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Security audit

Zorus

Security checks for vulnerabilities and agentic risk

Overview

The skill is mostly a coherent Zorus read-only connector, but its setup instructions include executing a remote installer script without verification.

Review the oo CLI installation path before installing. Prefer downloading from official OOMOL documentation, verifying any available checksum or signature, and approving setup steps explicitly before allowing the skill to run connector commands against your Zorus account.

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
Confidence
97% confidence
Finding

The skill includes a one-line installer that downloads a remote script and pipes it directly into bash, which executes unreviewed code from the network without integrity verification. If the install endpoint, transport, or hosting account is compromised, users could execute arbitrary attacker-controlled code on their machine.

Content

Scanner excerpt · SKILL.md (reported line 59)May include surrounding context.

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
96% confidence
Finding

The trigger text is overly broad and instructs use of the skill for 'ANY Zorus request' and whenever a task 'involves Zorus,' which can cause the agent to invoke the skill in loosely related contexts without clear scoping. Overbroad activation increases the chance of unnecessary connector use, unintended data access, or bypass of more appropriate handling paths.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.