def hSamrChangePasswordUser(self):
try:
serverHandle = samr.hSamrConnect(self.dce, self.address + '\x00')['ServerHandle']
domainSID = samr.hSamrLookupDomainInSamServer(self.dce, serverHandle, self.domain)['DomainId']
domainHandle = samr.hSamrOpenDomain(self.dce, serverHandle, domainId=domainSID)['DomainHandle']
userRID = samr.hSamrLookupNamesInDomain(self.dce, domainHandle, (self.username,))['RelativeIds']['Element'][0]
userHandle = samr.hSamrOpenUser(self.dce, domainHandle, userId=userRID)['UserHandle']
except Exception as e:
if 'STATUS_NO_SUCH_DOMAIN' in str(e):
logging.critical('Wrong realm. Try to set the domain name for the target user account explicitly in format DOMAIN/username.')
return
else:
raise e
try:
resp = samr.hSamrChangePasswordUser(self.dce, userHandle, self.oldPassword, newPassword='', oldPwdHashNT=self.oldPwdHashNT,
newPwdHashLM=self.newPwdHashLM, newPwdHashNT=self.newPwdHashNT)
except Exception as e:
if 'STATUS_PASSWORD_RESTRICTION' in str(e):
logging.critical('Some password update rule has been violated. For example, the password history policy may prohibit the use of recent passwords.')
else:
raise e
else:
if resp['ErrorCode'] == 0:
logging.info('NTLM hashes were changed successfully.')
else:
logging.error('Non-zero return code, something weird happened.')
resp.dump()
def getUserSID(self):
stringBinding = r'ncacn_np:%s[\pipe\samr]' % self.__kdcHost
rpctransport = transport.DCERPCTransportFactory(stringBinding)
if hasattr(rpctransport, 'set_credentials'):
rpctransport.set_credentials(self.__username,self.__password, self.__domain, self.__lmhash, self.__nthash)
dce = rpctransport.get_dce_rpc()
dce.connect()
dce.bind(samr.MSRPC_UUID_SAMR)
resp = samr.hSamrConnect(dce)
serverHandle = resp['ServerHandle']
resp = samr.hSamrLookupDomainInSamServer(dce, serverHandle, self.__domain)
domainId = resp['DomainId']
resp = samr.hSamrOpenDomain(dce, serverHandle, domainId = domainId)
domainHandle = resp['DomainHandle']
resp = samr.hSamrLookupNamesInDomain(dce, domainHandle, (self.__username,))
# Let's pick the relative ID
rid = resp['RelativeIds']['Element'][0]['Data']
logging.info("User SID: %s-%s"% (domainId.formatCanonical(), rid))
return domainId, rid
def hSamrSetInformationUser(self):
try:
serverHandle = samr.hSamrConnect(self.dce, self.address + '\x00')['ServerHandle']
domainSID = samr.hSamrLookupDomainInSamServer(self.dce, serverHandle, self.domain)['DomainId']
domainHandle = samr.hSamrOpenDomain(self.dce, serverHandle, domainId=domainSID)['DomainHandle']
userRID = samr.hSamrLookupNamesInDomain(self.dce, domainHandle, (self.username,))['RelativeIds']['Element'][0]
userHandle = samr.hSamrOpenUser(self.dce, domainHandle, userId=userRID)['UserHandle']
except Exception as e:
if 'STATUS_NO_SUCH_DOMAIN' in str(e):
logging.critical('Wrong realm. Try to set the domain name for the target user account explicitly in format DOMAIN/username.')
return
else:
raise e
try:
resp = samr.hSamrSetNTInternal1(self.dce, userHandle, self.newPassword, self.newPwdHashNT)
except Exception as e:
raise e
else:
if resp['ErrorCode'] == 0:
logging.info('Credentials were injected into SAM successfully.')
else:
logging.error('Non-zero return code, something weird happened.')
