Rule Library

Sigma Rules

8 rules found for "Shai-Hulud"

3,731Total
3,132Detection
457Emerging
139Hunting
Emerging Threathighexperimental

Shai-Hulud Malicious GitHub Workflow Creation

Detects creation of shai-hulud-workflow.yml file associated with Shai Hulud worm targeting NPM supply chain attack that exfiltrates GitHub secrets

LinuxFile Event
Swachchhanda Shrawan Poudel (Nextron Systems)Wed Sep 242025
Emerging Threathighexperimental

Shai-Hulud Malware Indicators - Linux

Detects potential Shai-Hulud malware indicators based on specific command line arguments associated with its execution.

LinuxProcess Creation
Swachchhanda Shrawan Poudel (Nextron Systems)Tue Nov 252025
Emerging Threathighexperimental

Shai-Hulud Malicious Bun Execution - Linux

Detects the execution of `bun_environment.js` via the Bun runtime, a behavior associated with the Shai-Hulud "Second Coming" NPM supply chain attack. The malware uses a `setup_bun.js` script to install the Bun runtime if not present, and then executes the malicious `bun_environment.js` payload.

LinuxProcess Creation
Swachchhanda Shrawan Poudel (Nextron Systems)Tue Nov 252025
Emerging Threathighexperimental

Shai-Hulud 2.0 Malicious NPM Package Installation - Linux

Detects the command-line installation of specific malicious npm packages and versions associated with the Shai-Hulud 2.0 supply chain attack.

LinuxProcess Creation
Swachchhanda Shrawan Poudel (Nextron Systems)Fri Nov 282025
Emerging Threathighexperimental

Shai-Hulud NPM Package Malicious Exfiltration via Curl

Detects potential Shai Hulud NPM package attack attempting to exfiltrate data via curl to external webhook sites.

LinuxProcess Creation
Swachchhanda Shrawan Poudel (Nextron Systems)Wed Sep 242025
Emerging Threathighexperimental

Shai-Hulud Malware Indicators - Windows

Detects potential Shai-Hulud malware indicators based on specific command line arguments associated with its execution.

WindowsProcess Creation
Swachchhanda Shrawan Poudel (Nextron Systems)Tue Nov 252025
Emerging Threathighexperimental

Shai-Hulud Malicious Bun Execution

Detects the execution of `bun_environment.js` via the Bun runtime, a behavior associated with the Shai-Hulud "Second Coming" NPM supply chain attack. The malware uses a `setup_bun.js` script to install the Bun runtime if not present, and then executes the malicious `bun_environment.js` payload.

WindowsProcess Creation
Swachchhanda Shrawan Poudel (Nextron Systems)Tue Nov 252025
Emerging Threathighexperimental

Shai-Hulud 2.0 Malicious NPM Package Installation

Detects the command-line installation of specific malicious npm packages and versions associated with the Shai-Hulud 2.0 supply chain attack.

WindowsProcess Creation
Swachchhanda Shrawan Poudel (Nextron Systems)Fri Nov 282025