicate an attempt to hide malicious activity or maintain persistence without alerting the user to abnormal browser states.
Detects download of malware builder or generator tools from code repositories
Detects IP geolocation lookups used to determine system geographic location
Detects automated social media account registration used for fake identity infrastructure
Detects command line activity indicative of probing endpoint detection and response (EDR) software directories such as CrowdStrike, Falcon, Carbon Black, and SentinelOne. The Miasma malware probes these exact paths to fingerprint host defenses before executing its credential theft module.
Detects enabling Hide500Users in com.apple.loginwindow plist preferences, which suppresses
sub-500 UID accounts from the login screen and System Settings.
sub-500 UID accounts from the login screen and System Settings.
This rule detects attempts to dump memory from the 'securityd' process on macOS systems, specifically looking for the string 'securityd' and 'ptrace' in TCP traffic on port 22. This activity is indicative of credential access attempts, as 'securityd' handles sensitive security information.
This rule detects attempts to dump the macOS Keychain via a remote SSH connection. It specifically looks for the string "security dump-keychain" within TCP traffic on port 22 (SSH). This command is used to extract credentials and other sensitive information stored in the macOS Keychain.
This rule detects a high volume of file creation events (100 or more within an hour) occurring in common development-related directories such as 'node_modules', 'packages', or 'vendor'. This activity can be indicative of legitimate software development processes like dependency installation or project builds. However, it can also signal malicious activity, particularly if observed on systems not typically used for development, or as part of a supply chain compromise where malicious dependencies are being introduced or built.
Detects hiding a user home folder with chflags, complementing account-level hiding
documented in T1564.002.
documented in T1564.002.
This rule detects the creation or modification of the '.vscode/extensions.json' file. This file is critical for managing extensions within Visual Studio Code environments. Attackers can exploit modifications to this file, as demonstrated in recent zero-day attacks, to introduce malicious extensions, potentially leading to code execution or other forms of compromise within a developer's environment. The detection focuses on file system events (creation and modification) targeting this specific configuration file.
Detects access to clipboard content via osascript, which may be used for data collection but also occurs in legitimate clipboard utilities and automation scripts
Detects the creation or modification of specific LaunchAgent plist files used by the arm64 and x86_64 variants of SStar Agent malware on macOS for persistence. The rule looks for file events (creation, modification, rename) within the /Library/LaunchAgents/ directory, specifically targeting 'com.wpnuersvc.agent.plist' and 'com.googleupdate.sstaragent.plist' filenames.
Detects hiding a user home folder with chflags, complementing account-level hiding, documented in T1564.002.
Detects delete/create sequences on the same /Users/ path within a short time window,
consistent with account attribute laundering during hidden user setup.
consistent with account attribute laundering during hidden user setup.
This rule detects when a file containing both ".plist" in its HTTP URI and "LaunchDaemon" in its content is delivered via HTTP. This combination suggests the download of a macOS LaunchDaemon property list file, which could be used for persistence or privilege escalation on macOS systems.
This rule detects the string "launchctl load" within TCP traffic on port 22 (SSH). This indicates an attempt to load a launchd service on a macOS or Linux system via a remote SSH connection. This activity could be legitimate system administration but also could be indicative of an attacker establishing persistence or executing malicious services.
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