ctf-forensics
CTF 数字取证与信号分析技术。当挑战提供磁盘镜像(.dd/.E01)、内存 dump(.raw/.vmem)、网络抓包(.pcap/.pcapng)、隐写图片/音频、Windows 事件日志(.evtx)时使用。覆盖 Volatility 内存分析、Wireshark 流量还原、binwalk 隐写提取、文件系统恢复等取证全链路
DeepseekModel
Curated skill
Quality Excellent · 90
v1.0.0
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name ctf-forensics description CTF 数字取证与信号分析技术。当挑战提供磁盘镜像(.dd/.E01)、内存 dump(.raw/.vmem)、网络抓包(.pcap/.pcapng)、隐写图片/音频、Windows 事件日志(.evtx)时使用。覆盖 Volatility 内存分析、Wireshark 流量还原、binwalk 隐写提取、文件系统恢复等取证全链路 metadata {"tags":"ctf,forensics,取证,volatility,pcap,steganography,隐写,磁盘,内存,网络","category":"ctf"} CTF 数字取证 深入参考 以下参考资料 按需加载 ,根据识别出的具体方向选择对应文件: 磁盘/内存取证(Volatility/VM/VMDK/分区恢复/勒索软件) → references/disk-and-memory.md 磁盘恢复(LUKS/BTRFS/XFS/RAID5/反雕刻) → references/disk-recovery.md Windows 取证(注册表/SAM/事件日志/WMI/Amcache) → references/windows.md Linux/应用取证(Docker/Git/浏览器/KeePass) → references/linux-forensics.md 网络取证基础(tcpdump/TLS解密/SMB3/USB音频) → references/network.md 高级网络取证(时序编码/NTLMv2/TCP隐蔽通道/DNS隐写) → references/network-advanced.md 通用隐写术(PDF/SVG/PNG/文件叠加/终端图形) → references/steganography.md 图像隐写术(JPEG DQT/BMP位平面/F5检测/调色板) → references/stego-image.md 高级隐写术(FFT/DTMF/音频/视频帧/JPEG XL) → references/stego-advanced.md 高级隐写术2(视频帧累积/反转音频/多层PNG/EXIF链) → references/stego-advanced-2.md 高级磁盘取证(删除分区恢复/ZFS/LVM Thin/APFS快照) → references/disk-advanced.md 外设捕获分析(USB HID鼠标绘图/键盘捕获解码/蓝牙) → references/peripheral-capture.md 硬件信号(VGA/HDMI/DisplayPort/功率侧信道/键盘声学) → references/signals-and-hardware.md 3D 打印取证(PrusaSlicer/G-code/QOIF) → references/3d-printing.md 分类决策树 拿到取证题? ├─ 文件分析 │ ├─ file/exiftool/binwalk → 识别格式与嵌入文件 │ ├─ 图片 → steghide/zsteg/stegsolve → [references/stego-image.md](references/stego-image.md) │ ├─ 音频 → 频谱图/DTMF/SSTV → [references/stego-advanced.md](references/stego-advanced.md) │ └─ PDF → 元数据/隐藏文本/多层 → [references/steganography.md](references/steganography.md) ├─ 磁盘/内存镜像 │ ├─ .dd/.img → mount -o loop,ro → fls/photorec │ ├─ .ova/.vmdk → tar xf → 7z 提取 │ ├─ 内存 → Volatility3 (pslist/filescan/dumpfiles) │ └─ RAID/ZFS/BTRFS → [references/disk-recovery.md](references/disk-recovery.md) ├─ 网络流量 (.pcap) │ ├─ HTTP → tshark --export-objects │ ├─ TLS → SSLKEYLOGFILE / 弱RSA密钥 │ ├─ SMB → 密钥解密 / NTLMv2 提取 │ └─ DNS → 隐蔽通道 / 尾字节编码 ├─ Windows 事件日志 → [references/windows.md](references/windows.md) ├─ 硬件信号 → [references/signals-and-hardware.md](references/signals-and-hardware.md) └─ 区块链 → mempool.space API / 剥离链追踪 快速启动命令 # 文件分析 file suspicious && exiftool suspicious && binwalk suspicious strings -n 8 suspicious | grep -iE "flag|ctf" # 磁盘取证 sudo mount -o loop,ro image.dd /mnt/evidence fls -r image.dd && photorec image.dd # 内存取证 (Volatility 3) vol3 -f memory.dmp windows.pslist vol3 -f memory.dmp windows.filescan vol3 -f memory.dmp windows.dumpfiles --physaddr ADDR # 网络流量 tshark -r capture.pcap -Y "http" --export-objects http,/tmp/out 隐写速查 格式 工具 说明 JPEG steghide / F5 检测 DQT表/DCT系数比 PNG/BMP zsteg / stegsolve 位平面/调色板/LSB 音频 multimon-ng / sox DTMF/频谱/反转 视频 帧累积/逐帧差分 闪烁隐藏QR PDF exiftool + binwalk 元数据/注释/EOF后数据 Windows 关键事件 ID ID 含义 1102 审计日志清除 4720 用户创建 4781 账户重命名 21 (TSLocal) RDP 登录成功 Windows 事件日志 EVTX 分析关注时间戳(TimeCreated / SystemTime)排序关键事件
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| Field | Description |
|---|---|
| format | Format tag (skill/v1) |
| skill_id | Unique skill ID |
| name | Skill name |
| version | Version |
| description | Description |
| category | Categories (array) |
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