MCPInstall

ot-ics

Use for authorized OT/ICS security assessment covering Purdue model zoning, PLC/SCADA exposure, industrial protocol discovery, and safe passive-first evaluation.

Installs
1.1K
Last 24h
+10
Trending rank
#8842
Security
Not audited

Install

Works with every agent the skills CLI supports.

npx skills add https://github.com/zhaoxuya520/reverse-skill --skill ot-ics
  1. 01

    Install

    Run the command in your project. The CLI asks which agents to install for.

  2. 02

    Describe the task

    Ask your agent for something this skill covers. It loads ot-ics automatically when relevant.

  3. 03

    Review the result

    The agent follows the SKILL.md steps, scripts and references bundled with the skill.

SKILL.md

The instructions your agent reads when the skill is triggered.

OT / ICS Security

ACTION REQUIRED(读完后立刻执行)

  1. NOW: 读取 ../field-journal/precedent-pentest.md — 工控环境误操作可致物理危害
  2. NOW: 书面授权必须写清:站点、网段、是否允许主动扫描/写寄存器
  3. NOW: case-init;默认 passive-first;ready_for_act 前禁止对 PLC 写操作
  4. NEXT: tool-index;多数工控工具需手动与隔离实验网
  5. ACT: 资产与分区识别 → 暴露面 → 只读验证

适用场景

  • 工控/SCADA/DCS 安全评估(授权)
  • Purdue 模型分区与跨区通道
  • Modbus/DNP3/S7/EtherNet/IP 等协议暴露
  • 工程师站、HMI、历史库、跳板主机
  • IT/OT 融合边界(防火墙规则、单向闸)

安全铁律(MUST)

MUST NOT 在未明确允许时:
- 对 PLC 写线圈/寄存器
- 全网高速率扫描生产 OT
- 中断安全仪表系统(SIS)相关路径
优先:只读识别、流量镜像、离线固件/配置分析

工作流

Phase 1 — 分区与资产

□ Purdue L0–L5 草图:现场设备 → 控制 → 监督 → 站点 DMZ → 企业
□ 资产清单:PLC/RTU/HMI/工程师站/历史库/Jump host
□ 协议与端口基线(仅授权网段)

Phase 2 — 被动与只读

□ SPAN/镜像 PCAP → protocol-reverse / Wireshark 工控解析器
□ 配置与工程文件离线审计(TIA/RSLogix 导出等)
□ 默认口令与明文协议(Modbus 无认证)记录为 Finding,不写盘改值

Phase 3 — 受限主动(仅授权)

□ 低速识别,维护窗口
□ 只读功能码优先
□ 每步 Evidence;异常立即停止并通报

Phase 4 — 固件/补丁面

□ 控制器固件版本 → CVE 映射(不盲刷固件)
□ 联合 firmware-pentest 做离线镜像分析

工具链

工具用途注意
Wireshark 工控 dissectors被动解析镜像流量
Nmap NSE(受限)识别速率与时间窗
Claroty/Nozomi 等资产发现商业/现场
PLC 厂商工程软件配置审计离线优先
binwalk / Ghidra固件离线

参考

  • references/ot-safe-assessment.md
  • ../firmware-pentest/ ../protocol-reverse/ ../network via pentest-tools

路由上下文

上游: MASTER R28
下游: 固件深挖 firmware-pentest;协议 protocol-reverse;IT 横向 windows-ad/attack-chain
同级: 不要用普通 Web 扫默认参数打 OT

任务完成自检

  • 是否默认被动/只读并记录授权边界?
  • 是否避免对控制回路写操作(除非明确允许)?
  • Finding 是否含物理/过程影响说明?
  • Checklist / journal?

FAQ

What does the ot-ics skill do?

Use for authorized OT/ICS security assessment covering Purdue model zoning, PLC/SCADA exposure, industrial protocol discovery, and safe passive-first evaluation.

How do I install ot-ics?

Run npx skills add https://github.com/zhaoxuya520/reverse-skill --skill ot-ics in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/ot-ics/ (personal) or .claude/skills/ot-ics/ (project).

Which AI agents can use ot-ics?

Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.

Is ot-ics safe to install?

No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.

Who maintains ot-ics?

It is published by zhaoxuya520 in zhaoxuya520/reverse-skill. It has 1,122 recorded installs.

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