AGENT SKILL

threat-hunting

Use for blue-team threat hunting, detection engineering with Sigma/YARA, SIEM query design, and incident detection validation.

License 许可
Apache-2.0
所属仓库
coco-research/coco
最近更新
2026-11-11
Stars
★ 631
Forks
15

01 前言 Front Matter

name
threat-hunting
description
Use for blue-team threat hunting, detection engineering with Sigma/YARA, SIEM query design, and incident detection validation.
user-invocable
true

02 资源文件 1

03 SKILL.md 正文

Threat Hunting & Detection Engineering

适用场景

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

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