@zhaoxuya520/digital-forensics

Use for authorized digital forensics including memory dumps, disk timelines, PCAP investigation, artifact triage, and IR evidence preservation.

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SKILL.md
namedigital-forensics
descriptionUse for authorized digital forensics including memory dumps, disk timelines, PCAP investigation, artifact triage, and IR evidence preservation.

Digital Forensics & IR Artifacts

ACTION REQUIRED(读完后立刻执行)

  1. NOW: 读取 ../field-journal/precedent-pentest.md 或组织 IR 授权说明
  2. NOW: 确认是取证/溯源而非进攻性扫描
  3. NOW: 建立 case;证据只读副本优先(原始介质写保护)
  4. NEXT: tool-index;Volatility 等常手动
  5. ACT: 保全哈希 → 时间线 → 关键伪影

适用场景

  • 内存转储分析(Volatility 2/3)
  • 磁盘/ E01 / 落地文件时间线
  • PCAP 溯源与协议还原(可联合 protocol-reverse/
  • 主机伪影:Prefetch、Shimcache、Event Log、浏览器历史
  • 应急响应 IOC 提炼(联合 malware-analysis/ / threat-hunting/

工作流

1. 保全

□ 计算 SHA256;记录时区与采集命令
□ 工作在副本上;原始只读
□ chain of custody 备注写入 timeline

2. 内存

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. 主机伪影

□ 事件日志:Security / PowerShell / Sysmon
□ 持久化:Run 键、服务、计划任务、WMI
□ 执行痕迹:Amcache、Prefetch、BAM

4. 网络

□ tshark 统计会话与 DNS
□ 导出可疑流 → protocol-reverse 或 malware C2 分析

工具链

工具 用途
Volatility 3 内存
Timeline Explorer / Plaso 超级时间线
tshark PCAP
Eric Zimmerman 工具集 Windows 伪影
Autopsy / FTK Imager 磁盘

参考

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

路由上下文

上游: MASTER R25
下游: 恶意样本深挖 → malware-analysis;规则 → threat-hunting

任务完成自检

  • 是否保全哈希与副本策略?
  • 时间线是否可复核?
  • IOC 是否脱敏分级?
  • Checklist?

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