@or-sdk/transcripts@1.2.7
Malicious code in @or-sdk/transcripts (npm)
T1059.007 · JavaScriptT1105 · Ingress Tool TransferT1027 · Obfuscated Files or Information
Analysis
The package's preinstall hook (node setup.mjs) downloads the Bun JavaScript runtime from github[.]com/oven-sh/bun/releases and executes a 727KB heavily-obfuscated Bun-compiled bundle (math_init.js) with it during installation. The package is otherwise a plain HTTP API client for a transcripts service and has no legitimate need to download a runtime or run an obfuscated 727KB payload at install time. The obfuscated payload's behaviour cannot be determined statically; it runs arbitrary code on the installer's machine at install.
- analyzed by
- Leitwacht
- first seen
- Aug 4, 2026, 11:56 AM
- analyzed
- Aug 4, 2026, 03:24 PM
Related advisories
- @or-sdk/base@0.44.6
- @or-sdk/sdk-api@0.29.4
- @or-sdk/providers@0.3.8
- @or-sdk/identifiers@0.27.8
- @onereach/v-event-calendar@0.1.24
- @or-sdk/bot-templates@2.2.7
- @or-sdk/qna@3.4.4
- @onereach/orest-input-cli@1.18.3
Independently detected by the Leitwacht supply-chain probe. IOCs are defanged. Published CC0. Think this is a mistake? See the dispute policy.