calculator-c08d6d50f5964131PyPI
Advisory published Updated
calculator-c08d6d50f5964131 is a confirmed malicious PyPI package (MAL-2024-12229) that opens a backdoor for remote access (malicious version 1000.0.2). Do not install it — remove it immediately and rotate any exposed credentials.
Malicious code in calculator-c08d6d50f5964131 (PyPI)
What this malware does
Clearly research/pentesting examples containing reverse shell.
Category: PROBABLY_PENTEST - Packages looking like typical pentest packages, but also anything that looks like testing, exploring pre-prepared kits, research & co, with clearly low-harm possibilities.
Campaign: GENERIC-examples-with-revshell
Reasons (based on the campaign):
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dependency-confusion
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The package contains code to create a reverse shell, allowing an attacker to execute any commands on the victim's machine.
Malicious versions
Indicators of compromise (SHA-256)
Detection & response playbook
Backdoor / remote accessFind it
Search your lockfiles and build artifacts for calculator-c08d6d50f5964131 (version 1000.0.2).
If you installed it — respond
calculator-c08d6d50f5964131 establishes remote access, so treat any host that installed it as fully compromised. Isolate the machine, remove the package, rotate all credentials it could reach, and rebuild from a trusted image rather than cleaning in place — a backdoor may have planted additional persistence.
Did it already run?
If calculator-c08d6d50f5964131 was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.
Frequently asked questions
Campaign
References
Credits
- Kamil Mańkowski (kam193)
Detect & block this
O3 blocks calculator-c08d6d50f5964131-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the C2 callback and severs the channel.