Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
539 detections
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Detects attempts to create and/or add an account to the admin group, thus granting admin privileges.
Detects the execution of the nscurl utility in order to download files.
Detects when the macOS Script Editor utility spawns an unusual child process.
Detects attempts to create and add an account to the admin group via "sysadminctl"
Detects the execution of "sysctl" with specific arguments that have been used by threat actors and malware. It provides system hardware information.
This process is primarily used to detect and avoid virtualization and analysis environments.
This process is primarily used to detect and avoid virtualization and analysis environments.
Detects the use of tail to extract bytes at an offset from an image and then decode the base64 value to create a new file with the decoded content. The detected execution is a bash one-liner.
Detects the execution of a curl command downloading a shell script (.sh) directly into the /var/tmp/ directory. This technique is actively used in ClickFix social engineering campaigns, such as "Contagious Interview," where attackers manipulate developers into pasting malicious commands into the macOS Terminal to bypass Gatekeeper protections.
Detects the execution of the native macOS dscl utility with the -authonly flag. This technique is used by malware, such as Miolab Stealer, to silently validate phished user credentials captured via fake authentication prompts before escalating privileges or exfiltrating data.
Detects the installation or execution of compromised npm packages related to the Axios supply chain attack, with execution or reference to the dropped macOS RAT payload.
This rule detects the forced removal of legitimate cryptocurrency wallet applications (Ledger Wallet, Trezor Suite, Exodus) followed by the extraction of new applications into the /Applications directory on macOS. It also looks for chmod commands to make the new applications executable and attempts to download suspicious zip files from 'wusetail.com'. This activity is indicative of the AMOS malware campaign, which aims to replace legitimate wallet applications with trojanized versions to steal cryptocurrency.
Detects the execution of `system_profiler` querying memory and hardware data types. Atomic Stealer (AMOS) utilizes these environmental awareness checks prior to execution to evade analysis by determining if it is running within a virtual machine environment.
Detects 'osascript' (AppleScript) executing 'curl' to download a second-stage payload. This updated rule is tuned to detect specific indicators from a known campaign, such as the use of silent/insecure flags, downloads to hidden script files (e.g., .ex.scpt), or connections to known malicious domains.
Detects the renaming of the macOS TCC (Transparency, Consent, and Control) directory. This is a specific evasion technique where malware renames the directory to 'com.appled.tcc' to release file locks on the TCC.db, allowing for the injection of permissions.
Detects processes attempting to read or copy the Apple Keychain database file (login.keychain-db). Unauthorized access to this file is a strong indicator of credential theft activity, as seen with stealers like AMOS.
Detects xattr quarantine removal on a file in a writable location, often used before executing downloaded malware such as AMOS delivered via malicious skills.
Detects the execution of 'osascript' to display a deceptive system dialog box mimicking a 'System Preferences' password prompt. This technique is used by malware like the Atomic macOS Stealer (AMOS) to trick users into entering their administrative password for credential theft.
Detects curl or wget download followed by chmod and execution, consistent with staged malware delivery used by malicious OpenClaw skills distributing AMOS.
Detects Base64 decoded content being executed via a shell on macOS, consistent with malicious OpenClaw skill style obfuscated command execution.
Hunts for unwarranted hardware additions through USB device connections in macOS Unified Logs. In an environment where USB devices are not permitted.
In the absence of system.log, which used to show USB entries in previous macOS versions, this rule attempts to watch for this activity.
In the absence of system.log, which used to show USB entries in previous macOS versions, this rule attempts to watch for this activity.
Detects the execution of osascript to display a deceptive dialog box mimicking 'System Preferences' to harvest user passwords. This technique was observed being used by the Atomic Stealer (AMOS) malware.
This rule detects attempts to use outdated or weak cryptographic algorithms and protocols by monitoring command-line arguments of common network and cryptographic utilities. Specifically, it looks for the use of RC4, DES, 3DES, RSA1024, MD5 ciphers, or TLS 1.0, TLS 1.1, and SSL 3.0 protocols, as well as the '--insecure' flag, when executed by applications like openssl, gpg, ssh, or curl. This could indicate an adversary attempting to downgrade cryptographic protections to facilitate eavesdropping or other attacks.
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