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package cmd
import (
"context"
"github.com/FalconOpsLLC/goexec/internal/util"
"github.com/FalconOpsLLC/goexec/pkg/goexec"
"github.com/oiweiwei/go-msrpc/ssp/gssapi"
"github.com/spf13/cobra"
scmrexec "github.com/FalconOpsLLC/goexec/pkg/goexec/scmr"
)
func scmrCmdInit() {
cmdFlags[scmrCmd] = []*flagSet{
defaultAuthFlags,
defaultLogFlags,
defaultNetRpcFlags,
}
scmrCreateCmdInit()
scmrChangeCmdInit()
scmrDeleteCmdInit()
scmrCmd.PersistentFlags().AddFlagSet(defaultAuthFlags.Flags)
scmrCmd.PersistentFlags().AddFlagSet(defaultLogFlags.Flags)
scmrCmd.PersistentFlags().AddFlagSet(defaultNetRpcFlags.Flags)
scmrCmd.AddCommand(scmrCreateCmd, scmrChangeCmd, scmrDeleteCmd)
}
func scmrCreateCmdInit() {
scmrCreateFlags := newFlagSet("Service")
scmrCreateFlags.Flags.StringVarP(&scmrCreate.DisplayName, "display-name", "n", "", "Display name of service to create")
scmrCreateFlags.Flags.StringVarP(&scmrCreate.ServiceName, "service", "s", "", "Name of service to create")
scmrCreateFlags.Flags.BoolVar(&scmrCreate.NoDelete, "no-delete", false, "Don't delete service after execution")
scmrCreateFlags.Flags.BoolVar(&scmrCreate.NoStart, "no-start", false, "Don't start service")
scmrCreateExecFlags := newFlagSet("Execution")
// TODO: SCMR output
//registerExecutionOutputFlags(scmrCreateExecFlags.Flags)
scmrCreateExecFlags.Flags.StringVarP(&exec.Input.ExecutablePath, "executable-path", "f", "", "Full path to a remote Windows executable")
scmrCreateExecFlags.Flags.StringVarP(&exec.Input.Arguments, "args", "a", "", "Arguments to pass to the executable")
scmrCreateCmd.Flags().AddFlagSet(scmrCreateFlags.Flags)
scmrCreateCmd.Flags().AddFlagSet(scmrCreateExecFlags.Flags)
cmdFlags[scmrCreateCmd] = []*flagSet{
scmrCreateExecFlags,
scmrCreateFlags,
defaultAuthFlags,
defaultLogFlags,
defaultNetRpcFlags,
}
// Constraints
{
//scmrCreateCmd.MarkFlagsMutuallyExclusive("no-delete", "no-start")
if err := scmrCreateCmd.MarkFlagRequired("executable-path"); err != nil {
panic(err)
}
}
}
func scmrChangeCmdInit() {
scmrChangeFlags := newFlagSet("Service Control")
scmrChangeFlags.Flags.StringVarP(&scmrChange.ServiceName, "service-name", "s", "", "Name of service to modify")
scmrChangeFlags.Flags.BoolVar(&scmrChange.NoStart, "no-start", false, "Don't start service")
scmrChangeExecFlags := newFlagSet("Execution")
scmrChangeExecFlags.Flags.StringVarP(&exec.Input.ExecutablePath, "executable-path", "f", "", "Full path to remote Windows executable")
scmrChangeExecFlags.Flags.StringVarP(&exec.Input.Arguments, "args", "a", "", "Arguments to pass to executable")
// TODO: SCMR output
//registerExecutionOutputFlags(scmrChangeExecFlags.Flags)
//registerStageFlags(scmrChangeExecFlags.Flags)
cmdFlags[scmrChangeCmd] = []*flagSet{
scmrChangeFlags,
scmrChangeExecFlags,
defaultAuthFlags,
defaultLogFlags,
defaultNetRpcFlags,
}
scmrChangeCmd.Flags().AddFlagSet(scmrChangeFlags.Flags)
scmrChangeCmd.Flags().AddFlagSet(scmrChangeExecFlags.Flags)
// Constraints
{
if err := scmrChangeCmd.MarkFlagRequired("service-name"); err != nil {
panic(err)
}
