VYPR

pypi · Malicious package advisory

Malware

telethon-pro-safe

MAL-2026-4859

Malicious code in telethon-pro-safe (PyPI)

Details


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## Source: kam193 (8bc2e515c2eb7bf73ea5d532cfb6701dcaf3dd95e9d8248ee3d426b1d0c1ed8c)
During installation, package executes obfuscated code that starts a RAT-like software allowing remote control and exfiltrating sensitive data.


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


Campaign: 2026-05-telethon-pro-safe


Reasons (based on the campaign):


 - rat


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


 - exfiltration-credentials


 - exfiltration-browser-data


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


 - The package contains code to detect if it is running in a sandbox environment.


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


 - infostealer


 - obfuscation

Compromised versions (5)

  • 3.0.0
  • 3.0.1
  • 3.0.2
  • 3.0.3
  • 3.0.4

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