Windows Server
sickn33/agentic-awesome-skills
Administer Windows Server systems. An agent skill from sickn33/agentic-awesome-skills.
Agent skill
Analyzing Powershell Empire Artifacts
Detect PowerShell Empire post-exploitation framework artifacts in Windows Script Block Logging (Event ID 4104) and Module Logging (Event ID 4103), including the default launcher string…
Install Analyzing Powershell Empire Artifacts
$ npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill analyzing-powershell-empire-artifacts -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install mukul975/Anthropic-Cybersecurity-Skills analyzing-powershell-empire-artifacts --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/analyzing-powershell-empire-artifacts .claude/skills/analyzing-powershell-empire-artifacts && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "analyzing-powershell-empire-artifacts" agent skill from https://github.com/mukul975/Anthropic-Cybersecurity-Skills/tree/main/skills/analyzing-powershell-empire-artifacts into .claude/skills/analyzing-powershell-empire-artifacts/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "analyzing-powershell-empire-artifacts", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/mukul975/Anthropic-Cybersecurity-Skills/tree/main/skills/analyzing-powershell-empire-artifactsType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill analyzing-powershell-empire-artifacts -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install mukul975/Anthropic-Cybersecurity-Skills analyzing-powershell-empire-artifacts --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/analyzing-powershell-empire-artifacts .agents/skills/analyzing-powershell-empire-artifacts && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "analyzing-powershell-empire-artifacts" agent skill from https://github.com/mukul975/Anthropic-Cybersecurity-Skills/tree/main/skills/analyzing-powershell-empire-artifacts into .agents/skills/analyzing-powershell-empire-artifacts/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "analyzing-powershell-empire-artifacts", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill analyzing-powershell-empire-artifacts -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install mukul975/Anthropic-Cybersecurity-Skills analyzing-powershell-empire-artifacts --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/analyzing-powershell-empire-artifacts .cursor/skills/analyzing-powershell-empire-artifacts && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "analyzing-powershell-empire-artifacts" agent skill from https://github.com/mukul975/Anthropic-Cybersecurity-Skills/tree/main/skills/analyzing-powershell-empire-artifacts into .cursor/skills/analyzing-powershell-empire-artifacts/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "analyzing-powershell-empire-artifacts", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git --path skills/analyzing-powershell-empire-artifacts--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill analyzing-powershell-empire-artifacts -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install mukul975/Anthropic-Cybersecurity-Skills analyzing-powershell-empire-artifacts --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/analyzing-powershell-empire-artifacts .gemini/skills/analyzing-powershell-empire-artifacts && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "analyzing-powershell-empire-artifacts" agent skill from https://github.com/mukul975/Anthropic-Cybersecurity-Skills/tree/main/skills/analyzing-powershell-empire-artifacts into .gemini/skills/analyzing-powershell-empire-artifacts/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "analyzing-powershell-empire-artifacts", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install mukul975/Anthropic-Cybersecurity-Skills analyzing-powershell-empire-artifactsInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill analyzing-powershell-empire-artifacts -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/analyzing-powershell-empire-artifacts .github/skills/analyzing-powershell-empire-artifacts && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "analyzing-powershell-empire-artifacts" agent skill from https://github.com/mukul975/Anthropic-Cybersecurity-Skills/tree/main/skills/analyzing-powershell-empire-artifacts into .github/skills/analyzing-powershell-empire-artifacts/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "analyzing-powershell-empire-artifacts", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill analyzing-powershell-empire-artifacts -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install mukul975/Anthropic-Cybersecurity-Skills analyzing-powershell-empire-artifacts --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/analyzing-powershell-empire-artifacts .opencode/skills/analyzing-powershell-empire-artifacts && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "analyzing-powershell-empire-artifacts" agent skill from https://github.com/mukul975/Anthropic-Cybersecurity-Skills/tree/main/skills/analyzing-powershell-empire-artifacts into .opencode/skills/analyzing-powershell-empire-artifacts/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "analyzing-powershell-empire-artifacts", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
analyzing-powershell-empire-artifacts- GitHub stars
- 34k
- Token cost
- ~719 tokens
- SKILL.md length
- 222 words
- Files
- 4 (incl. scripts, references)
- Skills in repo
- 637
- Repo updated
- First seen
- Licence
- Apache-2.0
At a glance
Detect PowerShell Empire post-exploitation framework artifacts in Windows Script Block Logging (Event ID 4104) and Module Logging (Event ID 4103), including the default launcher string…
- Works in 5 steps: Default launcher — powershell -noP -sta… → Stager indicators —… → Module signatures — Invoke-Mimikatz,… → …
- Confirming Empire C2 activity in Windows event logs
- SKILL.md covers Overview, When to Use, Prerequisites and Key Detection Patterns, plus 1 more section
- Runs Python scripts from its folder
What it does
Analyzing Powershell Empire Artifacts is an agent skill from mukul975/Anthropic-Cybersecurity-Skills. Detect PowerShell Empire post-exploitation framework artifacts in Windows Script Block Logging (Event ID 4104) and Module Logging (Event ID 4103), including the default launcher string, Base64-encoded WebClient/FromBase64String payloads, known module invocations (Invoke-Mimikatz, Invoke-Kerberoast), and staging URL patterns. Use when hunting for or confirming Empire C2 activity in Windows event logs.
