Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects potential suspicious run-only executions compiled using OSACompile
Detects the use of rclone, a command-line program to manage files on cloud storage, via its default user-agent string
Detects network connections to blockchain APIs that are indicative of EtherHiding techniques, specifically those used by UNC5342 to retrieve malicious payloads. It identifies connections to domains containing keywords like 'explorer', 'block', 'cypher', 'eth', 'bit', 'coin', or 'crypto', combined with suspicious URL patterns such as 'eth_call' (a read-only function call for smart contracts) or 'apiKey=freekey' (a common free API key used by threat actors).
Detects the creation of a Keras model file (.keras) that contains suspicious file paths or URLs. This may indicate an attempt to exploit CVE-2025-12058 for local file inclusion or server-side request forgery (SSRF).
Detects the execution of the Ligolo-ng tunneling tool, which is used by the Silent Lynx APT group for command and control and network pivoting.
This query is oriented to identify and classify browser extensions by group and risk severity based on a well-known list of browser extension.
This rule detects when a user is added to the local 'admin' group on a macOS system using either the `dscl` or `dseditgroup` command-line utilities. It specifically looks for command-line arguments indicative of adding a user to the 'admin' group. There is a whitelist for legitimate MDM solutions like 'jamfmanager' to reduce false positives.
Detects the XOR decryption function used in macOS variants of OceanLotus (APT32). This rule targets a specific byte sequence identified in the malware's decryption routine.
This rule detects a sequence of events indicative of a potential macOS ClickFix attack. It looks for a base64 encoded command executed by 'bash' or 'zsh', immediately followed (within 10 seconds) by a 'curl' command that initiates a network connection to a URL. The rule specifically excludes a whitelisted curl command to reduce false positives. The correlation of base64 execution, a subsequent curl command, and a successful network connection to the domain extracted from the curl command suggests an attempt to download and execute malicious content, possibly after decoding it.
Detects potential exploitation of the TARmageddon vulnerability (CVE-2025-62518) by identifying multiple writes to sensitive configuration files by the same process in a short time frame. This behavior can indicate a file overwrite attack where a malicious TAR archive smuggles and extracts a secondary file to hijack build processes or application configurations.
Detects behaviors associated with AMOS and Odyssey Stealer, including using osascript to perform anti-analysis checks via system_profiler and terminating OneDrive services to impair defenses.
Detects a sequence of events where a user visits a Cloudflare Pages URL (*.pages.dev) and shortly after, a suspicious command (mshta, powershell, or curl) is executed. This pattern is consistent with the UNC5142 threat actor's TTP of using social engineering lures hosted on Cloudflare Pages to trick users into running malicious commands.
Detects the interaction with macOS XPC services such as 'nsurlstoraged' and 'CoreSpotlightService' via 'xpcproxy'. This technique is used by malware like AMOS and Odyssey Stealer to blend malicious activity with legitimate system processes for stealth and persistence.
This rule detects potential command and control (C2) activity by identifying devices that first query 'api.ipify.org' (often used by malware to determine external IP addresses) and then subsequently establish an outbound network connection to a non-private IP address on port 7712. This sequence of events can indicate a compromised host attempting to beacon out to a C2 server after initial reconnaissance.
This rule detects attempts to add a user to the 'admin' group on macOS systems using the `dscl` command-line utility. Specifically, it looks for `dscl` commands that include the `-append` option, target the `/Groups/admin` path, and modify `GroupMembership`. This activity is often associated with privilege escalation or persistence by granting administrative rights to a standard user account.
This rule detects attempts to enable the guest account on macOS systems using the `sysadminctl` utility. Adversaries may enable the guest account to establish persistence, evade defenses, or gain initial access by leveraging a default, often less monitored, account.
Detects attempts to enable the root account on macOS systems using the 'dsenableroot' command-line utility. This action can be used for persistence, privilege escalation, or defense evasion by adversaries.
This rule detects the use of the PlistBuddy utility to modify LaunchAgents or LaunchDaemons on macOS. Specifically, it looks for command-line arguments that include 'RunAtLoad' and 'true', along with either 'LaunchAgents' or 'LaunchDaemons', indicating an attempt to establish persistence by configuring a program to run automatically at system startup or user login.
Detects attempts to create and add an account to the admin group via the `sysadminctl` utility on macOS. This action can be used for persistence, privilege escalation, or defense evasion by creating a new administrative user.
Detects attempts to add a user account to the 'admin' group on macOS using the `dseditgroup` utility, which grants administrative privileges to the added user. This action can be used for persistence, privilege escalation, or defense evasion by an attacker.
Detects the command line executed when TeamViewer starts a session initiated by a remote host. This rule specifically looks for the `TeamViewer_Desktop` process being launched by `TeamViewer_Service` with specific command-line arguments, indicating a remote connection. An investigator can verify connection details by viewing the "incoming_connections.txt" log file in the TeamViewer folder.
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