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Security audit

Guaikei Kuaishou Public Post Fetcher

Security checks across malware telemetry and agentic risk

Overview

This skill is a disclosed Kuaishou public-data fetching tool that uses a third-party API and saves results locally, with no evidence of hidden execution, privilege escalation, or unrelated data access.

Install only if you are comfortable sending Kuaishou search terms or URLs to guaikei.com with your GUAIKEI_API_TOKEN. Review and clean the generated logs/ directory because it may contain scraped comments, URLs, creator data, and business research results.

A.I.G

By Tencent
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

By NVIDIA
Vulnerability Patterns
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • 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 (1)

Missing User Warnings

Medium
Confidence
90% confidence
Finding
The README states that all task results are automatically saved to the `logs/` directory, but it does not clearly warn users that scraped content, URLs, keywords, and potentially sensitive business intelligence may be persisted locally. In a data-scraping tool, silent local retention increases the risk of unintended disclosure through shared machines, backups, source-control commits, or insecure file permissions.

VirusTotal

64/64 vendors flagged this skill as clean.

View on VirusTotal

Static analysis

Detected: suspicious.exposed_secret_literal

File appears to expose a hardcoded API secret or token.

Critical
Code
suspicious.exposed_secret_literal
Location
SKILL.md:15