anti-reversing-techniques

Understand anti-reversing, obfuscation, and protection techniques encountered during software analysis. Use when analyzing protected binaries, bypassing anti-debugging for authorized analysis, or understanding software protection mechanisms.

Quality

58%

Does it follow best practices?

Impact

Pending

No eval scenarios have been run

Securityby

Passed

No known issues

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npx tessl skill review --optimize ./.agent/skills/anti-reversing-techniques/SKILL.md

Quality

Discovery

75%

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 reasonably well-structured skill description with a clear 'Use when' clause that establishes explicit triggers. The main weaknesses are moderate specificity (could list more concrete protection techniques) and incomplete trigger term coverage (missing common user vocabulary like 'packed', 'unpacking', 'DRM'). The description successfully carves out a distinct niche in software protection analysis.

Suggestions

Add more specific concrete actions such as 'identify packing algorithms', 'analyze control flow obfuscation', 'detect VM-based protections', or 'recognize anti-tamper mechanisms'.

Expand trigger terms to include common user vocabulary: 'packed executable', 'unpacking', 'DRM bypass', 'code virtualization', 'anti-tamper', 'themida', 'VMProtect'.

Dimension	Reasoning	Score
Specificity	Names the domain (anti-reversing, obfuscation, protection techniques) and some actions (analyzing, bypassing, understanding), but lacks specific concrete actions like 'detect packing algorithms', 'identify VM-based protections', or 'analyze control flow obfuscation'.	2 / 3
Completeness	Clearly answers both what (understand anti-reversing, obfuscation, protection techniques) and when (analyzing protected binaries, bypassing anti-debugging, understanding protection mechanisms) with explicit 'Use when' clause containing specific trigger scenarios.	3 / 3
Trigger Term Quality	Includes relevant terms like 'anti-debugging', 'protected binaries', 'obfuscation', and 'software protection', but misses common variations users might say such as 'packed executable', 'unpacking', 'DRM', 'code virtualization', 'anti-tamper', or 'reverse engineering protection'.	2 / 3
Distinctiveness Conflict Risk	Has a clear niche focused specifically on software protection and anti-reversing techniques. The combination of 'anti-debugging', 'protected binaries', and 'obfuscation' creates distinct triggers unlikely to conflict with general reverse engineering or malware analysis skills.	3 / 3
	Total	10 / 12 Passed

Implementation

42%

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

This skill excels at establishing authorization boundaries and safety considerations, with good progressive disclosure to detailed resources. However, it severely lacks actionability - the main skill contains no concrete techniques, code examples, or specific commands, making it essentially a policy document rather than an instructional skill. The workflow is present but too abstract for practical use.

Suggestions

Add at least one concrete, executable example of a common anti-debugging detection technique (e.g., IsDebuggerPresent check in x86 assembly or a timing-based detection pattern)

Include specific tool commands for initial analysis (e.g., 'strings binary | grep -i debug' or 'rabin2 -I binary' for quick protection identification)

Add a validation checkpoint in the workflow, such as 'Verify analysis environment is isolated before executing suspicious code'

Provide a brief categorization of protection types (packing, anti-debug, obfuscation) with one-line identification hints for each

Dimension	Reasoning	Score
Conciseness	The skill is reasonably efficient but includes some redundancy - the authorization warning is thorough but lengthy, and 'Use this skill when' / 'Do not use this skill when' sections overlap with the warning content. The instructions section is appropriately brief.	2 / 3
Actionability	The skill provides only vague, abstract guidance ('Identify protection mechanisms', 'choose safe analysis methods') with no concrete code, commands, or specific techniques. All actual implementation details are deferred to an external playbook with no examples in the main skill.	1 / 3
Workflow Clarity	Steps are listed in a logical sequence (confirm authorization → identify mechanisms → document → provide recommendations), but they lack specificity and validation checkpoints. For security analysis involving potentially destructive or sensitive operations, explicit verification steps are missing.	2 / 3
Progressive Disclosure	The skill appropriately serves as an overview with clear, one-level-deep references to the implementation playbook. Navigation is well-signaled with both inline reference and a dedicated Resources section pointing to detailed techniques.	3 / 3
	Total	8 / 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: Dokhacgiakhoa/antigravity-ide
Commit: 332e58b

Reviewed: 17 days ago

Table of Contents

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