CHANGELOG.md

Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[3.3.1]

Fixed

• Unicode characters in domain names
• Changed till dates within s4u /opsec requests to UTC to work on anything -UTC

[2.2.1]

Added

• /nofullpacsig switch to the silver command to exclude the inclusion of the new FullPacChecksum in service tickets (@0xe7)
• /extendedupndns switch to both golden and silver to include the extended version of the UpnDsn info buffer (0xe7)
• automated including proper UPN exists flag (1 or 0) within UpnDns info buffer based on LDAP results (0xe7)

Changed

• default UpnDns Flag from 0 (UPN_SET) to 1 (NO_UPN_SET) in golden and silver (0xe7)

Fixed

• typos for kerberos usage, changed from /preauth to /nopreauth (0xe7)
• parsing of logoncount and badpwdcount from LDAP with exception handling and set to 0 if exception happens (0xe7)

[2.2.0]

Added

• preauthscan command to scan for accounts that do not require Kerberos pre-authentication
• /preauth argument to the kerberoast command, to kerberoast with an account that does not require Kerberos pre-authentication
• /nopreauth flag to the asktgt command, to request a TGT without providing pre-authentication
• /service argument to the asktgt command, to request service tickets using an AS-REQ

[2.1.0]

Added

• logonsession command to list information about the current logon session

[2.0.3]

Added

• A /debug flag that outputs base64 encodings of the inputs to/outputs from the ASN.1 decoding/encoding functions
• /createnetonly parameter to S4U (@tyranid)
• /ticket option to createnetonly to import a ticket into the new process without requiring privileges (@tyranid)

Fixed

• Handling for KERB_ERRORs

[2.0.2]

Added

• Support for making requests through a KDC proxy using the /proxyurl: argument for asktgt, asktgs and s4u (@0xe7)

Changed

• KDC_ERR_SVC_UNAVAILABLE KERBEROS_ERROR, added KDC_ERR_MUST_USE_USER2USER and KDC_ERR_PATH_NOT_ACCEPTED (@0xe7)

[2.0.0] - 2021-08-04

Added

• Full PAC encoding/decoding (@CCob & @0xe7)
• golden and silver commands for ticket forging with /ldap switch to automate retrieving PAC information (@CCob & @0xe7)
• Networking.GetLdapConnection with LDAPS support using LdapConnection (for kerberoast/asreproast/golden/silver) (@0xe7)
• /getcredentials for asktgt (sends U2U request and automatically extracts NT hash) (@0xe7)
• /u2u for asktgs to send User-to-User requests (@0xe7)
• /targetuser for asktgs for sending S4U2self requests (@0xe7)
• /targetdomain for asktgs for forcing a specific domain for the request (@0xe7)
• /targetuser for changepw for changing the password of other users (upgraded EncKrbPrivPart to version -128) (@CCob)
• /servicekey, /krbkey and /asrepkey to describe for showing PAC and verifying checksums (@CCob & @0xe7)
• /serviceuser and /servicedomain to describe to create crackable "hashes" from AES encrypted tickets (@0xe7)
• /autoenterprise now works with the kerberoasting KerberosRequestorSecurityToken.GetRequest method (@0xe7)
• /ldaps to kerberoast and asreproast for querying LDAPS (@0xe7)
• /servicekey to asktgt and asktgs to decrypt the EncTicketPart (@CCob & @0xe7)
• /krbkey and /krbenctype to asktgs for verifying the KDCChecksum and TicketChecksum (@0xe7)
• /printargs switch to asktgs for printing the arguments required for building a similar PAC with golden or silver (@0xe7)
• Networking.GetGptTmplContent for parsing domain policy files using when forging tickets (and /ldap is used) (@0xe7)
• Helpers.GetADObjects for converting returned LDAP results into a common format (List<IDictionary<string, Object>>) (0xe7)

Fixed

• Complete rewrite of Networking.SendBytes (@CCob)
• Fixed PA_S4U_X509_USER pa data section for s4u /opsec (@0xe7)
• Added check after S4U2self to throw error if not received, avoids unhandled exception calling S4U2proxy without a ticket, on s4u command (@0xe7)
• Handled KDC_ERR_KEY_EXPIRED for brute command (@0xe7)

Changed

• Complete rewrite AuthorizationData sections (@0xe7)
• Added keyUsage argument to Crypto.KerberosChecksum to create PA_S4U_X509_USER checksum (@0xe7)
• Aliased brute to spray (@0xe7)
• Changed System.Net.NetworkInformation.IPGlobalProperties.GetIPGlobalProperties().DomainName to System.DirectoryServices.ActiveDirectory.Domain.GetCurrentDomain().Name for asktgt when automatically resolving the domain (works in more situations) (@0xe7)

[1.6.3] - 2021-03-26

Change

• Only final cert in chain used to verify when signing PKINIT requests, /verifycerts flag added for full verification

Fixed

• Replaced /certificate info for help and README

[1.6.2] - 2021-03-12

Added

• Adapted/integrated the PR from @RiccardoAncarani for /delay:MILLISECONDS and /jitter:% (1-100) flags for kerberoast
• Rubeus.yar yara rule from FireEye's red team tool countermeasure repo

