boto4

Details

**Severity:** Critical

**Affected versions:** `= 1.0.0`

## Source: kam193 (b928f1f0d3af6242391cc626a8601d24f60c70d862bfebe6cfe0777c13a8c0b2)
During installation, package executes an embedded executable. The executable is capable of executing remote commands, establishing persistence, cryptomining, exfiltrating basic data, further network scanning and worm-style propagation. Actions are controlled via a Telegram bot.


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


Campaign: 2026-08-boto4


Reasons (based on the campaign):


 - cryptominer


 - worm


 - network-scan


 - The package contains code to exfiltrate basic data from the system, like IP or username. It has a limited risk.


 - uses-telegram-bot


 - persistence


 - The package contains code to execute remote commands (probably limited to a specific set) on the victim's machine.

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/893f2e519643dbfee2854f237d0e24714a16c3b6/osv/malicious/pypi/boto4/MAL-2026-14349.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/boto4
- https://github.com/ossf/malicious-packages/blob/893f2e519643dbfee2854f237d0e24714a16c3b6/osv/malicious/pypi/boto4/MAL-2026-14349.json
- https://github.com/ossf/malicious-packages/blob/2e21bf6d54d5fd4fc49cbecf6c55a7d0420028e6/osv/malicious/pypi/boto4/MAL-2026-14349.json
- https://pypi.org/project/boto4/1.0.0
- https://pypi.org/project/boto4/1.0.2
- https://github.com/advisories/GHSA-ffh8-mpww-qp8g

Compromised versions (1)

• = 1.0.0

Any computer that installed or ran a compromised version should be considered fully compromised. Rotate every secret on that machine from a clean environment.