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análise-forense-digital

Use para análise forense digital autorizada, incluindo extração de memória, timelines de disco, investigação de PCAP, triagem de artefatos e preservação de evidências para Resposta a Incidentes.

O que é análise-forense-digital?

Esta skill especializa-se em análise forense digital e artefatos de Resposta a Incidentes (IR), fornecendo um workflow completo desde a preservação de evidências até a extração de Indicadores de Comprometimento (IOCs). Suporta a análise de dumps de memória com Volatility 3, timelines de disco com Plaso, investigação de PCAP com tshark, e triagem de artefatos do Windows como Prefetch, Shimcache e logs de eventos. A skill prioriza a integridade da evidência com práticas de preservação (hash, cópia somente leitura) e integra-se com outras skills como `malware-analysis` e `threat-hunting` para aprofundamento. É indicada para profissionais de resposta a incidentes que precisam de um guia passo a passo para investigações forenses autorizadas, seguindo princípios de cadeia de custódia e boas práticas do setor.

Funciona com~Claude Code~Codex CLI~Cursor
npx skills add https://github.com/zhaoxuya520/reverse-skill/tree/main/skills/digital-forensics
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Documentação

Análise Forense Digital e Artefatos de IR

AÇÃO NECESSÁRIA (leia e execute imediatamente)

  1. NOW: Leia ../field-journal/precedent-pentest.md ou a autorização de IR da organização
  2. NOW: Confirme que é forense/rastreio e não varredura ofensiva
  3. NOW: Crie um caso; priorize cópias somente leitura das evidências (proteção contra gravação da mídia original)
  4. NEXT: tool-index; Volatility e outras ferramentas frequentemente manuais
  5. ACT: Hash de preservação → Timeline → Artefatos críticos

Cenários de Aplicação

  • Análise de dump de memória (Volatility 2/3)
  • Timeline de disco / E01 / arquivos do sistema
  • Rastreio de PCAP e reconstrução de protocolos (pode ser combinado com protocol-reverse/)
  • Artefatos de host: Prefetch, Shimcache, Log de Eventos, Histórico do Navegador
  • Extração de IOCs para Resposta a Incidentes (combinado com malware-analysis/ / threat-hunting/)

Workflow

1. Preservação

□ Calcular SHA256; registrar fuso horário e comando de coleta
□ Trabalhar em cópias; original somente leitura
□ Anotar a cadeia de custódia na timeline

2. Memória

vol -f mem.dmp windows.info
vol -f mem.dmp windows.pslist
vol -f mem.dmp windows.netscan
vol -f mem.dmp windows.cmdline

3. Artefatos de Host

□ Logs de eventos: Security / PowerShell / Sysmon
□ Persistência: Chaves Run, Serviços, Tarefas Agendadas, WMI
□ Vestígios de execução: Amcache, Prefetch, BAM

4. Rede

□ tshark para estatísticas de sessão e DNS
□ Exportar fluxos suspeitos → análise de protocolo reverso ou C2 de malware

Cadeia de Ferramentas

FerramentaUso
Volatility 3Memória
Timeline Explorer / PlasoSuper timeline
tsharkPCAP
Conjunto de ferramentas Eric ZimmermanArtefatos Windows
Autopsy / FTK ImagerDisco

Referências

  • references/forensics-triage.md
  • ../malware-analysis/ ../threat-hunting/ ../protocol-reverse/

Contexto de Roteamento

Upstream: MASTER R25 Downstream: Aprofundamento em amostras maliciosas → malware-analysis; Regras → threat-hunting

Auto-verificação de Tarefa

  • Hash de preservação e estratégia de cópia realizados?
  • Timeline pode ser auditada?
  • IOCs foram anonimizados e classificados?
  • Checklist concluída?

Individual skills in this repo

This repo contains 20 individual skills — each has its own dedicated page.

api-security

Use for authorized security assessment of REST, GraphQL, WebSocket, or SOAP APIs, including discovery, authentication, authorization, rate-limit, and CI/CD testing.

apk-reverse

在 CLI 环境下做 Android APK 逆向时使用。适用于 APK 解包、Java 反编译、smali 修改、重打包、Frida 动态 Hook，以及按需切换到 so/native 分析。优先使用本机已安装的 jadx、apktool、frida、adb、ida-reverse、radare2。

attack-chain

Use for authorized multi-stage attack-path planning and orchestration when a task spans reconnaissance, initial access, privilege escalation, lateral movement, or impact assessment. Route single-stage tasks directly to their specialist skill.

binary-diff

|

binary-ninja-reverse

Use for authorized binary analysis in Binary Ninja, including HLIL/MLIL/LLIL inspection, strings/imports/exports, cross-references, types, patch review, Python API automation, and optional Binary Ninja MCP or localhost HTTP integration.

browser-automation

|

browser-extension-reverse

Use for authorized reverse engineering of browser extensions (Chrome/Firefox) including manifest analysis, background workers, and extension-based credential or traffic logic recovery.

case-review

Reviews a reverse-skill case package for scope readiness, Evidence to Finding to Path traceability, work item coverage, timeline references, and optional artifact hash integrity before report handoff.

cloud-k8s

Use for authorized cloud, container, and Kubernetes security assessment including metadata SSRF, IAM misconfig, container escape paths, and cluster RBAC review.

code-audit

Use for authorized source-code security review and SAST workflows including Semgrep, CodeQL patterns, dangerous API hunting, and fix verification.

ctf-sandbox

Thin PRIMARY for CTF / AWD / 靶场 multi-type orchestration. Hands off to the sidecar CTF-Sandbox-Orchestrator. Use when the user says CTF, AWD, 靶场, or 比赛题 and no more specific pwn/APK/IDA route already won.

database-security

Use for authorized database security assessment covering PostgreSQL/MySQL/MSSQL/Mongo/Redis exposure, authz, UDF/command paths, and misconfiguration review.

diagram-generator

generate, refine, validate, and render diagrams from natural language, notes, code snippets, schemas, tables, or existing diagram source. use for flowcharts, swimlanes, sequence diagrams, state diagrams, er diagrams, class diagrams, architecture/c4-style diagrams, dependency graphs, gantt charts, mind maps, user journeys, sankey-style flows, org charts, network graphs, and other visual models. supports mermaid by default, graphviz dot for complex graph layout, plantuml for uml-heavy engineering diagrams, and svg output when direct markup is more reliable.

docs-generator

|

dotnet-reverse

.NET / C# 二进制逆向。当目标是 .NET assembly（PE 头含 CLR、.exe/.dll 托管程序）、C# 编译产物（含 NativeAOT）、红队 Sharp* 工具（Rubeus / SharpHound / SharpHound 等）、.NET 混淆程序（ConfuserEx / SmartAssembly / Babel / Eazfuscator）、.NET loader / info-stealer / 套壳 malware 时使用。优先用 dnSpyEx + de4dot，需要 AI 直接操作时联动 dnSpy MCP。不用于纯 native 二进制（走 reverse-engineering / ida-reverse）。

edr-bypass-re

|

email-security

Use for authorized email security review including phishing analysis, header authentication (SPF/DKIM/DMARC), BEC patterns, and mailbox token abuse research.

firmware-pentest

|

ghidra-reverse

Use for free/open reverse engineering with Ghidra (headless or GUI), including decompile, cross-refs, and optional Ghidra MCP workflows when IDA is unavailable.

go-rust-reverse

Use for reverse engineering stripped Go and Rust binaries including runtime recognition, pclntab/moduel data recovery, panic strings, and idiomatic decompilation recovery.

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