okitePyPI
Malicious code in okite (PyPI) Remove it immediately and rotate any exposed credentials.
What this malware does
The package installs okite-setup.pth, which Python auto-loads on every interpreter start. The.pth file contains a one-line obfuscated exec() of a string program (variables reduced to one- and two-character names like _o, _s, _u, _b, _z, _zf) that performs urllib.request.urlretrieve against https://github.com/oven-sh/bun/releases/download/bun-v1.3.13/bun-{platform}-{arch}.zip, extracts the Bun JavaScript runtime to /tmp/b/bun, chmods it 0755, and runs a sibling _index.js (with a glob fallback */_index.js) via subprocess as bun run _index.js. Execution is gated only by a /tmp/.bun_ran sentinel so it fires once per temp directory lifetime. The stated package purpose is "A Pythonic RPC package" — there is no legitimate reason an RPC library would fetch and execute an alternate language runtime, and routing the payload through Bun deliberately bypasses Python-level inspection of the actual behavior. The combination of (a) execution at every interpreter start via.pth abuse, (b) outbound fetch of a runtime from a third-party release host, (c) use of that runtime to execute a bundled JS file, and (d) heavy obfuscation in a file format that should contain only import statements is an unambiguous alternate-runtime-dropper pattern.
Versions 0.0.7, 0.0.8 were compromised.
Compromised packages start an obfuscated infostealer. The infostealer is a heavily obfuscated JavaScript code executed using Bun runtime on Python startup. It collectes all kinds of sensitive data, including API keys, credentials to package repositories, cryptocurrency assets, password manager data. Infostealer actively queries online services to collect additional secrets as well as attempts to gain persistence and spread further by publishing infected packages using collected credentials. Data are exfiltrated likely using Github. The code seems to threaten to wipe the user's data if it detects invalid GitHub tokens. Cleanup should be done with caution.
It seems to be related to the recent Mini Shai Hulud campaign.
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2026-06-compr-woodpecker
Reasons (based on the campaign):
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compromised-package
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exfiltration-env-variables
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exfiltration-cloud-tokens
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exfiltration-credentials
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abuses-pth
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obfuscation
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infostealer
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The package contains code to detect if it is running in a sandbox environment.
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exfiltration-crypto
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files-exfiltration
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destructive-actions
Malicious versions
Indicators of compromise (SHA-256)
Detection & response playbook
Credential / info stealerFind it
Scan your lockfiles (package-lock.json, pnpm-lock.yaml, yarn.lock, requirements.txt, poetry.lock, etc.) and build artifacts for okite (2 malicious versions). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging okite across your stack and pipelines.
If you installed it — respond
okite is built to steal secrets, so assume every credential the build or runtime could read is compromised. Remove it from your project and lockfile, then rotate ALL exposed secrets — npm/registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values — from a known-clean machine. Audit logs for unauthorized use of those credentials.
Did it already run?
If okite was ever installed, its post-install/runtime payload may have already executed. O3's L7 egress monitoring and runtime eBPF sensors detect the credential exfiltration or command-and-control callback after install and block the malicious outbound channel, so you catch and contain the actual compromise — not just the presence of the package.
How O3 protects you
O3 blocks okite before install through its supply-chain scanner, and if it has already run, detects and severs the exfiltration or C2 callback at runtime through L7 egress monitoring and eBPF.
Frequently asked questions
Campaign
References
Credits
- Amazon Inspector · finder
- Kamil Mańkowski (kam193) · reporter
Detect & block this
O3 blocks okite-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.