Its SKILL.md is about 720 tokens, which your agent loads only when the skill is triggered. The skill folder holds 5 other files, including scripts and reference files (for example `references/api-reference.md` and `scripts/agent.py`).
It sits in Security, covering Red teaming and adversary simulation. It works with PowerShell. The repository describes itself as: 817 structured cybersecurity skills for AI agents · Mapped to 6 frameworks: MITRE ATT&CK, NIST CSF 2.0, MITRE ATLAS, D3FEND, NIST AI RMF & MITRE F3 (Fight Fraud) · agentskills.io…. The licence is Apache-2.0.
When your agent uses it
- Confirming Empire C2 activity in Windows event logs
- Tasks that involve Red teaming and adversary simulation
Example prompts
- “/analyzing-powershell-empire-artifacts”
Requirements
- Python 3
Workflow steps
5 steps, taken from the first numbered list in SKILL.md.
- Default launcher — powershell -noP -sta -w 1 -enc followed by Base64 blob
- Stager indicators — System.Net.WebClient, DownloadData, DownloadString, FromBase64String
- Module signatures — Invoke-Mimikatz, Invoke-Kerberoast, Invoke-TokenManipulation, Invoke-PSInject, Invoke-DCOM
- User agent strings — default Empire user agents in HTTP listener configuration
- Staging URLs — /login/process.php, /admin/get.php and similar default URI patterns
What it can do on your machine
Read from SKILL.md and the folder at commit 54a7988. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
Ships 1 file in scripts/ (Python), which the agent can run.
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Analyzing Powershell Empire Artifacts loads about 719 tokens when it runs, and up to ~1.6k if it reads all its reference files. Until then it costs about 110 tokens; SKILL.md has 222 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); the scripts in this folder are not scanned.
SKILL.md
The full file from mukul975/Anthropic-Cybersecurity-Skills at commit 54a7988, republished under its Apache-2.0 licence (© mukul975). 222 words, ~719 tokens.
Download SKILL.mdSave it as
.claude/skills/analyzing-powershell-empire-artifacts/SKILL.md (or your agent's skills folder). This skill also uses 3 other files; get the full folder from GitHub.- name
- analyzing-powershell-empire-artifacts
- description
- Detect PowerShell Empire post-exploitation framework artifacts in Windows Script Block Logging (Event ID 4104) and Module Logging (Event ID 4103), including the default launcher string, Base64-encoded WebClient/FromBase64String payloads, known module invocations (Invoke-Mimikatz, Invoke-Kerberoast), and staging URL patterns. Use when hunting for or confirming Empire C2 activity in Windows event logs.
- domain
- cybersecurity
- subdomain
- threat-hunting
- tags
- PowerShell-Empire, threat-hunting, Script-Block-Logging, base64, stager, C2, MITRE-ATT&CK, T1059.001, forensics
- version
- 1.0
- author
- mahipal
- license
- Apache-2.0
- d3fend_techniques
- Executable Denylisting, Execution Isolation, File Metadata Consistency Validation, Content Format Conversion, File Content Analysis
- nist_ai_rmf
- GOVERN-1.1, MEASURE-2.7, MANAGE-3.1
- nist_csf
- DE.CM-01, DE.AE-02, DE.AE-07, ID.RA-05
- mitre_attack
- T1059.001, T1071.001, T1003.001, T1558.003, T1027.010
Analyzing PowerShell Empire Artifacts
Overview
PowerShell Empire is a post-exploitation framework consisting of listeners, stagers, and agents. Its artifacts leave detectable traces in Windows event logs, particularly PowerShell Script Block Logging (Event ID 4104) and Module Logging (Event ID 4103). This skill analyzes event logs for Empire's default launcher string (powershell -noP -sta -w 1 -enc), Base64 encoded payloads containing System.Net.WebClient and FromBase64String, known module invocations (Invoke-Mimikatz, Invoke-Kerberoast, Invoke-TokenManipulation), and staging URL patterns.
When to Use
- When investigating security incidents that require analyzing powershell empire artifacts
- When building detection rules or threat hunting queries for this domain
- When SOC analysts need structured procedures for this analysis type
- When validating security monitoring coverage for related attack techniques
Prerequisites
- Python 3.9+ with access to Windows Event Log or exported EVTX files
- PowerShell Script Block Logging (Event ID 4104) enabled via Group Policy
- Module Logging (Event ID 4103) enabled for comprehensive coverage
Key Detection Patterns
- Default launcher —
powershell -noP -sta -w 1 -encfollowed by Base64 blob - Stager indicators —
System.Net.WebClient,DownloadData,DownloadString,FromBase64String - Module signatures — Invoke-Mimikatz, Invoke-Kerberoast, Invoke-TokenManipulation, Invoke-PSInject, Invoke-DCOM
- User agent strings — default Empire user agents in HTTP listener configuration
- Staging URLs —
/login/process.php,/admin/get.phpand similar default URI patterns
Output
JSON report with matched IOCs, decoded Base64 payloads, timeline of suspicious events, MITRE ATT&CK technique mappings, and severity scores.
