--- name: digital-forensics description: "Authorized digital forensics: memory dumps, disk timelines, PCAP investigation, artifact triage, and incident-response evidence preservation." risk: safe source: "https://github.com/zhaoxuya520/reverse-skill" source_repo: "zhaoxuya520/reverse-skill" source_type: community date_added: "2026-08-25" license: "MIT" license_source: "https://github.com/zhaoxuya520/reverse-skill/blob/main/LICENSE" --- # Digital Forensics & IR Artifacts ## When to Use - Investigating a suspected incident with forensic rigor. - Building defensible timelines from disk/memory/network artifacts. ## 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 ```text □ 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 ```bash 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 ```text □ 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 ```text □ 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? ## Limitations - Chain-of-custody requirements apply; work on verified copies, never originals. - Encrypted or anti-forensic artifacts may be unrecoverable. > Adapted from [zhaoxuya520/reverse-skill](https://github.com/zhaoxuya520/reverse-skill) (MIT).