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Agent skill

Hunting For Process Injection Techniques

by mukul975 in mukul975/Anthropic-Cybersecurity-Skills

Detects process injection techniques (MITRE T1055) — including CreateRemoteThread injection, process hollowing, and DLL injection — by analyzing Sysmon Event IDs 8 (CreateRemoteThread) and 10…

Apache-2.0Auto-check passedSecurity

Install Hunting For Process Injection Techniques

skills CLI
$ npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill hunting-for-process-injection-techniques -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install mukul975/Anthropic-Cybersecurity-Skills hunting-for-process-injection-techniques --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/hunting-for-process-injection-techniques .claude/skills/hunting-for-process-injection-techniques && rm -rf skills-src

Use ~/.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/

Facts

Skill name
hunting-for-process-injection-techniques
GitHub stars
34k
Token cost
~712 tokens
SKILL.md length
249 words
Files
4 (incl. scripts, references)
Skills in repo
644
Repo updated
First seen
Licence
Apache-2.0

At a glance

Detects process injection techniques (MITRE T1055) — including CreateRemoteThread injection, process hollowing, and DLL injection — by analyzing Sysmon Event IDs 8 (CreateRemoteThread) and 10…

  • Works in 7 steps: Parse Sysmon Events — Ingest Event IDs… → Detect CreateRemoteThread — Flag Event… → Analyze ProcessAccess Rights — Identify… → …
  • Hunting for in-memory code injection
  • SKILL.md covers Overview, When to Use, Prerequisites and Steps, plus 1 more section
  • Runs Python scripts from its folder

What it does

Hunting For Process Injection Techniques is an agent skill from mukul975/Anthropic-Cybersecurity-Skills. Detects process injection techniques (MITRE T1055) — including CreateRemoteThread injection, process hollowing, and DLL injection — by analyzing Sysmon Event IDs 8 (CreateRemoteThread) and 10 (ProcessAccess) alongside EDR process telemetry. Use when hunting for in-memory code injection or defense evasion via legitimate process abuse on Windows endpoints.

Its SKILL.md is about 710 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 Security operations. 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

  • Hunting for in-memory code injection
  • Defense evasion via legitimate process abuse on Windows endpoints

Example prompts

  • “Use the hunting-for-process-injection-techniques skill to detect process injection techniques (MITRE T1055) — including CreateRemoteThread…”
  • “/hunting-for-process-injection-techniques”

Requirements

  • Python 3

Workflow steps

7 steps, taken from the first numbered list in SKILL.md.

  1. Parse Sysmon Events — Ingest Event IDs 1, 8, and 10 from JSON log files
  2. Detect CreateRemoteThread — Flag Event ID 8 with suspicious source-target process pairs
  3. Analyze ProcessAccess Rights — Identify Event ID 10 with dangerous access masks (PROCESS_VM_WRITE, PROCESS_CREATE_THREAD)
  4. Build Process Relationship Graph — Map source-to-target injection relationships
  5. Filter Known Legitimate Pairs — Exclude known benign injection patterns (AV, debuggers, system processes)
  6. Score Injection Severity — Apply risk scoring based on source process, target process, and access rights
  7. Generate Hunt Report — Produce structured report with MITRE sub-technique mapping

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

Hunting For Process Injection Techniques loads about 712 tokens when it runs, and up to ~1.4k if it reads all its reference files. Until then it costs about 99 tokens; SKILL.md has 249 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~99
When it runs · the whole SKILL.md, loaded when a task matches
~712
With references · SKILL.md plus every file in references/, read only if the agent opens them
~1.4k

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). 249 words, ~712 tokens.

Download SKILL.mdSave it as .claude/skills/hunting-for-process-injection-techniques/SKILL.md (or your agent's skills folder). This skill also uses 3 other files; get the full folder from GitHub.
name
hunting-for-process-injection-techniques
description
Detects process injection techniques (MITRE T1055) — including CreateRemoteThread injection, process hollowing, and DLL injection — by analyzing Sysmon Event IDs 8 (CreateRemoteThread) and 10 (ProcessAccess) alongside EDR process telemetry. Use when hunting for in-memory code injection or defense evasion via legitimate process abuse on Windows endpoints.
domain
cybersecurity
subdomain
threat-hunting
tags
process-injection, t1055, sysmon, createremotethread, dll-injection, edr, threat-hunting
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_csf
DE.CM-01, DE.AE-02, DE.AE-07, ID.RA-05
mitre_attack
T1046, T1057, T1082, T1083, T1055

Hunting for Process Injection Techniques

Overview

Process injection (MITRE ATT&CK T1055) allows adversaries to execute code in the address space of another process, enabling defense evasion and privilege escalation. This skill detects injection techniques via Sysmon Event ID 8 (CreateRemoteThread), Event ID 10 (ProcessAccess with suspicious access rights), and analysis of source-target process relationships to distinguish legitimate from malicious injection.

