email-security
Use for authorized email security review including phishing analysis, header authentication (SPF/DKIM/DMARC), BEC patterns, and mailbox token abuse research.
Works with
--- 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 --- # 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?
More Security skills
azure-cost
microsoft/azure-skills
Azure cost management: query costs, forecast spending, optimize to reduce waste. WHEN: \"Azure costs\", \"Azure bill\", \"cost breakdown\", \"how much am I spending\", \"forecast spending\", \"optimize costs\", \"reduce spending\", \"orphaned resources\", \"rightsize VMs\", \"cost spike\", \"reduce storage costs\", \"AKS cost\". DO NOT USE FOR: deploying resources, provisioning, diagnostics, or security audits.
entra-app-registration
microsoft/azure-skills
Guides Microsoft Entra ID app registration, OAuth 2.0 authentication, and MSAL integration. USE FOR: create app registration, register Azure AD app, configure OAuth, set up authentication, add API permissions, generate service principal, MSAL example, console app auth, Entra ID setup, Azure AD authentication. DO NOT USE FOR: Key Vault secrets (use azure-keyvault-expiration-audit), general Azure resource security guidance.
azure-messaging
microsoft/azure-skills
Troubleshoot and resolve issues with Azure Messaging SDKs for Event Hubs and Service Bus. Covers connection failures, authentication errors, message processing issues, and SDK configuration problems. WHEN: event hub SDK error, service bus SDK issue, messaging connection failure, AMQP error, event processor host issue, message lock lost, message lock expired, lock renewal, lock renewal batch, send timeout, receiver disconnected, SDK troubleshooting, azure messaging SDK, event hub consumer, service bus queue issue, topic subscription error, enable logging event hub, service bus logging, eventhub python, servicebus java, eventhub javascript, servicebus dotnet, event hub checkpoint, event hub not receiving messages, service bus dead letter, batch processing lock, session lock expired, idle timeout, connection inactive, link detach, slow reconnect, session error, duplicate events, offset reset, receive batch.

