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Security audit

Kuaishou Guaikei Competitor Analysis

Security checks across malware telemetry and agentic risk

Overview

This skill is a disclosed Kuaishou public-data lookup tool that calls a third-party API and locally saves successful results, with no evidence of hidden account actions or malicious behavior.

Before installing, confirm you are comfortable sending Kuaishou keywords, profile or video URLs, and the GUAIKEI_API_TOKEN to the Guaikei API service. Review and periodically delete the local logs directory if search terms, profile URLs, comments, or analysis outputs could reveal sensitive business research.

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
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
  • 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
Findings (3)

Context-Inappropriate Capability

Medium
Confidence
88% confidence
Finding
The package description and keywords present the skill as a passive analytics and competitor-monitoring tool, but the exposed scripts also support posting and commenting actions. That capability mismatch increases the risk of deceptive deployment, misuse for spam or impersonation, and unsafe operator assumptions about what the skill can do.

Missing User Warnings

Low
Confidence
85% confidence
Finding
The README states that all task results are automatically saved to the `logs/` directory, but it does not clearly warn users that potentially sensitive search terms, profile URLs, comment data, or analysis outputs will persist locally by default. In a data-collection tool, silent local persistence increases the risk of unintended disclosure through shared machines, backups, source-control commits, or insecure file handling.

Missing User Warnings

Medium
Confidence
94% confidence
Finding
The script silently persists fetched results to a local JSON file after completing the command, without any explicit user notice or consent in this file. If the returned data contains profile information or other sensitive content, this can create unintended local data retention, exposure to other local users/processes, and privacy/compliance issues.

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