@or-sdk/deployments@2.1.7
Malicious code in @or-sdk/deployments (npm)
T1059.007 · JavaScriptT1105 · Ingress Tool TransferT1027 · Obfuscated Files or Information
Analysis
The package's preinstall hook (setup.mjs) downloads the Bun JavaScript runtime from a GitHub release and uses it to execute a bundled 727KB obfuscated script (math_init.js) at install time. The script is obfuscated with a custom decoder over a large encoded string array, hiding its behaviour from inspection. The package also depends on other packages in the same namespace that are known-malicious. Installing this package runs the obfuscated payload automatically during npm install.
- analyzed by
- Leitwacht
- first seen
- Aug 4, 2026, 11:59 AM
- analyzed
- Aug 4, 2026, 04:05 PM
- weekly installs
- 63
Related advisories
- @or-sdk/base@0.44.6
- @or-sdk/sdk-api@0.29.4
- @or-sdk/providers@0.3.8
- @or-sdk/markdowner@0.5.3
- @or-sdk/payments@3.2.7
- @or-sdk/flow-templates@2.1.7
- @or-sdk/idw-skill@1.4.3
- @or-sdk/api-tokens@1.4.4
Independently detected by the Leitwacht supply-chain probe. IOCs are defanged. Published CC0. Think this is a mistake? See the dispute policy.