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Part of a larger attack: 2025-06-alembic-util published 8 malicious packages. See the full campaign →
Malicious package

api-request-helpersPyPI

Advisory published Updated

api-request-helpers is a confirmed malicious PyPI package (MAL-2026-3701) that steals credentials and exfiltrates sensitive data (malicious version 0.185.132). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in api-request-helpers (PyPI)

MAL-2026-3701
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
pip uninstall api-request-helpers

What this malware does

During installation, package exfiltrates some basic info to a GitHub issue comment, and then attempt to set up a persistent infostealer focused on exfiltrating crypto wallets and browsers data. Likely continuation of 2026-05-py-requests

Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.

Campaign: 2025-06-alembic-util

Reasons (based on the campaign):

  • infostealer

  • The package overrides the install command in setup.py to execute malicious code during installation.

  • crypto-related

  • Downloads and executes a remote malicious script.

  • exfiltration-browser-data

  • exfiltration-crypto

  • persistence

  • typosquatting

Malicious versions

1 flagged
0.185.132

Indicators of compromise (SHA-256)

c8e8b70ac4deca30691d583ac6891034222b7458bf5ba9e7b86cf5e6627d8abb

Detection & response playbook

Credential / info stealer
  1. Find it

    Search your lockfiles and build artifacts for api-request-helpers (version 0.185.132).

  2. If you installed it — respond

    api-request-helpers 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.

  3. Did it already run?

    If api-request-helpers was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Frequently asked questions

No. api-request-helpers on PyPI has been identified as a malicious package (version 0.185.132 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

2025-06-alembic-util

References

Credits

  • Kamil Mańkowski (kam193) · reporter

Detect & block this

O3 blocks api-request-helpers-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.

Explore

api-request-helpers (PyPI) malicious package — MAL-2026-3701 | O3 Security