email-security
Use for authorized email security review including phishing analysis, header authentication (SPF/DKIM/DMARC), BEC patterns, and mailbox token abuse research.
Skill by john0123412
Chalk Labs
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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
Use cases: security, research, productivity
Reviews
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What's inside
- Skill name
email-security- Description
- Use for authorized email security review including phishing analysis, header authentication (SPF/DKIM/DMARC), BEC patterns, and mailbox token abuse research.
- License
- MIT
- Instructions
- 51 lines in SKILL.md · view on GitHub
Files (2)
- SKILL.md
- email-auth-checklist.md · references/
SKILL.md (first lines)
# Email Security & Phishing Analysis ## ACTION REQUIRED(读完后立刻执行) 1. `NOW`: 确认授权(分析样本邮件 / 租户配置评审) 2. `NOW`: 不向真实用户二次投递恶意样本 3. `ACT`: 头认证 → 内容/URL → 附件沙箱 → 租户控制面建议 ## 适用场景 - 钓鱼邮件拆解与 IOC - SPF/DKIM/DMARC 配置评估 - BEC 商务邮件欺诈模式 - OAuth 应用钓鱼 / 邮箱令牌滥用(联合 llm/cloud 身份) - 安全意识演练设计(授权) ## 工作流 ```text □ 完整原始头:Received 链、From/Return-Path 一致性 □ SPF/DKIM/DMARC 对齐结果 □ URL 沙箱与附件静态(联合 malware-analysis) □ 仿冒品牌与回复地址差异 □ 租户:反钓鱼策略、外部标记、MFA、OAuth app 同意 ``` ## 工具链 | 工具 | 用途 | |------|------| | 邮件客户端「查看源」 | 头 | | dig/nslookup | SPF/DMARC 记录 | | urlscan / 沙箱 | 链接与附件 | | 租户管理中心 | 策略 | ## 参考 - `references/email-auth-checklist.md` - `../malware-analysis/` `../attack-chain/`(钓鱼阶段) `../windows-ad/`(令牌) ## 路由上下文 **上游**: MASTER R36 **MUST NOT**: 未授权对第三方域群发测试钓鱼 ## 任务完成自检 - [ ] 头认证结论是否完整? - [ ] IOC 是否可检测化(联合 threat-hunting)? - [ ] Checklist?
From john0123412/PawnLogic, MIT.
More from john0123412/PawnLogic
- 0.611score
case-review
john0123412
Reviews a reverse-skill case package for scope readiness, Evidence to Finding to Path traceability, work item coverage, timeline references, and optional…
SkillAFreshness: A★ 4Claude Code +9 - 0.602score
attack-chain
john0123412
Use for authorized multi-stage attack-path planning and orchestration when a task spans reconnaissance, initial access, privilege escalation, lateral…
SkillAFreshness: A★ 4Claude Code +9
Signals
- Stars
- 4
- Forks
- 2
- Open issues
- 0
- Last commit (this folder)
- Aug 10, 2026 (2 months ago)
- Last release
- Oct 24, 2026 (7 days ago)
From GitHub (fetched Oct 24, 2026).
Details
- License
- MIT
- Repository
- github.com/john0123412/PawnLogic
- First seen
- Oct 24, 2026
- Last checked
- Oct 24, 2026
- Source
- GitHubgithub-graphql
Same skill elsewhere
Copies of this SKILL.md published by others; search shows only one of them.
More from john0123412
- 0.611score
case-review
john0123412
Reviews a reverse-skill case package for scope readiness, Evidence to Finding to Path traceability, work item coverage, timeline references, and optional…
SkillAFreshness: A★ 4Claude Code +9 - 0.602score
attack-chain
john0123412
Use for authorized multi-stage attack-path planning and orchestration when a task spans reconnaissance, initial access, privilege escalation, lateral…
SkillAFreshness: A★ 4Claude Code +9
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Cite this page
email-security skill. Agent Mart. https://agentmart.dev/skills/john0123412-email-security (last updated 2026-10-24)