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turla-venomous-bear

Adversary-emulation profile for Turla (G0010 / Venomous Bear / Secret Blizzard / Waterbug / KRYPTON / Snake), Russia's FSB Center 16 cyber-espionage actor.

55

Quality

62%

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SecuritybySnyk

Critical

Do not install without reviewing

Fix and improve this skill with Tessl

tessl review fix ./packages/decepticon/decepticon/skills/shared/adversary-emulation/turla/SKILL.md
SKILL.md
Quality
Evals
Security

Quality

Content

57%Weight 40%Scale 1-5

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

The body is a thorough, well-structured reference with concrete emulation guidance, but it is monolithic and verbose, and its destructive-operation workflow lacks explicit validation checkpoints.

Suggestions

Add validation/verification checkpoints to the emulation workflow (e.g. confirm scope authorization before each destructive play, verify implant behavior in an isolated lab before scaling) to lift workflow clarity above the destructive-ops cap.

Move the detailed TTP-by-tactic catalog and signature-tooling table into a separate references file (e.g. TTPS.md) referenced from SKILL.md, keeping the overview and emulation guidance inline for progressive disclosure.

Trim redundant per-technique prose (e.g. consolidate the repeated malware-family lists) to improve token efficiency.

DimensionReasoningScore

Conciseness

The body is information-dense and avoids explaining concepts Claude already knows, but at ~265 lines it is encyclopedic; several per-technique descriptions and campaign recaps could be tightened without losing value.

3 / 5

Actionability

The 'Emulation guidance (Decepticon)' section maps each play to concrete tools and ATT&CK techniques (phishing skill, payload-builder, c2 skill, Sliver, Mimikatz, AD skill), giving mostly executable instructional guidance with minor gaps.

4 / 5

Workflow Clarity

Plays are loosely ordered by ATT&CK tactic (a rough lifecycle sequence) but there are no explicit validation checkpoints or feedback loops; because the skill covers destructive operations (kernel rootkits, T1485), workflow clarity is capped at 3.

3 / 5

Progressive Disclosure

Section headers are clear and well-organized, but the entire profile — campaign history, full TTP catalog, tooling table — is inlined in one ~265-line SKILL.md with no bundle files or one-level-deep references to split it.

3 / 5

Total

13

/

20

Passed

Description

67%Weight 40%Scale 1-5

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

The description is rich in trigger synonyms and clearly distinct, but it is a noun-phrase label rather than an action statement and omits any explicit 'Use when...' guidance.

Suggestions

Add 1-2 concrete verbs describing what the skill does (e.g. 'Maps Turla TTPs to emulation plays and detection guidance') to lift specificity.

Append an explicit trigger clause such as 'Use when emulating Turla/G0010 espionage operations or building detections for Snake, ComRAT, or LightNeuron' to satisfy the 'when' half of completeness.

DimensionReasoningScore

Specificity

The description names the domain ('Adversary-emulation profile for Turla') but lists no concrete actions — it describes what the artifact is rather than what it does, matching the 'names the domain but actions are minimal or generic' anchor.

2 / 5

Completeness

It clearly answers 'what' (an adversary-emulation profile for Turla) but has no 'Use when...' trigger clause; per the guidelines a missing explicit trigger clause caps completeness at 3.

3 / 5

Trigger Term Quality

It packs in comprehensive natural synonyms users would actually say — 'Turla, Venomous Bear, Secret Blizzard, Waterbug, KRYPTON, Snake' — plus the ATT&CK identifier 'G0010', matching the comprehensive-synonyms-plus-extension anchor.

5 / 5

Distinctiveness Conflict Risk

It carves out a clear niche — Turla/FSB Center 16 espionage emulation with distinct aliases — that would only collide with another Turla-specific skill, matching the clear-niche-minimal-conflict anchor.

5 / 5

Total

15

/

20

Passed

Validation

93%

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

Validation — 15 / 16 Passed

Validation for skill structure

CriteriaDescriptionResult

metadata_version

'metadata.version' is missing

Warning

Total

15

/

16

Passed

Repository
PurpleAILAB/Decepticon
Reviewed

Table of Contents

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