pypi · Malicious package advisory
Malwarespellcheckers
MAL-2025-191533
Malicious code in spellcheckers (PyPI)
Details
--- _-= Per source details. Do not edit below this line.=-_ ## Source: google-open-source-security (c83520810b148ec74e509b16851a1fafa1bec576b502a5debabd9b52520d9754) This package is malicious and typosquating the legitimate pyspellchecker library. This package will deploy a remote-access trojan that allows the attacker full control of the victim's host. ## Source: kam193 (6585d4c29dd97a1e46f30047c7d67a6e4bbb19f9b41bc1f9ff0b5fc34b839c75) Package contains hidden code that is effectively run during importing and downloads second stage code. Then, a process running in background periodically connects to a remote host and waits for next code to execute --- Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers. Campaign: 2025-11-spellcheckers Reasons (based on the campaign): - obfuscation - Downloads and executes a remote malicious script. - The package contains code to execute remote commands (probably limited to a specific set) on the victim's machine.
Compromised versions (7)
- 1.4.0
- 1.3.0
- 1.2.0
- 1.1.1
- 1.1.0
- 1.0.0
- 1.5.0
Any computer that installed or ran a compromised version should be considered fully compromised. Rotate every secret on that machine from a clean environment.