Agent Skillszhaoxuya520/reverse-skill › threat-hunting

threat-hunting

GitHub

用于蓝队威胁狩猎与检测工程,涵盖基于假说的SIEM查询、Sigma/YARA规则编写、告警调优及误报分析,支持从发现到验证的闭环工作流。

skills/threat-hunting/SKILL.md zhaoxuya520/reverse-skill

Trigger Scenarios

进行威胁狩猎或安全检测规则开发 需要设计SIEM查询或分析告警误报 执行检测逻辑验证与原子测试

Install

npx skills add zhaoxuya520/reverse-skill --skill threat-hunting -g -y
More Options

Use without installing

npx skills use zhaoxuya520/reverse-skill@threat-hunting

指定 Agent (Claude Code)

npx skills add zhaoxuya520/reverse-skill --skill threat-hunting -a claude-code -g -y

安装 repo 全部 skill

npx skills add zhaoxuya520/reverse-skill --all -g -y

预览 repo 内 skill

npx skills add zhaoxuya520/reverse-skill --list

SKILL.md

Frontmatter
{
    "name": "threat-hunting",
    "description": "Use for blue-team threat hunting, detection engineering with Sigma\/YARA, SIEM query design, and incident detection validation."
}

Threat Hunting & Detection Engineering

ACTION REQUIRED(读完后立刻执行)

  1. NOW: 确认蓝队/狩猎授权与数据源范围(SIEM、EDR 导出)
  2. NOW: 明确假说(hypothesis)再查数,避免无脑刷告警
  3. NEXT: 工具与数据接入方式
  4. ACT: 假说 → 查询 → 验证 → 规则化

适用场景

  • 威胁狩猎(hypothesis-driven)
  • Sigma / YARA 检测工程
  • 告警调优、误报分析
  • malware-analysis/:样本侧 IOC → 本 skill 落地检测
  • digital-forensics/:案件伪影 → 横向狩猎

工作流

1. 建假说

例:攻击者用 living-off-the-land 做横向
→ 数据源:Sysmon 1/3/10、Windows Security 4624/4648
→ 成功标准:发现异常父进程或罕见账户日志源

2. 查询与堆叠

□ 基线:正常管理员行为时段与主机
□ 异常:新服务、编码 PowerShell、异常出站
□ 关联:同账号多主机短时登录

3. 规则化

# Sigma 骨架见 malware-analysis;本 skill 强调:
# - 误报面
# - 数据源字段映射
# - 响应 playbook 链接

4. 验证

□ 原子测试(Atomic Red Team)仅在授权实验室
□ 回放历史日志验证召回

工具链

工具 用途
Sigma CLI / sigmac 规则转换
YARA 文件/内存
SIEM(ELK/Splunk 等) 查询
osquery 端点狩猎
Atomic Red Team 检测验证(实验室)

参考

  • references/hunting-loop.md
  • ../malware-analysis/references/yara-sigma-rules.md
  • ../digital-forensics/

路由上下文

上游: MASTER R27
下游: 确认入侵 → forensics;恶意样本 → malware-analysis
MUST NOT: 在无授权生产环境跑攻击模拟

任务完成自检

  • 是否有明确假说与结论?
  • 规则是否注明误报与数据源?
  • Checklist?

Version History

  • b8ae07d Current 2026-07-19 23:11

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Metadata

Files
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Version
ecfecfd
Hash
b14ecc48
Indexed
2026-07-19 23:11

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