analyzing-changes
Analyzes code changes, detects documentation drift, and evaluates change impact scope. Use when reviewing diffs, checking doc sync, or running pre-commit…
蓝队与紫队工程:检测规则编写、SIEM/EDR 调优、事件响应、数字取证、威胁狩猎、ATT&CK 映射、紫队演练闭环。Use when writing Sigma/YARA detection rules, tuning SIEM noise, responding to security incidents, conducting forensic analysis, hunting threats, or running purple team exercises.
$ npx -y skills add telagod/code-abyss --skill detecting-and-responding --agent claude-codeHow it fires
How this skill gets triggered: by you, by Claude, or both.
/detecting-and-respondingContext preview
The summary Claude sees to decide when to auto-load this skill.
蓝队与紫队工程:检测规则编写、SIEM/EDR 调优、事件响应、数字取证、威胁狩猎、ATT&CK 映射、紫队演练闭环。Use when writing Sigma/YARA detection rules, tuning SIEM noise, responding to security incidents, conducting forensic analysis, hunting threats, or running purple team exercises.
name: detecting-and-responding description: 蓝队与紫队工程:检测规则编写、SIEM/EDR 调优、事件响应、数字取证、威胁狩猎、ATT&CK 映射、紫队演练闭环。Use when writing Sigma/YARA detection rules, tuning SIEM noise, responding to security incidents, conducting forensic analysis, hunting threats, or running purple team exercises. user-invocable: false
> **判断先于执行**:决定「是否做 / 选什么 / 如何取舍」(栈、方案、架构、权衡)前,先读领域判断内核 `skills/_kernel/security/SKILL.md`——它管 judgment,本秘典管 execution;冲突时以内核判断为准。
> 检测是工程,不是运气。每条规则必须能回答四问:**what / why / FP rate / response**。 > 站在防御侧,把告警当代码维护、把事件当事故管理、把狩猎当假设验证。 > 信级:项目日志/EDR 原始事件 > Sigma/YARA 规则库 > ATT&CK 官方矩阵 > 训练记忆(标 `[unverified]`)。
| 意图 | 秘典 | 触发词 | |------|------|--------| | SIEM/EDR 规则与调优 | [siem-and-edr](references/siem-and-edr.md) | Sigma, YARA, Splunk, Elastic, Sentinel, EDR, LOLBins, detection-as-code | | 事件响应与取证 | [incident-response](references/incident-response.md) | IR, NIST 800-61, triage, chain of custody, Volatility, memory, runbook, postmortem | | 威胁狩猎与紫队 | [threat-hunting](references/threat-hunting.md) | hunt, hypothesis, IOC, IOA, TTP, ATT&CK, Atomic Red Team, Caldera, 蜜罐 |
检测:日志源 → 规则编写 → 告警分级 → 调优降噪 → 覆盖矩阵 响应:识别 → 遏制 → 根因 → 清除 → 恢复 → 复盘 狩猎:假设 → 数据源 → 验证 → 规则化 → 自动化 → 紫队闭环
每环必须可回答「我看的是哪条日志?我证伪的是哪条假设?我下一步动作是什么?」
| 场景 | 用 | 不用 | |------|----|----| | 写 Sigma/YARA 规则、调 SIEM | ✅ siem-and-edr | — | | 处理已发生入侵、取证 | ✅ incident-response | — | | 假设驱动狩猎 / 紫队演练 | ✅ threat-hunting | — | | ATT&CK 检测覆盖打分 | ✅ threat-hunting | — | | 设计应用层防御代码 | ❌ | [defending-applications](../defending-applications/SKILL.md) | | 渗透测试、写 PoC | ❌ | [securing-systems](../securing-systems/SKILL.md) (pentest/red-team) | | 威胁建模、IAM 架构 | ❌ | [architecting-security](../architecting-security/SKILL.md) | | 代码静态扫描胶水 | ❌ | [analyzing-security](../analyzing-security/SKILL.md) | | 云配置基线、K8s 加固 | ❌ | [securing-cloud-and-supply-chain](../securing-cloud-and-supply-chain/SKILL.md) |
1. **无噪不出闸** — 任何规则上线前必须有基线 + FP rate 测量;FP > 5% 直接打回调优,不准带病上线。 2. **不证伪即假设** — 狩猎必须有可证伪的假设;找不到不是结论,是数据缺失或假设错。 3. **取证不破坏现场** — 先采易失证据(内存/网络/进程),再动磁盘;写阻断器 + 哈希链 + 时间戳三件套必须齐。 4. **检测即代码** — 规则进 git、有 unit test、过 CI、有 owner;改规则等同改生产代码。 5. **闭环到 ATT&CK** — 每条规则、每次事件、每次狩猎必须映射到 ATT&CK 技术 ID;无 ID 不归档。
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Repo: telagod/code-abyss
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