© mukul975, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
SKILL.md and 3 other files (scripts, references) in skills/analyzing-powershell-empire-artifacts of mukul975/Anthropic-Cybersecurity-Skills.
- SKILL.md
- LICENSE
- references/api-reference.md
- scripts/agent.py
Open the folder on GitHubat commit 54a7988
Compare with similar skills
Analyzing Powershell Empire Artifacts next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Analyzing Powershell Empire Artifacts this skillmukul975/Anthropic-Cybersecurity-Skills | 34k | — | ~719 | Automated safety check: Pass | Apache-2.0 | |
| Windows Serversickn33/agentic-awesome-skills | 47k | 2 repos | ~2.9k | Automated safety check: Pass | MIT | |
| Windows Av Evasionyaklang/hack-skills | 2.4k | — | ~2.9k | Automated safety check: Pass | MIT | |
| Investigating Windows Endpointstrilwu/secskills | 156 | — | ~4.7k | Automated safety check: Pass | MIT | |
| Ctf Malwareljagiello/ctf-skills | 3.4k | 1 repos | ~2.1k | Automated safety check: Notes | MIT | |
| Hf Cloud Sagemaker Iam Preflightwaybarrios/opencode-power-pack | 533 | — | ~1.6k | Automated safety check: Pass | Apache-2.0 |
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Related
Works with
Categories
Questions about Analyzing Powershell Empire Artifacts
What does Analyzing Powershell Empire Artifacts do?
Detect PowerShell Empire post-exploitation framework artifacts in Windows Script Block Logging (Event ID 4104) and Module Logging (Event ID 4103), including the default launcher string…. Analyzing Powershell Empire Artifacts is an agent skill from mukul975/Anthropic-Cybersecurity-Skills. Detect PowerShell Empire post-exploitation framework artifacts in Windows Script Block Logging (Event ID 4104) and Module Logging (Event ID 4103), including the default launcher string, Base64-encoded WebClient/FromBase64String payloads, known module invocations (Invoke-Mimikatz, Invoke-Kerberoast), and staging URL patterns.
When should I use Analyzing Powershell Empire Artifacts?
Analyzing Powershell Empire Artifacts fits situations like: confirming Empire C2 activity in Windows event logs; tasks that involve Red teaming and adversary simulation.
How do I install Analyzing Powershell Empire Artifacts in Claude Code?
Run `npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill analyzing-powershell-empire-artifacts -a claude-code`. Or copy the skill folder (skills/analyzing-powershell-empire-artifacts in mukul975/Anthropic-Cybersecurity-Skills) into .claude/skills/analyzing-powershell-empire-artifacts in your project. Claude Code loads it when a task matches its description.
How do I install Analyzing Powershell Empire Artifacts in Codex?
Run `npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill analyzing-powershell-empire-artifacts -a codex`. Or copy the skill folder (skills/analyzing-powershell-empire-artifacts in mukul975/Anthropic-Cybersecurity-Skills) into .agents/skills/analyzing-powershell-empire-artifacts in your project. Codex loads it when a task matches its description.
Can I use Analyzing Powershell Empire Artifacts in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill analyzing-powershell-empire-artifacts -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/analyzing-powershell-empire-artifacts, .gemini/skills/analyzing-powershell-empire-artifacts, .github/skills/analyzing-powershell-empire-artifacts and .opencode/skills/analyzing-powershell-empire-artifacts in your project.
What does Analyzing Powershell Empire Artifacts need to run?
Going by SKILL.md and its folder, Analyzing Powershell Empire Artifacts needs Python for the scripts in its folder. Our summary lists: Python 3.
Does Analyzing Powershell Empire Artifacts access the network?
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Is Analyzing Powershell Empire Artifacts safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.
What licence does Analyzing Powershell Empire Artifacts use?
Analyzing Powershell Empire Artifacts is published under the Apache-2.0 licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Analyzing Powershell Empire Artifacts use?
About 719 tokens (SKILL.md is roughly 2.9k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 849 tokens, read only when the agent opens those files.
What are the alternatives to Analyzing Powershell Empire Artifacts?
Skills that share tags, products or a category with Analyzing Powershell Empire Artifacts: Windows Server (sickn33/agentic-awesome-skills, 47k stars), Windows Av Evasion (yaklang/hack-skills, 2.4k stars), Investigating Windows Endpoints (trilwu/secskills, 156 stars) and Ctf Malware (ljagiello/ctf-skills, 3.4k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Analyzing Powershell Empire Artifacts?
mukul975 (a GitHub user) maintains it in mukul975/Anthropic-Cybersecurity-Skills, which has 33,922 GitHub stars. The repository holds 637 skills in this directory. The repository was last updated on August 31, 2026.
Source: mukul975/Anthropic-Cybersecurity-Skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.