VYPR

pypi · Malicious package advisory

Malware

iscc-flag

GHSA-365r-g9m9-jm84

Malicious code in iscc-flag (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 0.0.1`

## Source: kam193 (cb80cd1cd16dd0ba2beb2e560000380b1eb3cb60d947ed49d5ce9bfb4b12008f)
Installing starts a reverse shell


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


Campaign: 2025-07-anku2-rce


Reasons (based on the campaign):


 - The package contains code to create a reverse shell, allowing an attacker to execute any commands on the victim's machine.


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

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/iscc-flag/MAL-2025-6527.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/iscc-flag
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/iscc-flag/MAL-2025-6527.json
- https://github.com/advisories/GHSA-365r-g9m9-jm84

Compromised versions (1)

  • = 0.0.1

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