hunt-credential-access

Hunt for credential access techniques like LSASS dumping or browser credential theft. Use when searching for evidence of credential harvesting. Takes MITRE technique IDs and searches for behavioral indicators in SIEM.

Quality

88%

Does it follow best practices?

Impact

—

No eval scenarios have been run

Securityby

Passed

No known issues

Quality

Content

77%

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

This is a strong, actionable skill with concrete UDM queries and clear MCP tool invocations for hunting credential access techniques. The workflow is well-sequenced with appropriate escalation paths and documentation requirements. Minor improvements could be made in conciseness and progressive disclosure by extracting the technique-specific query library into a separate reference file.

Suggestions

Consider extracting the technique-specific UDM queries into a separate reference file (e.g., CREDENTIAL_ACCESS_QUERIES.md) and keeping only one example query inline to reduce the main skill's length.

Remove the 'Understand: What the technique does / Common procedures/tools / Detection methods' bullet list in Step 1 as this is implicit in researching a technique.

Dimension	Reasoning	Score
Conciseness	The technique reference table and common techniques section add useful context, but some explanations are slightly verbose (e.g., 'Understand: What the technique does, Common procedures/tools, Detection methods' is somewhat obvious). The skill is reasonably efficient but could be tightened in places.	2 / 3
Actionability	Provides concrete, executable UDM queries for each technique, specific MCP tool calls with parameters, and clear examples of what to search for. The queries are copy-paste ready and cover multiple credential access scenarios.	3 / 3
Workflow Clarity	The 7-step workflow is clearly sequenced with logical progression from research through execution to documentation. It includes validation/enrichment steps (Steps 4-5), explicit escalation criteria with branching paths (Step 7), and guidance on handling both positive and negative findings.	3 / 3
Progressive Disclosure	The content is well-structured with clear sections and tables, but it's a fairly long monolithic document. The inline UDM queries for multiple techniques could potentially be split into a reference file, and the cross-references to other skills (/respond-compromised-account, /document-in-case) are mentioned but not linked to files.	2 / 3
	Total	10 / 12 Passed

Description

100%

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

This is a strong, well-crafted skill description that clearly defines its domain (credential access hunting), lists specific techniques and capabilities, includes an explicit 'Use when' clause, and uses natural security analyst terminology. It follows third-person voice throughout and provides enough specificity to be easily distinguishable from other skills.

Dimension	Reasoning	Score
Specificity	Lists multiple specific concrete actions: 'LSASS dumping', 'browser credential theft', 'credential harvesting', takes 'MITRE technique IDs', and 'searches for behavioral indicators in SIEM'. These are concrete, specific capabilities.	3 / 3
Completeness	Clearly answers both what ('Hunt for credential access techniques like LSASS dumping or browser credential theft', 'Takes MITRE technique IDs and searches for behavioral indicators in SIEM') and when ('Use when searching for evidence of credential harvesting') with an explicit trigger clause.	3 / 3
Trigger Term Quality	Includes strong natural keywords a security analyst would use: 'credential access', 'LSASS dumping', 'browser credential theft', 'credential harvesting', 'MITRE technique IDs', 'SIEM', 'behavioral indicators'. Good coverage of domain-specific terms users would naturally say.	3 / 3
Distinctiveness Conflict Risk	Highly distinctive with a clear niche focused on credential access hunting in SIEM using MITRE technique IDs. The specific mention of LSASS dumping, browser credential theft, and MITRE IDs makes it very unlikely to conflict with other security or general-purpose skills.	3 / 3
	Total	12 / 12 Passed

Validation

90%

Warnings & errors only

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation — 10 / 11 Passed

Validation for skill structure

Criteria	Description	Result
frontmatter_unknown_keys	Unknown frontmatter key(s) found; consider removing or moving to metadata	Warning

	Total	10 / 11 Passed

Repository: dandye/ai-runbooks
Commit: 086cbf6

Reviewed: 2 months ago

Table of Contents

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