When to Use

  • When investigating security incidents that require hunting for process injection techniques
  • 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

  • Sysmon installed with Event IDs 8 and 10 enabled
  • Process creation logs (Sysmon Event ID 1 or Windows 4688)
  • Python 3.8+ with standard library
  • JSON-formatted Sysmon event logs

Steps

  1. Parse Sysmon Events — Ingest Event IDs 1, 8, and 10 from JSON log files
  2. Detect CreateRemoteThread — Flag Event ID 8 with suspicious source-target process pairs
  3. Analyze ProcessAccess Rights — Identify Event ID 10 with dangerous access masks (PROCESS_VM_WRITE, PROCESS_CREATE_THREAD)
  4. Build Process Relationship Graph — Map source-to-target injection relationships
  5. Filter Known Legitimate Pairs — Exclude known benign injection patterns (AV, debuggers, system processes)
  6. Score Injection Severity — Apply risk scoring based on source process, target process, and access rights
  7. Generate Hunt Report — Produce structured report with MITRE sub-technique mapping

Expected Output

  • JSON report of detected injection events with severity scores
  • Process injection relationship graph
  • MITRE ATT&CK sub-technique mapping (T1055.001-T1055.012)
  • False positive exclusion recommendations

© 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/hunting-for-process-injection-techniques 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

Hunting For Process Injection Techniques 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.

Hunting For Process Injection Techniques compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Hunting For Process Injection Techniques this skillmukul975/Anthropic-Cybersecurity-Skills34k—~712Automated safety check: PassApache-2.0
Security Alert Triageelastic/agent-skills5921 repos~3.5kAutomated safety check: NotesApache-2.0
Kubernetes Network Security Auditkubeshark/kubeshark12k—~7.3kAutomated safety check: NotesApache-2.0
Security Detection Rule Managementelastic/agent-skills5921 repos~3.9kAutomated safety check: NotesApache-2.0
Chaitin CLIchaitin/chaitin-cli115—~15kAutomated safety check: NotesGPL-3.0
GatesNebulock-Inc/agentic-threat-hunting-framework388—~12kAutomated safety check: PassMIT

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Categories

Questions about Hunting For Process Injection Techniques

What does Hunting For Process Injection Techniques do?

Detects process injection techniques (MITRE T1055) — including CreateRemoteThread injection, process hollowing, and DLL injection — by analyzing Sysmon Event IDs 8 (CreateRemoteThread) and 10…. Hunting For Process Injection Techniques is an agent skill from mukul975/Anthropic-Cybersecurity-Skills. Detects process injection techniques (MITRE T1055) — including CreateRemoteThread injection, process hollowing, and DLL injection — by analyzing Sysmon Event IDs 8 (CreateRemoteThread) and 10 (ProcessAccess) alongside EDR process telemetry.

When should I use Hunting For Process Injection Techniques?

Hunting For Process Injection Techniques fits situations like: hunting for in-memory code injection; defense evasion via legitimate process abuse on Windows endpoints.

How do I install Hunting For Process Injection Techniques in Claude Code?

Run `npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill hunting-for-process-injection-techniques -a claude-code`. Or copy the skill folder (skills/hunting-for-process-injection-techniques in mukul975/Anthropic-Cybersecurity-Skills) into .claude/skills/hunting-for-process-injection-techniques in your project. Claude Code loads it when a task matches its description.

How do I install Hunting For Process Injection Techniques in Codex?

Run `npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill hunting-for-process-injection-techniques -a codex`. Or copy the skill folder (skills/hunting-for-process-injection-techniques in mukul975/Anthropic-Cybersecurity-Skills) into .agents/skills/hunting-for-process-injection-techniques in your project. Codex loads it when a task matches its description.

Can I use Hunting For Process Injection Techniques 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 hunting-for-process-injection-techniques -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/hunting-for-process-injection-techniques, .gemini/skills/hunting-for-process-injection-techniques, .github/skills/hunting-for-process-injection-techniques and .opencode/skills/hunting-for-process-injection-techniques in your project.

What does Hunting For Process Injection Techniques need to run?

Going by SKILL.md and its folder, Hunting For Process Injection Techniques needs Python for the scripts in its folder. Our summary lists: Python 3.

Does Hunting For Process Injection Techniques 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 Hunting For Process Injection Techniques 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 Hunting For Process Injection Techniques use?

Hunting For Process Injection Techniques 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 Hunting For Process Injection Techniques use?

About 712 tokens (SKILL.md is roughly 2.8k 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 731 tokens, read only when the agent opens those files.

What are the alternatives to Hunting For Process Injection Techniques?

Skills that share tags, products or a category with Hunting For Process Injection Techniques: Security Alert Triage (elastic/agent-skills, 592 stars), Kubernetes Network Security Audit (kubeshark/kubeshark, 12k stars), Security Detection Rule Management (elastic/agent-skills, 592 stars) and Chaitin CLI (chaitin/chaitin-cli, 115 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Hunting For Process Injection Techniques?

mukul975 (a GitHub user) maintains it in mukul975/Anthropic-Cybersecurity-Skills, which has 34,116 GitHub stars. The repository holds 644 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.