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Updated 1d ago

by crt106

c3rb3r-btrfs-recovery

Keyless recovery of C3RB3R (.L0CK3D) ransomware-encrypted Synology/Btrfs files from surviving CoW extents — agent skill (npx skills add). 群晖勒索无密钥恢复 skill

  • New — Created in the last 30 days
  • Active — Updated in the last 14 days
Works with
  • Claude
View on GitHub (opens in a new tab)

28 GitHub stars (28)

+28 in 2 days

Stars gained per day · daily snapshots since Oct 30
Stars gained per day, Oct 30 to Nov 1: +11 in total; the busiest day was Nov 1 with +9 stars.Oct 31: +2 starsNov 1: +9 stars
Stars gained between daily snapshots
PeriodNew stars
Oct 31+2
Nov 1+9
  • 1 skill (1 skills found in its SKILL.md files)
  • 0 forks (0 forks)
  • 1d ago last update (Last updated 1d ago)

Install

Skills CLI

npx skills add crt106/c3rb3r-btrfs-recovery

Asks which agents to install it for. Add -g to install it for every project.

Claude Code

git clone https://github.com/crt106/c3rb3r-btrfs-recoverycp -r "c3rb3r-btrfs-recovery/skills/c3rb3r-btrfs-recovery" ~/.claude/skills/

Copies the c3rb3r-btrfs-recovery skill into ~/.claude/skills/ for every project (use .claude/skills/ for one project).

Plugin

/plugin marketplace add crt106/c3rb3r-btrfs-recovery

Run inside Claude Code if the repository ships a plugin marketplace, then pick plugins from /plugin.

Skills can run code on your machine — read the SKILL.md first.

What it does

In the author's own words, from each skill's SKILL.md.

  • c3rb3r-btrfs-recovery

    恢复被 C3RB3R / Cerber 系勒索软件（文件后缀 .L0CK3D、勒索信 read-me3.txt）加密的群晖（Synology DSM）或其他 Btrfs NAS 上的数据，无需密钥：利用 Btrfs 写时复制留下的旧 extent 逐字节还原原文件，并用 Btrfs 校验和逐块证实。覆盖 CoW / NoCOW 判定、子卷快照代数（lastsnap）效应、extent 树精确重组、大文件跨 extent 推测、统计、导出、验证和报告。只要用户提到 NAS / 群晖 / 黑群晖 被勒索、.L0CK3D、read-me3.txt、C3RB3R、Btrfs 文件被加密想恢复、"没有备份没有快照怎么救"，即使没提 Btrfs 或 extent，也应使用本 skill。Use for ransomware recovery of .L0CK3D files on Synology/…

    skills/c3rb3r-btrfs-recovery/SKILL.md on GitHub (opens in a new tab)

Review before you install

A skill is a set of instructions and scripts your agent will follow, and it can run code on your machine. Read the SKILL.md and any scripts first — this listing is not a security review.