identify-malicious-repository

Analyze GitHub repository metadata to detect fraudulent software distribution risks.

11|1|Updated May 16, 2026
One-click install
npx skills add https://github.com/Aradotso/security-skills --skill identify-malicious-repository
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: identify-malicious-repository
Source: https://github.com/Aradotso/security-skills/tree/main/skills/identify-malicious-repository
Command: npx skills add https://github.com/Aradotso/security-skills --skill identify-malicious-repository

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

It helps you detect fraudulent GitHub repositories that impersonate legitimate security products in order to trick you into downloading malware.

Core Features & Use Cases

  • Repository risk detection: Scores likelihood of malicious intent using signals like piracy/cracking language, suspicious engagement patterns, and brand impersonation.
  • Actionable warnings and guidance: Produces a risk level plus specific red flags and a clear recommendation not to download.
  • Defensive follow-ups: Offers steps for reporting, system scanning, and basic IoC-oriented checks after exposure.

Use case example: You find a newly created “Avast Premium Security” repository with “keygen” style claims and inflated stars but no real engagement; this skill helps you identify it as likely malicious and avoid downloading.

Quick Start

Use the identify-malicious-repository skill to analyze a suspicious GitHub repo and produce a risk level plus concrete red-flag reasons.

Frequently Asked Questions about identify-malicious-repository

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I check if a GitHub repository is a malware scam?

To check if a GitHub repository is malware, analyze its metadata for piracy language, engagement anomalies, and brand impersonation to calculate a risk score and determine if it is a fraudulent distribution scam.

What are the red flags of a fake security software repository on GitHub?

Red flags of a fake security software repository include crack or keygen claims, inflated star counts without real engagement, missing README files, and branding that impersonates legitimate security products to distribute malware.

How do I detect brand impersonation in a suspicious GitHub repo?

Detect brand impersonation in a GitHub repo by extracting its metadata and comparing the repository name and description against legitimate security product branding to identify mismatches and calculate a risk level.

What should I do after accidentally downloading malware from a fraudulent repo?

After downloading malware from a fraudulent repo, follow defensive steps including reporting the repository, scanning your system for infections, and performing basic indicator of compromise checks to ensure cyber safety.

Can I use repository analysis to score the risk of pirated software links?

Yes, you can use repository analysis to score the risk of pirated software links by evaluating piracy language and suspicious engagement patterns to output a risk level and specific warnings.

Does this malicious repository detection method work without external dependencies?

Yes, this malicious repository detection method works without external dependencies, relying solely on extracting available repository metadata like description, star and fork counts, and README presence to generate a risk score.