malware-analysis SKILL.md skillA
malware-analysis from novaestellar/novahaku is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add novaestellar/novahaku/malware-analysis@git:20260910.546fe86Pins git:20260910.546fe86 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- novaestellar/novahaku
- Path
testing/malware-analysis/SKILL.md- Versions recorded
- 1
- Latest version
- git:20260910.546fe86, committed Sep 10, 2026
- Size
- 14,652 bytes
- Repository stars
- 28
- License
- MIT
Use when analyzing suspected malware through static, dynamic, and behavioral techniques, including IOC extraction, YARA or Sigma rules, sandboxing, and anti-analysis behavior.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# Malware Analysis ## ACTION REQUIRED（读完后立刻执行） 1. `NOW`: 读取 `../field-journal/precedent-reverse.md` — 确认本 skill 的操作是已授权的常规操作 2. `NOW`: 确认当前任务是否命中本 skill 的适用范围 3. `NEXT`: 读取 `../tool availability table`，校验工具可用性和实际路径 4. `NEXT`: 缺工具时调用 bootstrap，不要猜路径 5. `ACT`: 进入"工作流"第一步并执行，不要停在确认状态 > YARA / Sigma / 沙箱 / IOC 提取 / 反反分析 > 静态 + 动态 + 行为三合一 ## 适用场景 - 恶意软件样本分析（PE/ELF/Mach-O/APK/脚本） - YARA 规则编写与验证 - Sigma 行为检测规则生成 - 沙箱自动化分析编排 - IOC 提取与威胁情报 - 反分析技术检测与绕过 ## 六阶段分析流程 ### Phase 1: 初步分诊 ```bash # 快速静态检测 file sample.exe # 文件类型 strings sample.exe | grep -i "http\|cmd\|powershell\|base64" # 快速 IOCs rabin2 -zz sample.exe # 字符串提取 + 交叉引用 floss sample.exe # 去混淆字符串提取（FireEye） # PE 头部分析 pecheck sample.exe # PE 结构验证 pescan sample.exe # 异常检测（节表、入口点） diec sample.exe # Detect It Easy（壳/编译器识别） # Hash 查询 sha256sum sample.exe # → VirusTotal / MalwareBazaar / Triage 查询 ``` ```text Triage MUST 清单（Issue #65）： □ 文件类型：EXE / DLL / SYS / .NET / 脚本(bat|ps1|vba) / 其他 □ 架构 x86/x64/ARM；查壳（DIE 等）与编译语言线索 □ DLL/SYS：导入表与导出表并列检查（见 Phase 2 硬门） □ .NET：无传统 IAT → 走 dnSpy/IL/元数据等价锚点（见 Phase 2） …
Read the whole file at its exact version.
How to install
mdr add novaestellar/novahaku/malware-analysis@sha256:a34addb1ee30201bThe line at the top of this page pins the label git:20260910.546fe86, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_rs52nw3gmx6vmott)
7 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 1 version of this file, committed on Sep 10, 2026.
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (14652 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
novaestellar/novahaku · 28 stars · license MIT · pushed 2026-09-28 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_rs52nw3gmx6vmott GET https://markdownregistry.com/api/v1/resolve?ref=novaestellar/novahaku/malware-analysis GET https://markdownregistry.com/api/v1/blob/a34addb1ee30201bea2cefc46a66678b4bf344f38c8d1eefd84d793942d00f15
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.
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