resp.dump()
def doSAMRAdd(self, rpctransport):
dce = rpctransport.get_dce_rpc()
servHandle = None
domainHandle = None
userHandle = None
try:
dce.connect()
dce.bind(samr.MSRPC_UUID_SAMR)
samrConnectResponse = samr.hSamrConnect5(
dce, '\\\\%s\x00' % self.__target,
samr.SAM_SERVER_ENUMERATE_DOMAINS
| samr.SAM_SERVER_LOOKUP_DOMAIN)
servHandle = samrConnectResponse['ServerHandle']
samrEnumResponse = samr.hSamrEnumerateDomainsInSamServer(
dce, servHandle)
domains = samrEnumResponse['Buffer']['Buffer']
domainsWithoutBuiltin = list(
filter(lambda x: x['Name'].lower() != 'builtin', domains))
if len(domainsWithoutBuiltin) > 1:
domain = list(
filter(lambda x: x['Name'].lower() == self.__domainNetbios,
domains))
if len(domain) != 1:
logging.critical(
"This server provides multiple domains and '%s' isn't one of them.",
self.__domainNetbios)
logging.critical("Available domain(s):")
for domain in domains:
logging.error(" * %s" % domain['Name'])
logging.critical(
"Consider using -domain-netbios argument to specify which one you meant."
)
raise Exception()
else:
selectedDomain = domain[0]['Name']
else:
selectedDomain = domainsWithoutBuiltin[0]['Name']
samrLookupDomainResponse = samr.hSamrLookupDomainInSamServer(
dce, servHandle, selectedDomain)
domainSID = samrLookupDomainResponse['DomainId']
if logging.getLogger().level == logging.DEBUG:
logging.info("Opening domain %s..." % selectedDomain)
samrOpenDomainResponse = samr.hSamrOpenDomain(
dce, servHandle, samr.DOMAIN_LOOKUP | samr.DOMAIN_CREATE_USER,
domainSID)
domainHandle = samrOpenDomainResponse['DomainHandle']
if self.__noAdd or self.__delete:
try:
checkForUser = samr.hSamrLookupNamesInDomain(
dce, domainHandle, [self.__computerName])
except samr.DCERPCSessionError as e:
if e.error_code == 0xc0000073:
raise Exception("Account %s not found in domain %s!" %
(self.__computerName, selectedDomain))
else:
raise
userRID = checkForUser['RelativeIds']['Element'][0]
if self.__delete:
access = samr.DELETE
message = "delete"
else:
access = samr.USER_FORCE_PASSWORD_CHANGE
message = "set password for"
try:
openUser = samr.hSamrOpenUser(dce, domainHandle, access,
userRID)
userHandle = openUser['UserHandle']
except samr.DCERPCSessionError as e:
if e.error_code == 0xc0000022:
raise Exception(
"User %s doesn't have right to %s %s!" %
(self.__username, message, self.__computerName))
else:
raise
else:
if self.__computerName is not None:
try:
checkForUser = samr.hSamrLookupNamesInDomain(
dce, domainHandle, [self.__computerName])
raise Exception(
"Account %s already exists! If you just want to set a password, use -no-add."
% self.__computerName)
except samr.DCERPCSessionError as e:
if e.error_code != 0xc0000073:
raise
else:
foundUnused = False
while not foundUnused:
self.__computerName = self.generateComputerName()
try:
checkForUser = samr.hSamrLookupNamesInDomain(
dce, domainHandle, [self.__computerName])
except samr.DCERPCSessionError as e:
if e.error_code == 0xc0000073:
foundUnused = True
else:
raise
try:
createUser = samr.hSamrCreateUser2InDomain(
dce,
domainHandle,
self.__computerName,
samr.USER_WORKSTATION_TRUST_ACCOUNT,
samr.USER_FORCE_PASSWORD_CHANGE,
)
except samr.DCERPCSessionError as e:
if e.error_code == 0xc0000022:
raise Exception(
"User %s doesn't have right to create a machine account!"
