Skip to main content
affpapa.org
RU EN
skill CX Codex

avast-premium-security-analysis — Claude Code skill: antivirus

A skill for studying Avast Premium Security components and antivirus protection mechanisms. Useful when you take apart defensive software inside an isolated environment.

Install into Claude Code · Skills CLI (Vercel) All methods and platforms ↓ 
npx skills add reason-machines/security-skills --skill avast-premium-security-analysis -a claude-code
Open on GitHub

What avast-premium-security-analysis does

The skill hands your agent context on Avast Premium Security internals: the engine, the behavior shield, and how file operations get intercepted. It ships C++ examples for Windows — watching a directory with ReadDirectoryChangesW, matching files against signatures, observing process injection. There is also a section on spotting pirated builds and a list of legitimate sources such as ClamAV and YARA.

Run this in an isolated virtual machine only. The skill states plainly that production systems are off limits, because poking at antivirus hooks and samples can take down the machine you are protecting. Building the examples needs Windows and a C++ compiler; parts of the code lean on windows.h and MpClient.h.

The warning about repos offering keygens and pre-activated builds is the part worth reading twice. A cracked antivirus opens the door to exactly what you installed it against. That is a good reason to check where your samples come from.

What it helps with

  • trace how an antivirus intercepts file operations
  • write directory monitoring with ReadDirectoryChangesW
  • tell a legitimate security repo from one shipping a keygen
  • set up an isolated VM for sample analysis
  • build a basic signature scanner for files

Example prompts for the agent

  • show me how the behavior shield works in Avast Premium Security
  • help me write directory monitoring with ReadDirectoryChangesW for a learning scanner
  • what signs give away a repo with a pirated antivirus build

How to install avast-premium-security-analysis

1Skills CLI (Vercel)

npx skills add reason-machines/security-skills --skill avast-premium-security-analysis -a claude-code

2Manually: put the files in place

~/.claude/skills/avast-premium-security-analysis/SKILL.md

Copy the whole skill folder; for one project use .claude/skills/avast-premium-security-analysis/

Step by step, with commands for each platform: How to install skills in Claude Code: five ways

Questions about avast-premium-security-analysis

How do I install avast-premium-security-analysis in Claude?

Run npx skills add reason-machines/security-skills --skill avast-premium-security-analysis -a claude-code. The skill file then lands at ~/.claude/skills/avast-premium-security-analysis/SKILL.md.

What does avast-premium-security-analysis do?

It walks through Avast Premium Security components and antivirus techniques: file operation interception, behavior analysis, process injection detection. The examples are C++ for Windows.

Where is it safe to run this analysis?

In an isolated virtual machine. The skill warns against testing on production systems, since working with hooks and samples can break protection on the machine itself.

Similar skills

All skills for Security →
security-webshells Eyadkelleh A set of PHP, ASP, ASPX, JSP, Python and Perl web shell samples for testing detection systems and analysing malware. CX Codex +1 539installs powershell-security-hardening VoltAgent Community This subagent hardens PowerShell scripts, remoting, and Windows settings. Use it to review automation, credentials, logs, and CI/CD security gates. 194installs analyzing-malware-persistence-with-autoruns mahipal A skill that walks the agent through Windows persistence hunting with Sysinternals Autoruns: registry keys, services, tasks, drivers. Built for incident response. CX Codex +1 356installs windows-av-evasion yaklang A playbook skill for bypassing AV and EDR on Windows: AMSI, ETW, .NET assembly loading, shellcode execution, process injection. CX Codex +1 3,600installs windows-lateral-movement yaklang A playbook for moving between Windows hosts with PsExec, WMI, WinRM, DCOM, RDP, pass-the-hash and pass-the-ticket. Useful once you already hold one machine. CX Codex +1 3,500installs

From the same set17

avast-premium-security-malware-analysis A skill for studying Avast Premium Security internals: behavior shield, real-time protection, malware detection. Built for educational and defensive research. CX Codex +1 1,100installs report-malicious-repository Flags repositories that pose as antivirus or other commercial software and walks you through filing a GitHub report. CX Codex +1 1,100installs avast-security-awareness Trains your agent to flag repositories posing as antivirus tools or cracked software, and to warn you before anything gets downloaded. CX Codex +1 1,100installs malware-warning-avast-keygen This skill spots repositories posing as an Avast Premium Security crack or keygen and explains why nothing from them should be run. CX Codex +1 1,100installs security-threat-awareness Flags repositories that disguise malicious downloads as legitimate security tools. Use it before installing software from GitHub. CX Codex +1 1,000installs malware-analysis-dragonflyTomb-avast A skill for pulling apart repositories that pose as antivirus installers. It helps you tell a fake distribution from the real thing. CX Codex +1 1,000installs avast-premium-security-awareness A skill that flags repositories posing as antivirus software while actually pushing malware. CX Codex +1 1,000installs malware-warning-bitdefender-crack Flags repositories that disguise malware as cracked Bitdefender software and helps explain the signals behind the threat. CX Codex +1 971installs

Project sponsors

Companies that keep this analytics open
Gold sponsor
Nutra.Club

Impressions, clicks and code copies — open statistics. We keep the numbers public for the same reason NeBlask itself is public. Become a sponsor