Changed

• arguments can now use /arg=value form in addition to /arg:value

Fixed

• few kerberoasting fixes

[1.6.1] - 2020-12-09

Added

• /autoenterprise flag to automate retrying failed kerberoasting attempts (@0xe7)
• support for CVE-2020-17049 using the /bronzebit switch (@0xe7)
• initial support for basic silver tickets, without a PAC (@0xe7)

Fixed

• Cross domain enterprise principal kerberoasting (@0xe7)
• Kerberoasting using DC IP and supplying a TGT (@0xe7)

[1.6.0] - 2020-11-06

Added

• OPSEC
  • /opsec switch to make asktgt / asktgs / s4u build requests more realistic (@0xe7)
  • Randomized sequence numbers (@0xe7)
  • Added proper checksums (@0xe7)
  • Added enc-authorization-data to TGS-REQs (@0xe7)
  • Don't send AS-REQ when preauth is disabled (@0xe7)
  • Automation of requesting forwarded TGT when requesting a service ticket for unconstrained systems (@0xe7)
  • Added PA-DATA PA-PAC-OPTIONS to normal TGS-REQ when using /opsec (@0xe7)
• Start of smartcard/PKINIT support (@CCob)
  • /password support
• Support for /spns option when kerberoasting (@0xe7)
• Support for NT-Enterprise principals for service ticket requests on both the asktgs and kerberoast commands (@0xe7)
• Support for modifying S4U2Self tickets to be able to impersonate any user on the requesting machine (@0xe7)
• Cross-domain s4u / asktgs support (@0xe7)
• /runfor:X flag for the monitor command (@G0ldenGunSec)
• IPv6support (@royreinders)

Changed

• kerberoast /user:X now takes multiple comma separated values

Fixed

• Casing fix for AES key salts
• Kerberoasting when using TGT to authenticate but not supplying SPNs (@0xe7)
• GetDCName() issue on non-domain-joined systems
• Nonced randomized
• Fixes for issues from non domain machines (@VbScrub)
• Replaced checks for "NT Authority\System" string with SID comparison
• /rc4opsec service name fix
• LDAP paged searching (@cnotin)
• TGS-REQ AES formatting (@Ion Todd)

[1.5.0] - 2020-01-31

Added

• to any command that outputs base64 ticket blobs

  • the universal /nowrap argument prevents base64 ticket blobs from being display-wrapped

• the /consoleoutfile argument to redirect console output to a file, and the public MainString("command") function to work over PSRemoting (see end of README.md)

• brute action (from @Zer1t0)

  • Performs password bruteforcing attacks using raw AS-REQs

• to triage/klist/dump actions

  • More flexible targeting with /user//LUID//service//server/

• to the kerberoast action

  • /pwdsetafter, /pwdsetbefore, and /resultlimit arguments for better targeting (from @pkb1s)
  • /stats flag to list statistics of user accounts without actually roasting them
  • /ldapfilter argument for adding custom LDAP filters to the user search query
  • /simple argument for output file formatting but to the console

• to the asreproast action

  • /ldapfilter argument for adding custom LDAP filters to the user search query

• to the asktgt/asktgs/s4u actions

  • option to save .kirbi file to disk (from @audrummer15)

• to the s4u action

  • the cross-domain s4u support (from @0xe7)

• currentluid command to display the current logon sesion ID

Changed

• LSA.cs got a complete overhaul for reusability and flexibility (thanks for the help @leechristensen !)
• kerberoast action updated to exclude disabled accounts by default
• harvest mode's /interval argument is now in seconds, to match /monitor
• harvest / /monitor modes revamped
  • now no longer depend on searching the event logs for 4624 events
  • full set of current TGTs are extracted each monitor round

Fixed

• Some timestamp converting code in the ticket extraction section
• KERB_RETRIEVE_TKT_REQUEST fix for x32 systems (from @0xRCA)
• Fixed AES salt generation (from @monoxgas)
• Fixed accidental ticket request behavior when dumping from LsaCallAuthenticationPackage
• Fixed renew command invocation
• Fixed asreproast LDAP querying (broke at some point)

[1.4.2] - 2019-03-01

Added

• tgssub action
  • Substitutes in alternate sname (cifs) or SPN (ldap/computer.domain.com) into an existing service ticket

[1.4.1] - 2019-02-25

Added

• to asktgs action
  • /enctype:[RC4/AES128/AES256/DES] now forces that particular encryption type in the TGS-REQ

Changed

• asktgt action
  • Returned tickets now run through the describe command
• describe action
  • Kerberoast hash now only extracted from RC4_HMAC tickets

[1.4.0] - 2019-02-16

Added

• hash action
  • hashes a given password to rc4_hmac form, and if /user and /domain supplied, calculates aes128_cts_hmac_sha1, aes256_cts_hmac_sha1, and des_cbc_md5 forms

Changed

• kerberoast action
  • Fixed query that checks that rc4_hmac is flipped in msds-supportedencryption types, because "lol Microsoft"
• asktgt action
  • /aes128 and /aes now supported for /enctype when used with /password
• crypto
  • Replaced @qlemaire's PR of Kevin-Robertson' Get-KerberosAESKey hash code with @gentilkiwi's KERB_ECRYPT HashPassword approach
• README
  • added @elad_shamir into the references