if err := scmrCreateCmd.MarkFlagRequired("executable-path"); err != nil {
panic(err)
}
}
}
func scmrDeleteCmdInit() {
scmrDeleteFlags := newFlagSet("Service Control")
scmrDeleteFlags.Flags.StringVarP(&scmrDelete.ServiceName, "service-name", "s", scmrDelete.ServiceName, "Name of service to delete")
cmdFlags[scmrDeleteCmd] = []*flagSet{
scmrDeleteFlags,
defaultAuthFlags,
defaultLogFlags,
defaultNetRpcFlags,
}
scmrDeleteCmd.Flags().AddFlagSet(scmrDeleteFlags.Flags)
if err := scmrDeleteCmd.MarkFlagRequired("service-name"); err != nil {
panic(err)
}
}
var (
scmrCreate = scmrexec.ScmrCreate{}
scmrChange = scmrexec.ScmrChange{}
scmrDelete = scmrexec.ScmrDelete{}
scmrCmd = &cobra.Command{
Use: "scmr",
Short: "Execute with Service Control Manager Remote (MS-SCMR)",
GroupID: "module",
Args: cobra.NoArgs,
}
scmrCreateCmd = &cobra.Command{
Use: "create [target]",
Short: "Spawn a remote process by creating & running a Windows service",
Long: `Description:
The create method calls RCreateServiceW to create a new Windows service on the
remote target with the provided executable & arguments as the lpBinaryPathName
References:
- https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-scmr/6a8ca926-9477-4dd4-b766-692fab07227e
`,
Args: args(
argsRpcClient("cifs"),
argsSmbClient(),
),
Run: func(cmd *cobra.Command, args []string) {
scmrCreate.Client = &rpcClient
scmrCreate.IO = exec
log = log.With().
Str("module", "scmr").
Str("method", "create").
Logger()
// Warnings
{
if scmrCreate.ServiceName == "" {
log.Warn().Msg("No service name was provided. Using a random string")
scmrCreate.ServiceName = util.RandomString()
}
if scmrCreate.NoDelete {
log.Warn().Msg("Service will not be deleted after execution")
}
if scmrCreate.DisplayName == "" {
log.Debug().Msg("No display name specified, using service name as display name")
scmrCreate.DisplayName = scmrCreate.ServiceName
}
}
ctx := log.WithContext(gssapi.NewSecurityContext(context.Background()))
if err := goexec.ExecuteCleanMethod(ctx, &scmrCreate, &exec); err != nil {
log.Fatal().Err(err).Msg("Operation failed")
}
},
}
scmrChangeCmd = &cobra.Command{
Use: "change [target]",
Short: "Change an existing Windows service to spawn an arbitrary process",
Args: argsRpcClient("cifs"),
Run: func(cmd *cobra.Command, args []string) {
scmrChange.Client = &rpcClient
scmrChange.IO = exec
ctx := log.With().
Str("module", "scmr").
Str("method", "change").
Logger().WithContext(gssapi.NewSecurityContext(context.Background()))
if err := goexec.ExecuteCleanMethod(ctx, &scmrChange, &exec); err != nil {
log.Fatal().Err(err).Msg("Operation failed")
}
},
}
scmrDeleteCmd = &cobra.Command{
Use: "delete [target]",
Short: "Delete an existing Windows service",
Long: `TODO`,
Args: argsRpcClient("cifs"),
Run: func(cmd *cobra.Command, args []string) {
scmrDelete.Client = &rpcClient
ctx := log.With().
Str("module", "scmr").
Str("method", "delete").
Logger().WithContext(gssapi.NewSecurityContext(context.Background()))
if err := goexec.ExecuteCleanAuxiliaryMethod(ctx, &scmrDelete); err != nil {
log.Fatal().Err(err).Msg("Operation failed")
}
},
}
)
|