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Security audit

FinChina

Security checks for vulnerabilities and agentic risk

Overview

This FinChina skill is mostly purpose-aligned, but its first-time setup tells the agent to execute remote installer scripts directly without integrity checks or explicit user confirmation.

Review the oo CLI installation path before using this skill. Prefer an official manual installer with verification, or inspect the downloaded script before execution. Also be aware that connector queries may use your OOMOL-connected FinChina account and consume credits.

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
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
  • Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
Findings (2)

External Script Fetching

High
Category
Supply Chain
Content
- **`oo: command not found`** — install the oo CLI (other platforms: <https://cli.oomol.com/install-guide.md>):

  ```bash
  curl -fsSL https://cli.oomol.com/install.sh | bash    # macOS / Linux
  ```

  ```powershell
Confidence
97% confidence
Finding
The skill instructs users to install software via a network-fetched shell script piped directly into bash, which executes unreviewed remote code immediately. If the install endpoint, transport, DNS, or hosting supply chain is compromised, this can lead to arbitrary code execution on the user's machine.

Vague Triggers

Medium
Confidence
94% confidence
Finding
The description uses an absolute trigger condition: "Use this skill for ANY FinChina request" and "Whenever a task involves FinChina." This is broad and lacks negative examples or scope boundaries, increasing the chance of unintended invocation whenever FinChina is mentioned.

Static analysis

No suspicious patterns detected.