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net_icmp_payload

Analyze ICMP echo payloads to detect covert data exfiltration by examining entropy, printable content ratio, payload size anomalies, and pattern consistency.

Instructions

ICMP echo payload analysis. Examines entropy, printable content ratio, payload size anomalies, and pattern consistency of ICMP echo request/reply payloads to detect covert data exfiltration.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
file_pathYesPath to PCAP capture file
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description bears the burden of behavioral disclosure. It mentions examining entropy, content ratio, size anomalies, and pattern consistency, indicating a read-only analysis. However, it does not explicitly state non-destructive behavior or any side effects.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single, dense sentence that conveys key information upfront. It is concise without waste, though splitting into two sentences could improve readability.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

No output schema is provided, and the description does not explain return values or output format. For a network analysis tool, knowing the result structure (e.g., report, score) is helpful for agent workflow. The description adequately covers input and analysis dimensions but lacks output context.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The single parameter 'file_path' is fully described in the schema (100% coverage) as a path to a PCAP file. The description adds no additional parameter semantics beyond schema, so baseline of 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool analyzes ICMP echo payloads for covert data exfiltration, specifying verb ('examines') and resource ('ICMP echo request/reply payloads'). It differentiates from sibling network tools by focusing on ICMP payload steganography detection.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implies usage for ICMP echo payload analysis but does not explicitly state when to use this tool over alternatives like net_detect or net_dns_tunnel. No exclusions or when-not-to-use guidance is provided.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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