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Security audit

Windows Hardening

Security checks for vulnerabilities and agentic risk

Overview

This skill is a straightforward external API wrapper for generating Windows hardening configurations, with some privacy and operational cautions users should review before use.

Before installing or using this skill, treat generated hardening files and request metadata as information sent to a third-party API. Do not include sensitive internal identifiers unless necessary, review the provider's privacy and retention terms, and test generated policies in a staging environment before applying them to production or remotely managed Windows systems.

A.I.G

Vulnerability Patterns
  • Skill Instruction HijackingAlters the agent's session goals or safety constraints when the skill loads
  • Agent Memory PoisoningWrites attacker-controlled rules into memory that affect later sessions
  • Remote Payload Retrieval and ExecutionFetches external code whose behavior can change after review
  • Embedded Malicious CodeShips malicious scripts inside the skill and executes them locally
  • Unauthorized Access and Privilege EscalationObtains permissions beyond the task's legitimate needs

SkillSpector

Vulnerability Patterns
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
Findings (4)

External Transmission

Medium
Category
Data Exfiltration
Confidence
76% confidence
Finding

The skill returns a download URL on an external domain, meaning generated hardening configurations and associated request metadata are transmitted through or retrieved from a third-party service. In the context of security configuration generation, this is sensitive because the resulting files may reveal an organization's intended hardening posture, internal standards, or deployment details to an external provider.

Content

Scanner excerpt · SKILL.md (reported line 77)May include surrounding context.

"status": "configured" } }, "downloadUrl": "https://api.mkkpro.com/hardening/download/cfg-2024-001-hw7k2x", "expiresIn": 86400 }

text

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
91% confidence
Finding

The skill advertises generation of Windows hardening policies that can disable services and restrict remote access, but it does not warn users about the operational risk of applying these settings to production or remotely managed hosts. This can lead to accidental denial of service, loss of administrative access, or disruption of dependent business systems when users apply generated configurations without adequate review or staging.

Content

No source excerpt is available for this finding.

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 199)May include surrounding context.

md
## References

- **Kong Route:** https://api.mkkpro.com/hardening/windows
- **API Docs:** https://api.mkkpro.com:8125/docs

Missing User Warnings

Low
Category
Not specified by scanner
Confidence
83% confidence
Finding

The skill describes session-based request tracking and accepts optional user identifiers, but it does not disclose how session IDs, user IDs, timestamps, or generated configurations are stored, retained, or shared. This creates a privacy and governance risk because users may transmit identifying or environment-specific metadata to a third-party service without informed consent or data-handling expectations.

Content

No source excerpt is available for this finding.