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Security audit

SpyFu

Security checks for vulnerabilities and agentic risk

Overview

The skill mostly matches its SpyFu connector purpose, but its setup instructions tell the agent/user to run mutable remote installer scripts directly, which needs review before installation.

Review the installer before using this skill. Prefer installing the oo CLI through a verified package or a downloaded installer with checksum/signature validation, then connect SpyFu intentionally through OOMOL. Once installed, the normal connector actions appear limited to SpyFu data queries.

A.I.G

Vulnerability Patterns
  • Remote Payload Retrieval and ExecutionFetches external code whose behavior can change after review
  • 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
  • Embedded Malicious CodeShips malicious scripts inside the skill and executes them locally
  • Unauthorized Access and Privilege EscalationObtains permissions beyond the task's legitimate needs
Findings (1)

T03 · Remote Payload Retrieval and Execution

Error
Location
SKILL.md:74
Finding

Unverified Remote Installer Downloaded and Executed Directly

Content
View full analysis
Remediation
View remediation

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
Confidence
97% confidence
Finding

The skill instructs users to install the CLI via curl ... | bash, which executes a remotely fetched script without prior verification. If the install endpoint, transport, hosting, or upstream release process is compromised, arbitrary code could run on the user's machine; including this in a skill makes the risky behavior easier to trigger in an automation context.

Content

Scanner excerpt · SKILL.md (reported line 74)May include surrounding context.

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
97% confidence
Finding

The description says to use this skill for "ANY SpyFu request" and "Whenever a task involves SpyFu," which is an extremely broad activation rule that could overlap with many routine requests mentioning SpyFu. The file does not provide narrowing constraints or negative examples to clarify when the skill should not activate.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.