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dotnet-archive-extract-audit

.NET 归档解压路径穿越审计工具。识别 ZipArchive、Tar、SharpCompress 等解压逻辑中的 entry name 逃逸与最终目标路径越界风险。

Skill by ZMR0zhangmouren

IndexedApache-2.0★ 11
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Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

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About

.NET 归档解压路径穿越审计工具。识别 ZipArchive、Tar、SharpCompress 等解压逻辑中的 entry name 逃逸与最终目标路径越界风险。

Use cases: security

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Permissions

What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.

Tools
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Secrets
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Install scripts
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Network hosts it talks to 1

  • codeload.github.com · found in install command

Files it touches

  • ~/.claude/skills/dotnet-archive-extract-audit

What's inside

Skill name
dotnet-archive-extract-audit
Description
.NET 归档解压路径穿越审计工具。识别 ZipArchive、Tar、SharpCompress 等解压逻辑中的 entry name 逃逸与最终目标路径越界风险。
License
Apache-2.0
Instructions
45 lines in SKILL.md · view on GitHub

Files (1)

  • SKILL.md

SKILL.md (first lines)

# .NET 归档解压审计

## 共享抓手索引引用

- 默认以 shared/DOTNET_AUDIT_GRABBER_INDEX.md 作为本 Skill 的基础检索索引
- 枚举时至少覆盖与压缩包格式、条目名、解压目录、覆盖策略、软链接和后续消费相关的共享抓手
- 若项目存在 ArchiveService、PackageImporter、PluginInstaller、BackupRestore 等二次封装,必须补充到输出中的项目内抓手章节
- 当本 Skill 的专项枚举规则比共享索引更细时,以本 Skill 为准,但不得缩减共享索引的基础覆盖范围

## 输入依赖

- 必需:`source_path`
- 可选:`route_mapping/routes_{timestamp}.md` 与 `route_mapping/params_{timestamp}.md`(用于对齐入口、参数绑定与 `route_id`)
- 可选:`framework_audit/*_{timestamp}.md`(用于补充宿主、静态文件目录、上传/插件目录与运行时控制面)
- trace-gate 场景下优先消费:`route_tracer/{route_id}/trace_{timestamp}.md`;如存在 `route_tracer/{route_id}/trace_summary_{timestamp}.md`,可作为摘要索引
- 如通过 `dotnet-audit-pipeline` 执行,当前专项引用的 `route_id` 应与 `cross_analysis/high_risk_routes_{timestamp}.md` 保持一致

重点检查:

- ZipArchive、Tar、SharpCompress、第三方解压组件的 extract 调用点与目标目录来源
- ZipArchiveEntry.FullName、entry.Key、tar path 等归档条目名是否包含 ../、绝对路径、盘符、UNC、保留设备名等逃逸片段
- 条目名在规范化、替换分隔符、去前导斜杠、大小写归一化后的最终解析目标是否仍越出 base directory
- 解压目录是否位于 web root、插件目录、模板目录、任务输入目录、可下载目录或后台扫描目录
- 压缩包中的符号链接、硬链接、重复文件名、目录覆盖、文件替换和压缩炸弹防护是否处理
- 解压结果是否会被后续模板渲染、程序集加载、脚本执行、配置读取或静态资源发布链消费

## 枚举规则(强制细化)

- 枚举 ZipArchive、Tar、SharpCompress、SevenZip 封装、自定义解压服务、导入功能中的 extract 调用点
- 优先搜索 extract、unzip、untar、archive、entry、restore、import package、theme/plugin import 等业务语义
- 枚举 entry name 规范化、目标目录拼接、重复文件覆盖、软链接/硬链接条目处理逻辑
- 对每个解压点记录:archive 来源、目标目录、最终解析路径、解压后文件是否进入可访问或可执行区域

证据引用:

- EVID_ARCHIVE_EXTRACT_CALLSITE
- EVID_ARCHIVE_ENTRY_NAME_SOURCE
- EVID_ARCHIVE_FINAL_TARGET

## 输出

- vuln_audit/archive_{timestamp}.md
- 可选:vuln_poc/archive_{timestamp}.md(已确认 / 待验证 / 环境依赖 PoC;如不适合直接构造请求,至少给出验证步骤)

From ZMR0zhangmouren/dotnet-security-audit-skill, Apache-2.0.

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Last commit (this folder)
May 21, 2026 (5 months ago)

From GitHub (fetched Oct 24, 2026).

Details

License
Apache-2.0
First seen
Oct 24, 2026
Last checked
Oct 24, 2026

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dotnet-archive-extract-audit skill. Agent Mart. https://agentmart.dev/skills/zmr0zhangmouren-dotnet-archive-extract-audit (last updated 2026-10-24)