% self.__username)
elif e.error_code == 0xc00002e7:
raise Exception("User %s machine quota exceeded!" %
self.__username)
else:
raise
userHandle = createUser['UserHandle']
if self.__delete:
samr.hSamrDeleteUser(dce, userHandle)
logging.info("Successfully deleted %s." % self.__computerName)
userHandle = None
else:
samr.hSamrSetPasswordInternal4New(dce, userHandle,
self.__computerPassword)
if self.__noAdd:
logging.info(
"Successfully set password of %s to %s." %
(self.__computerName, self.__computerPassword))
else:
logging.info(
"Successfully added machine account %s with password %s."
% (self.__computerName, self.__computerPassword))
except Exception as e:
if logging.getLogger().level == logging.DEBUG:
import traceback
traceback.print_exc()
logging.critical(str(e))
finally:
if userHandle is not None:
samr.hSamrCloseHandle(dce, userHandle)
if domainHandle is not None:
samr.hSamrCloseHandle(dce, domainHandle)
if servHandle is not None:
samr.hSamrCloseHandle(dce, servHandle)
dce.disconnect()
def get_netlocalgroup(self,
queried_groupname=str(),
list_groups=False,
recurse=False):
from impacket.nt_errors import STATUS_MORE_ENTRIES
results = list()
resp = samr.hSamrConnect(self._rpc_connection)
server_handle = resp['ServerHandle']
# We first list every domain in the SAM
resp = samr.hSamrEnumerateDomainsInSamServer(self._rpc_connection,
server_handle)
domains = resp['Buffer']['Buffer']
domain_handles = dict()
for local_domain in domains:
resp = samr.hSamrLookupDomainInSamServer(self._rpc_connection,
server_handle,
local_domain['Name'])
domain_sid = 'S-1-5-{}'.format('-'.join(
str(x) for x in resp['DomainId']['SubAuthority']))
resp = samr.hSamrOpenDomain(self._rpc_connection,
serverHandle=server_handle,
domainId=resp['DomainId'])
domain_handles[domain_sid] = resp['DomainHandle']
# If we list the groups
if list_groups:
# We browse every domain
for domain_sid, domain_handle in domain_handles.items():
# We enumerate local groups in every domain
enumeration_context = 0
groups = list()
while True:
resp = samr.hSamrEnumerateAliasesInDomain(
self._rpc_connection,
domain_handle,
enumerationContext=enumeration_context)
groups += resp['Buffer']['Buffer']
enumeration_context = resp['EnumerationContext']
if resp['ErrorCode'] != STATUS_MORE_ENTRIES:
break
# We get information on every group
for group in groups:
resp = samr.hSamrRidToSid(self._rpc_connection,
domain_handle,
rid=group['RelativeId'])
sid = 'S-1-5-{}'.format('-'.join(
str(x) for x in resp['Sid']['SubAuthority']))
resp = samr.hSamrOpenAlias(self._rpc_connection,
domain_handle,
aliasId=group['RelativeId'])
alias_handle = resp['AliasHandle']
resp = samr.hSamrQueryInformationAlias(
self._rpc_connection, alias_handle)
final_group = rpcobj.Group(resp['Buffer']['General'])
final_group.add_attributes({
'server': self._target_computer,
'sid': sid
})
results.append(final_group)
samr.hSamrCloseHandle(self._rpc_connection, alias_handle)
samr.hSamrCloseHandle(self._rpc_connection, domain_handle)
# If we query a group
else:
queried_group_rid = None
queried_group_domain_handle = None
# If the user is looking for a particular group
if queried_groupname:
# We look for it in every domain
for _, domain_handle in domain_handles.items():
try:
resp = samr.hSamrLookupNamesInDomain(
self._rpc_connection, domain_handle,
[queried_groupname])
queried_group_rid = resp['RelativeIds']['Element'][0][
'Data']
queried_group_domain_handle = domain_handle
break
except (DCERPCSessionError, KeyError, IndexError):
continue
else:
raise ValueError(
'The group \'{}\' was not found on the target server'.
