thisismytest123

GHSA-v389-82cp-4m7f

Malicious code in thisismytest123 (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 1.0.0`

## Source: kam193 (7640ee5ded7bcafbd9863565d68a7768bdc9bd2abca56a69d73576e7e9b2c0df)
During installation, if run under a specific username, the package downloads and installs two executables identified as backdoors trojans.


---

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


Campaign: 2026-03-thisismytest123


Reasons (based on the campaign):


 - Downloads and executes a remote executable.


 - backdoor


 - malware

## Source: ossf-package-analysis (7587966a3d79cfe783b06cfea4893cd3d3c445d8c1783c81d4b1ff797e591141)
The OpenSSF Package Analysis project identified 'thisismytest123' @ 1.0.0 (pypi) as malicious.

It is considered malicious because:

- The package executes one or more commands associated with malicious behavior.

---

Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/thisismytest123/MAL-2026-2255.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/thisismytest123
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/thisismytest123/MAL-2026-2255.json
- https://www.virustotal.com/gui/file/28d6c2c26ed631981fc9575a452b45b8b741d172769d5d8366a4269536236ab3/detection
- https://www.virustotal.com/gui/file/d06d2288d3aa76675947137279e6db4d5a31d3ab3a46720d15df4c4d2d52b9d3/detection
- https://github.com/advisories/GHSA-v389-82cp-4m7f

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.