[1.3.6] - 2019-02-14

Added

• kerberoast action
  • /rc4opsec option to use tgtdeleg and filter out AES-enabled accounts
  • /aes option to AES roast only AES-enabled accounts

Changed

• kerberoast action
  • Default user query searches for accounts with RC4 enabled
  • Default behavior when using the /tgtdeleg flag requests RC4 for ALL accounts (including AES)
  • Display "Supported ETypes" in enumerated output
• tgtdeleg action
  • Changed the default requested SPN from HOST/dc.domain.com to cifs/dc.domain.com

Fixed

• Kerberoast hash display for some option combinations

[1.3.5] - 2019-02-13

Changed

• kerberoast action
  • now has /ticket option to use an existing TGT for Kerberoasting
  • now has /usetgtdeleg option to use tgtdeleg option as the TGT for Kerberoasting
  • LDAP user search path and number of found users now output
• describe action
  • Kerberoast hash output now generated for service tickets

Fixed

• Kerberoast hash display but when /spn and /outfile were specified
• Kerberoast samaccountname now properly put into hash output

[1.3.4] - 2019-02-12

Changed

• kerberoast action now has /domain and /dc like asreproast action
• kerberoast and asreproast now properly work over domain trusts
• triage command now works for the current non-elevated user, outputting current LUID as well
• Current LUID output also added for non-elevated dump and klist commands
• Added Opsec section in README.md

[1.3.3] - 2019-02-11

Changed

• Landed @leechristensen's cleanup of the Monitor4624 code
• Restructed the README.md to match the help output, updated all examples, added table of contents

[1.3.3] - 2019-02-07

Added

• triage action
  • Quickly triages the users and present tickets on a machine

Changed

• dump and klist changed default LUID output to hex format

[1.3.2] - 2019-02-06

Added

• kerberoast and asreproast actions
  • Added /outfile:X to output hashes to a file, one hash per line

Changed

• asreproast changed asreproast's default behavior to match kerberoast
• Clustered the default output help menu around function (things were getting crowded)

[1.3.1] - 2019-02-06

Fixed

• Changed underlying LUID logic to handle UInt64s

[1.3.0] - 2019-02-05

Added

• klist action
  • lists current user's (or if elevated, all users') ticket information

Changed

• s4u landed @eladshamir's pull requests
  • RBCD support
  • support loading TGS from Kirbi to skip S4U2Self and perform S4U2Proxy only
  • perform S4U2Self only
  • print output for each stage
• asreproast landed @rvrsh3ll's pull request
  • added hashcat output format
• asktgt landed @qlemaire's pull request
  • now accepts a /password:X parameter
• monitor and harvest landed @djhohnstein's pull request
  • ticket extraction can now be saved to the registry with the "/registry:X" flag

Fixed

• dump display of service tickets with multiple slashes
• response buffer size in lib/Networking.cs increased for large ticket responses
• landed @BlueSkeye's fixes for PTT bug fix, TicketFlags display, and dead code removal in PA_DATA.Encode

[1.2.1] - 2018-10-09

Changed

• Merged @mark-s' PR that broke out Program.cs' commands into 'Command' classes for easier command addition.
• Commands that pass /dc:X are now passed through Networking.GetDCIP(), which resolves the DC name (if null) and returns the DC IP. Code refactored to use this centralized resolver.
• The /user:USER flag can now be /user:DOMAIN.COM\USER (auto-completes /domain:Y).
• The harvest command now returns the user ticket with the latest renew_till time on intial extraction.

[1.2.0] - 2018-10-03

Added

• changepw action
  • implements the AoratoPw user password reset from a TGT .kirbi
  • equivalent to Kekeo's misc::changepw function

[1.1.0] - 2018-09-31

Added

• asktgs action - takes /ptt:X, /dc:X, /ticket:X flags like asktgt, /service:X takes one or more SPN specifications
• tgtdeleg action - reimplements @gentilkiwi's Kekeo tgt::deleg function
  • uses the GSS-API Kerberos specification (RFC 4121) to request a "fake" delegation context that stores a KRB-CRED in the Authenticator Checksum. Combined with extracting the service session key from the local cache, this allows us to recover usable TGTs for the current user without elevation.
• Added CHANGELOG.md

Changed

• s4u action now accepts multiple alternate snames (/altservice:X,Y,...)
  • This executes the S4U2self/S4U2proxy process only once, and substitutes the multiple alternate service names into the final resulting service ticket structure(s) for as many snames as specified
• asreproast action
  • added eventual hashcat output format, use "/format:<john/hashcat>" (default of "john")

Fixed

• dump action now correctly extracts ServiceName/TargetName strings
• asreproast action - fixed salt demarcation line for "asreproast" hashes
• kerberoast action
  • Added reference for @machsosec for the KerberosRequestorSecurityToken.GetRequest Kerberoasting Method()
  • Corrected encType extraction for the hash output

[1.0.0] - 2018-08-24

• Initial release