format(queried_groupname))
# Otherwise, we look for the local Administrators group
else:
queried_group_rid = 544
resp = samr.hSamrLookupDomainInSamServer(
self._rpc_connection, server_handle, 'BUILTIN')
resp = samr.hSamrOpenDomain(self._rpc_connection,
serverHandle=server_handle,
domainId=resp['DomainId'])
queried_group_domain_handle = resp['DomainHandle']
# We get a handle on the group, and list its members
try:
group = samr.hSamrOpenAlias(self._rpc_connection,
queried_group_domain_handle,
aliasId=queried_group_rid)
resp = samr.hSamrGetMembersInAlias(self._rpc_connection,
group['AliasHandle'])
except DCERPCSessionError:
raise ValueError(
'The name \'{}\' is not a valid group on the target server'
.format(queried_groupname))
# For every user, we look for information in every local domain
for member in resp['Members']['Sids']:
attributes = dict()
member_rid = member['SidPointer']['SubAuthority'][-1]
member_sid = 'S-1-5-{}'.format('-'.join(
str(x) for x in member['SidPointer']['SubAuthority']))
attributes['server'] = self._target_computer
attributes['sid'] = member_sid
for domain_sid, domain_handle in domain_handles.items():
# We've found a local member
if member_sid.startswith(domain_sid):
attributes['isdomain'] = False
resp = samr.hSamrQueryInformationDomain(
self._rpc_connection, domain_handle)
member_domain = resp['Buffer']['General2']['I1'][
'DomainName']
try:
resp = samr.hSamrOpenUser(self._rpc_connection,
domain_handle,
userId=member_rid)
member_handle = resp['UserHandle']
attributes['isgroup'] = False
resp = samr.hSamrQueryInformationUser(
self._rpc_connection, member_handle)
attributes['name'] = '{}/{}'.format(
member_domain,
resp['Buffer']['General']['UserName'])
except DCERPCSessionError:
resp = samr.hSamrOpenAlias(self._rpc_connection,
domain_handle,
aliasId=member_rid)
member_handle = resp['AliasHandle']
attributes['isgroup'] = True
resp = samr.hSamrQueryInformationAlias(
self._rpc_connection, member_handle)
attributes['name'] = '{}/{}'.format(
member_domain,
resp['Buffer']['General']['Name'])
attributes['lastlogin'] = str()
break
# It's a domain member
else:
attributes['isdomain'] = True
if self._ldap_connection is not None:
try:
ad_object = self.get_adobject(
queried_sid=member_sid)[0]
member_dn = ad_object.distinguishedname
member_domain = member_dn[member_dn.
index('DC='):].replace(
'DC=', '').replace(
',', '.')
try:
attributes['name'] = '{}/{}'.format(
member_domain, ad_object.samaccountname)
except AttributeError:
# Here, the member is a foreign security principal
# TODO: resolve it properly
attributes['name'] = '{}/{}'.format(
member_domain, ad_object.objectsid)
attributes['isgroup'] = ad_object.isgroup
try:
attributes['lastlogin'] = ad_object.lastlogon
except AttributeError:
attributes['lastlogin'] = str()
except IndexError:
# We did not manage to resolve this SID against the DC
attributes['isdomain'] = False
attributes['isgroup'] = False
attributes['name'] = attributes['sid']
attributes['lastlogin'] = str()
else:
attributes['isgroup'] = False
attributes['name'] = str()
attributes['lastlogin'] = str()
results.append(rpcobj.RPCObject(attributes))
# If we recurse and the member is a domain group, we query every member
# TODO: implement check on self._domain_controller here?
if self._ldap_connection and self._domain_controller and recurse and attributes[
'isdomain'] and attributes['isgroup']:
for domain_member in self.get_netgroupmember(
full_data=True,
recurse=True,
queried_sid=attributes['sid']):
domain_member_attributes = dict()
domain_member_attributes['isdomain'] = True
member_dn = domain_member.distinguishedname
member_domain = member_dn[member_dn.
index('DC='):].replace(
'DC=',
'').replace(',', '.')
