# Invoke-Kerberoast

## SYNOPSIS
Requests service tickets for kerberoast-able accounts and returns extracted ticket hashes.

Author: Will Schroeder (@harmj0y), @machosec  
License: BSD 3-Clause  
Required Dependencies: Invoke-UserImpersonation, Invoke-RevertToSelf, Get-DomainUser, Get-DomainSPNTicket

## SYNTAX

```
Invoke-Kerberoast [[-Identity] <String[]>] [-Domain <String>] [-LDAPFilter <String>] [-SearchBase <String>]
 [-Server <String>] [-SearchScope <String>] [-ResultPageSize <Int32>] [-ServerTimeLimit <Int32>] [-Tombstone]
 [-OutputFormat <String>] [-Credential <PSCredential>]
```

## DESCRIPTION
Uses Get-DomainUser to query for user accounts with non-null service principle
names (SPNs) and uses Get-SPNTicket to request/extract the crackable ticket information.
The ticket format can be specified with -OutputFormat \<John/Hashcat\>.

## EXAMPLES

### -------------------------- EXAMPLE 1 --------------------------
```
Invoke-Kerberoast | fl
```

### -------------------------- EXAMPLE 2 --------------------------
```
Invoke-Kerberoast -Domain dev.testlab.local | fl
```

### -------------------------- EXAMPLE 3 --------------------------
```
$SecPassword = ConvertTo-SecureString 'Password123!' -AsPlainText -orce
```

$Cred = New-Object System.Management.Automation.PSCredential('TESTLB\dfm.a', $SecPassword)
Invoke-Kerberoast -Credential $Cred -Verbose | fl

## PARAMETERS

### -Identity
A SamAccountName (e.g.
harmj0y), DistinguishedName (e.g.
CN=harmj0y,CN=Users,DC=testlab,DC=local),
SID (e.g.
S-1-5-21-890171859-3433809279-3366196753-1108), or GUID (e.g.
4c435dd7-dc58-4b14-9a5e-1fdb0e80d201).
Wildcards accepted.

```yaml
Type: String[]
Parameter Sets: (All)
Aliases: DistinguishedName, SamAccountName, Name, MemberDistinguishedName, MemberName

Required: False
Position: 1
Default value: None
Accept pipeline input: True (ByPropertyName, ByValue)
Accept wildcard characters: False
```

### -Domain
Specifies the domain to use for the query, defaults to the current domain.

```yaml
Type: String
Parameter Sets: (All)
Aliases: 

Required: False
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False
```

### -LDAPFilter
Specifies an LDAP query string that is used to filter Active Directory objects.

```yaml
Type: String
Parameter Sets: (All)
Aliases: Filter

Required: False
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False
```

### -SearchBase
The LDAP source to search through, e.g.
"LDAP://OU=secret,DC=testlab,DC=local"
Useful for OU queries.

```yaml
Type: String
Parameter Sets: (All)
Aliases: ADSPath

Required: False
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False
```

### -Server
Specifies an Active Directory server (domain controller) to bind to.

```yaml
Type: String
Parameter Sets: (All)
Aliases: DomainController

Required: False
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False
```

### -SearchScope
Specifies the scope to search under, Base/OneLevel/Subtree (default of Subtree).

```yaml
Type: String
Parameter Sets: (All)
Aliases: 

Required: False
Position: Named
Default value: Subtree
Accept pipeline input: False
Accept wildcard characters: False
```

### -ResultPageSize
Specifies the PageSize to set for the LDAP searcher object.

```yaml
Type: Int32
Parameter Sets: (All)
Aliases: 

Required: False
Position: Named
Default value: 200
Accept pipeline input: False
Accept wildcard characters: False
```

### -ServerTimeLimit
Specifies the maximum amount of time the server spends searching.
Default of 120 seconds.

```yaml
Type: Int32
Parameter Sets: (All)
Aliases: 

Required: False
Position: Named
Default value: 0
Accept pipeline input: False
Accept wildcard characters: False
```

### -Tombstone
Switch.
Specifies that the searcher should also return deleted/tombstoned objects.

```yaml
Type: SwitchParameter
Parameter Sets: (All)
Aliases: 

Required: False
Position: Named
Default value: False
Accept pipeline input: False
Accept wildcard characters: False
```

### -OutputFormat
Either 'John' for John the Ripper style hash formatting, or 'Hashcat' for Hashcat format.
Defaults to 'John'.

```yaml
Type: String
Parameter Sets: (All)
Aliases: Format

Required: False
Position: Named
Default value: John
Accept pipeline input: False
Accept wildcard characters: False
```

### -Credential
A \[Management.Automation.PSCredential\] object of alternate credentials
for connection to the target domain.

```yaml
Type: PSCredential
Parameter Sets: (All)
Aliases: 

Required: False
Position: Named
Default value: [Management.Automation.PSCredential]::Empty
Accept pipeline input: False
Accept wildcard characters: False
```

## INPUTS

## OUTPUTS

### PowerView.SPNTicket

Outputs a custom object containing the SamAccountName, ServicePrincipalName, and encrypted ticket section.

## NOTES

## RELATED LINKS