Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
733 detections
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This rule detects potentially malicious activity associated with known supply chain compromise indicators in npm packages (such as Keyv and associated malicious scripts). It flags the execution of specific suspicious files (e.g., 'setup.mjs', 'Math_Symbol.js') or the use of specific versions of common packages known to be associated with recent supply chain attacks, when executed via npm or node.js runtime.
Detects Shai-Hulud / ChainDrop activity by correlating known malicious hashes, npm/Node/Bun execution, payload artifacts, IDE persistence, credential discovery, cloud metadata access, GitHub exfiltration, C2 domains, Ethereum RPC activity, staging files, persistence artifacts, and known IOC IP connections.
Detects creation of the stage-2 payload files distributed with the compromised keyv and
cacheable packages. Math_Symbol.js is a ~728 KB Bun bundle shipped in the tarball and written
to disk as math_init.js by the loader; bun-dl-* directories are used to stage the downloaded
Bun runtime. These filenames are specific to the campaign and should be treated as high
fidelity indicators.
cacheable packages. Math_Symbol.js is a ~728 KB Bun bundle shipped in the tarball and written
to disk as math_init.js by the loader; bun-dl-* directories are used to stage the downloaded
Bun runtime. These filenames are specific to the campaign and should be treated as high
fidelity indicators.
Detects the execution of an executable file initiated by npm during the postinstall process. This behavior is often indicative of a software supply chain attack where a malicious package executes code immediately after installation.
Detects malicious persistence hooks in IDE configuration files (.claude/settings.json, .vscode/tasks.json) used by the ChainDrop or Mini Shai-Hulud npm worm to execute unauthorized JavaScript payloads upon opening a repository.
This rule detects potentially malicious activity associated with known supply chain compromise indicators in npm packages (such as Keyv and associated malicious scripts). It flags the execution of specific suspicious files (e.g., 'setup.mjs', 'Math_Symbol.js') or the use of specific versions of common packages known to be associated with recent supply chain attacks, when executed via npm or node.js runtime.
Temporal correlation of the two highest-confidence stages of the keyv/cacheable compromise:
a setup.mjs preinstall hook executing, followed within 15 minutes on the same host by a Bun
runtime executing from a staging or node_modules path. Either alone is tunable noise on a
developer estate; the pair is the campaign. Use this as the alerting rule and keep the base
rules at correlation-input severity.
a setup.mjs preinstall hook executing, followed within 15 minutes on the same host by a Bun
runtime executing from a staging or node_modules path. Either alone is tunable noise on a
developer estate; the pair is the campaign. Use this as the alerting rule and keep the base
rules at correlation-input severity.
Detects the execution of npm, pnpm, or yarn commands used to install or add specific beta releases of the @joyfill/layouts and @joyfill/components packages, which are known to contain malicious code designed to deliver a multi-stage RAT.
Detects malicious persistence hooks in IDE configuration files (.claude/settings.json, .vscode/tasks.json) used by the ChainDrop or Mini Shai-Hulud npm worm to execute unauthorized JavaScript payloads upon opening a repository.
Detects creation of a VS Code/Open VSX extension folder whose name reuses a known legitimate vendor namespace (AMD, Azure, Salesforce, Hyperledger, LEGO Education, IOTA, US government) but is published at an implausibly low version (0.0.1 or 0.0.2), matching the 'evil twin' extension-confusion pattern.
Detects malicious persistence hooks in IDE configuration files (.claude/settings.json, .vscode/tasks.json) used by the ChainDrop or Mini Shai-Hulud npm worm to execute unauthorized JavaScript payloads upon opening a repository.
Detects Node.js processes executing code from compromised Joyfill beta packages (@joyfill/layouts or @joyfill/components). The rule triggers when a Node.js process attempts to load specific files or interact with file paths associated with these packages, which are indicative of an attempt to bypass standard installation security measures (like --ignore-scripts) and execute malicious code during package import.
An adversary may be leveraging the compromised Visual Studio Code extension nrwl.angular-console-18.95.0 to gain initial access, execute malicious code, or compromise developer environments through trusted VSCode extension installations.
No description available.
Detects installation or require-time execution of known-malicious SleeperGem RubyGems package versions (git_credential_manager 2.8.0-2.8.3, Dendreo 1.1.3-1.1.4, fastlane-plugin-run_tests_firebase_testlab 0.3.2) via gem install/bin/install command lines, and matches the same version strings when found in Gemfile.lock dependency manifests.
Detects suspicious execution patterns associated with the SleeperGem supply chain attack, where a compromised Gem install script (git_credential_manager-2.8.3/bin/install) spawns shell or PowerShell commands to trigger secondary malicious scripts like deploy.sh or redirects output to /dev/null.
Detects SleeperGem RubyGems supply chain artifacts: hardcoded Forgejo C2 reference in gem Ruby source, the git-credential-manager binary dropped under the hidden gcm path, and supporting deploy.sh/persistence indicators (ping6 backdoor, systemd/cron service under the git-credential-manager name)
Detects deletion of GitHub Actions workflow files combined with anomalous branch names/commit hashes, indicating the attacker concealing the malicious CI workflow used in this supply-chain compromise.
Detects installation or require-time execution of known-malicious SleeperGem RubyGems package versions (git_credential_manager 2.8.0-2.8.3, Dendreo 1.1.3-1.1.4, fastlane-plugin-run_tests_firebase_testlab 0.3.2) via gem install/bin/install command lines, and matches the same version strings when found in Gemfile.lock dependency manifests.
Detects installation or require-time execution of known-malicious SleeperGem RubyGems package versions (git_credential_manager 2.8.0-2.8.3, Dendreo 1.1.3-1.1.4, fastlane-plugin-run_tests_firebase_testlab 0.3.2) via gem install/bin/install command lines, and matches the same version strings when found in Gemfile.lock dependency manifests.
Detects host reconnaissance commands (e.g., pip freeze, id, hostname -I) spawned by processes whose command line references the malicious 'mrmustard' Python package. This links discovery activity directly to the context of the supply chain compromise.
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