code-audit – Coding skill for AI agents

Authorized source-code security review and SAST workflows: Semgrep and CodeQL pattern hunting, dangerous API identification, and fix verification.

CodingSKILL.mdClaude Code · Codex · Hermes · DeepSeek

Install the code-audit skill with one command

Pick the tool you use, copy the command and paste it in your terminal. The skill lands in that tool's skills folder and is ready in your next session.

Claude Code

mkdir -p ~/.claude/skills && curl -fsSL https://skill.dn1nguoi.com/z/code-audit-5533b.tgz | tar xz -C ~/.claude/skills

Call it in Claude Code: /code-audit – then describe the task you want done.

Codex

mkdir -p ~/.codex/skills && curl -fsSL https://skill.dn1nguoi.com/z/code-audit-5533b.tgz | tar xz -C ~/.codex/skills

Call it in Codex: $code-audit – then describe the task you want done.

Hermes Agent

mkdir -p ~/.hermes/skills && curl -fsSL https://skill.dn1nguoi.com/z/code-audit-5533b.tgz | tar xz -C ~/.hermes/skills

Call it in Hermes Agent: /code-audit – then describe the task you want done.

DeepSeek

mkdir -p ~/.deepcode/skills && curl -fsSL https://skill.dn1nguoi.com/z/code-audit-5533b.tgz | tar xz -C ~/.deepcode/skills

Call it in DeepSeek: /code-audit – then describe the task you want done.

SKILL.md content

Source Code Security Audit

When to Use

Reviewing a codebase for security defects with static analysis.
Verifying that a vulnerability fix actually removes the flawed pattern.

适用场景

白盒审计、PR/差分安全审查
Semgrep / CodeQL / Bandit / gosec 等 SAST
危险 API、注入点、鉴权缺失、加密误用
与 supply-chain-security/ 分工：本 skill 偏自有代码逻辑，供应链偏依赖与管道

工作流

1. 范围与威胁模型

□ 信任边界：用户输入、文件、反序列化、SSRF、鉴权中间件
□ 高价值资产：鉴权、支付、管理端、密钥处理

2. 自动扫描

semgrep --config auto .
# 或项目规则包
semgrep --config p/owasp-top-ten .

3. 人工验证（MUST）

□ 每个 SAST 命中：可达性？可利用性？误报？
□ 鉴权：IDOR/越权、缺校验、错误的多租户隔离
□ 注入：SQL/命令/模板/LDAP
□ 加密：硬编码密钥、ECB、自定义 crypto

4. 产出

Finding：位置 + 数据流 + PoC + 修复建议
可选 ATT&CK / CWE 编号

工具链

| 工具 | 语言/场景 |

|------|-----------|

| Semgrep | 多语言快速规则 |

| CodeQL | 深数据流（GitHub） |

| Bandit | Python |

| gosec / staticcheck | Go |

| SpotBugs / FindSecBugs | Java |

参考

references/sast-review-checklist.md
../supply-chain-security/ ../api-security/ ../llm-security/（Agent 代码）

路由上下文

上游: MASTER R26

角色: ops/role-map.md cae

下游: 依赖漏洞 → supply-chain；运行时验证 → pentest-tools

任务完成自检

[ ] 是否人工验证而非只贴扫描器输出？
[ ] 是否含修复建议？
[ ] 是否限定在授权仓库范围？
[ ] Checklist？

Limitations

Static analysis produces false positives; manual triage is required.
Coverage depends on language support of the chosen SAST engine.

> Adapted from [zhaoxuya520/reverse-skill](https://github.com/zhaoxuya520/reverse-skill) (MIT).

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