domain_member_attributes['name'] = '{}/{}'.format(
member_domain, domain_member.samaccountname)
domain_member_attributes[
'isgroup'] = domain_member.isgroup
domain_member_attributes['isdomain'] = True
domain_member_attributes['server'] = attributes['name']
domain_member_attributes[
'sid'] = domain_member.objectsid
try:
domain_member_attributes[
'lastlogin'] = ad_object.lastlogon
except AttributeError:
domain_member_attributes['lastlogin'] = str()
results.append(
rpcobj.RPCObject(domain_member_attributes))
return results
def get_netlocalgroup(self, queried_groupname=str(), list_groups=False,
recurse=False):
from impacket.nt_errors import STATUS_MORE_ENTRIES
results = list()
resp = samr.hSamrConnect(self._rpc_connection)
server_handle = resp['ServerHandle']
# We first list every domain in the SAM
resp = samr.hSamrEnumerateDomainsInSamServer(self._rpc_connection, server_handle)
domains = resp['Buffer']['Buffer']
domain_handles = dict()
for local_domain in domains:
resp = samr.hSamrLookupDomainInSamServer(self._rpc_connection, server_handle, local_domain['Name'])
domain_sid = 'S-1-5-{}'.format('-'.join(str(x) for x in resp['DomainId']['SubAuthority']))
resp = samr.hSamrOpenDomain(self._rpc_connection, serverHandle=server_handle, domainId=resp['DomainId'])
domain_handles[domain_sid] = resp['DomainHandle']
# If we list the groups
if list_groups:
# We browse every domain
for domain_sid, domain_handle in domain_handles.items():
# We enumerate local groups in every domain
enumeration_context = 0
groups = list()
while True:
resp = samr.hSamrEnumerateAliasesInDomain(self._rpc_connection, domain_handle,
enumerationContext=enumeration_context)
groups += resp['Buffer']['Buffer']
enumeration_context = resp['EnumerationContext']
if resp['ErrorCode'] != STATUS_MORE_ENTRIES:
break
# We get information on every group
for group in groups:
resp = samr.hSamrRidToSid(self._rpc_connection, domain_handle, rid=group['RelativeId'])
sid = 'S-1-5-{}'.format('-'.join(str(x) for x in resp['Sid']['SubAuthority']))
resp = samr.hSamrOpenAlias(self._rpc_connection, domain_handle, aliasId=group['RelativeId'])
alias_handle = resp['AliasHandle']
resp = samr.hSamrQueryInformationAlias(self._rpc_connection, alias_handle)
final_group = rpcobj.Group(resp['Buffer']['General'])
final_group.add_attributes({'server': self._target_computer, 'sid': sid})
results.append(final_group)
samr.hSamrCloseHandle(self._rpc_connection, alias_handle)
samr.hSamrCloseHandle(self._rpc_connection, domain_handle)
# If we query a group
else:
queried_group_rid = None
queried_group_domain_handle = None
# If the user is looking for a particular group
if queried_groupname:
# We look for it in every domain
for _, domain_handle in domain_handles.items():
try:
resp = samr.hSamrLookupNamesInDomain(self._rpc_connection, domain_handle, [queried_groupname])
queried_group_rid = resp['RelativeIds']['Element'][0]['Data']
queried_group_domain_handle = domain_handle
break
except (DCERPCSessionError, KeyError, IndexError):
continue
else:
raise ValueError('The group \'{}\' was not found on the target server'.format(queried_groupname))
# Otherwise, we look for the local Administrators group
else:
queried_group_rid = 544
resp = samr.hSamrLookupDomainInSamServer(self._rpc_connection, server_handle, 'BUILTIN')
resp = samr.hSamrOpenDomain(self._rpc_connection, serverHandle=server_handle, domainId=resp['DomainId'])
queried_group_domain_handle = resp['DomainHandle']
# We get a handle on the group, and list its members
try:
group = samr.hSamrOpenAlias(self._rpc_connection, queried_group_domain_handle, aliasId=queried_group_rid)
