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ad_asreproast

Perform AS-REP Roasting against Active Directory to retrieve password hashes for accounts with pre-authentication disabled, using a username or list.

Instructions

Perform AS-REP Roasting to get hashes for accounts with pre-auth disabled.

Args: domain: AD domain dc_ip: Domain Controller IP username: Specific username to test userlist: Path to username list file on Kali

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
dc_ipNo
domainYes
userlistNo
usernameNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

A3.9/5.0
Behavior2/5

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

No annotations are provided, so the description must disclose behavioral traits. It states the tool performs AS-REP Roasting to get hashes but does not describe side effects like network traffic, authentication requirements, or potential impact on the domain controller. The behavioral transparency is insufficient.

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

Conciseness5/5

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

The description is concise, with a one-line purpose followed by a bulleted list of parameters. It is front-loaded and contains no superfluous information.

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?

Given the presence of an output schema, the description does not need to detail return values. However, it lacks prerequisites (e.g., network access to DC, Kali environment) and does not describe success conditions. It is adequate but not fully complete.

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

Parameters4/5

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

With 0% schema description coverage, the description compensates by explaining each parameter: domain, dc_ip, username, userlist. The explanations add meaning beyond the schema's bare titles and types, though they are brief.

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 performs AS-REP Roasting to obtain hashes for accounts with pre-auth disabled. It uses a specific verb and resource, and the purpose is distinct from sibling tools like ad_kerberoast and ad_bloodhound_collect.

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

Usage Guidelines4/5

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

The description indicates the tool is for accounts with pre-auth disabled, providing clear context for when to use it. However, it does not explicitly mention when not to use it or compare to alternatives like Kerberoasting.

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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