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GhostPack / Seatbelt

Seatbelt is a C# project that performs a number of security oriented host-survey "safety checks" relevant from both offensive and defensive security perspectives.
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Execution fails if FIPS algorithms are enforced #119

Open leechristensen opened 1 year ago

leechristensen commented 1 year ago

Describe the bug When "Use FIPS compliant algorithms for encryption, hashing, and signing" is enabled on the system (you can check this with the registry key HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Lsa\FipsAlgorithmPolicy, and if Enabled = 1), Seatbelt throws the following exception:

System.InvalidOperationException: This implementation is not part of the Windows Platform FIPS validated cryptographic algorithms.
   at System.Security.Cryptography.RijndaelManaged..ctor()

To Reproduce Steps to reproduce the behavior. Please include any applicable artifacts that we could use to replicate the issue(e.g. files, registry keys, screenshots, etc.)

  1. Enable the GPO "Use FIPS compliant algorithms for encryption, hashing, and signing"
  2. Run Seatbealt running all modules

Expected behavior Seatbelt should run successfully

Observed behavior Errors with 

System.InvalidOperationException: This implementation is not part of the Windows Platform FIPS validated cryptographic algorithms.
   at System.Security.Cryptography.RijndaelManaged..ctor()

Additional Context See https://github.com/GhostPack/Rubeus/pull/66/files

parzel commented 1 year ago

I found a workaround via this post