resp = samr.hSamrGetMembersInAlias(self._rpc_connection, group['AliasHandle'])
except DCERPCSessionError:
raise ValueError('The name \'{}\' is not a valid group on the target server'.format(queried_groupname))
# For every user, we look for information in every local domain
for member in resp['Members']['Sids']:
attributes = dict()
member_rid = member['SidPointer']['SubAuthority'][-1]
member_sid = 'S-1-5-{}'.format('-'.join(str(x) for x in member['SidPointer']['SubAuthority']))
attributes['server'] = self._target_computer
attributes['sid'] = member_sid
for domain_sid, domain_handle in domain_handles.items():
# We've found a local member
if member_sid.startswith(domain_sid):
attributes['isdomain'] = False
resp = samr.hSamrQueryInformationDomain(self._rpc_connection, domain_handle)
member_domain = resp['Buffer']['General2']['I1']['DomainName']
try:
resp = samr.hSamrOpenUser(self._rpc_connection, domain_handle, userId=member_rid)
member_handle = resp['UserHandle']
attributes['isgroup'] = False
resp = samr.hSamrQueryInformationUser(self._rpc_connection, member_handle)
attributes['name'] = '{}/{}'.format(member_domain, resp['Buffer']['General']['UserName'])
except DCERPCSessionError:
resp = samr.hSamrOpenAlias(self._rpc_connection, domain_handle, aliasId=member_rid)
member_handle = resp['AliasHandle']
attributes['isgroup'] = True
resp = samr.hSamrQueryInformationAlias(self._rpc_connection, member_handle)
attributes['name'] = '{}/{}'.format(member_domain, resp['Buffer']['General']['Name'])
attributes['lastlogin'] = str()
break
# It's a domain member
else:
attributes['isdomain'] = True
if self._ldap_connection is not None:
try:
ad_object = self.get_adobject(queried_sid=member_sid)[0]
member_dn = ad_object.distinguishedname
member_domain = member_dn[member_dn.index('DC='):].replace('DC=', '').replace(',', '.')
try:
attributes['name'] = '{}/{}'.format(member_domain, ad_object.samaccountname)
except AttributeError:
# Here, the member is a foreign security principal
# TODO: resolve it properly
attributes['name'] = '{}/{}'.format(member_domain, ad_object.objectsid)
attributes['isgroup'] = ad_object.isgroup
try:
attributes['lastlogin'] = ad_object.lastlogon
except AttributeError:
attributes['lastlogin'] = str()
except IndexError:
# We did not manage to resolve this SID against the DC
attributes['isdomain'] = False
attributes['isgroup'] = False
attributes['name'] = attributes['sid']
attributes['lastlogin'] = str()
else:
attributes['isgroup'] = False
attributes['name'] = str()
attributes['lastlogin'] = str()
results.append(rpcobj.RPCObject(attributes))
# If we recurse and the member is a domain group, we query every member
# TODO: implement check on self._domain_controller here?
if self._ldap_connection and self._domain_controller and recurse and attributes['isdomain'] and attributes['isgroup']:
for domain_member in self.get_netgroupmember(full_data=True, recurse=True, queried_sid=attributes['sid']):
domain_member_attributes = dict()
domain_member_attributes['isdomain'] = True
member_dn = domain_member.distinguishedname
member_domain = member_dn[member_dn.index('DC='):].replace('DC=', '').replace(',', '.')
domain_member_attributes['name'] = '{}/{}'.format(member_domain, domain_member.samaccountname)
domain_member_attributes['isgroup'] = domain_member.isgroup
domain_member_attributes['isdomain'] = True
domain_member_attributes['server'] = attributes['name']
domain_member_attributes['sid'] = domain_member.objectsid
try:
domain_member_attributes['lastlogin'] = ad_object.lastlogon
except AttributeError:
domain_member_attributes['lastlogin'] = str()
results.append(rpcobj.RPCObject(domain_member_attributes))
return results
