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package cmd
import (
"context"
"github.com/FalconOpsLLC/goexec/pkg/goexec"
dcomexec "github.com/FalconOpsLLC/goexec/pkg/goexec/dcom"
"github.com/oiweiwei/go-msrpc/ssp/gssapi"
"github.com/spf13/cobra"
)
func dcomCmdInit() {
registerRpcFlags(dcomCmd)
dcomMmcCmdInit()
dcomCmd.AddCommand(dcomMmcCmd)
}
func dcomMmcCmdInit() {
dcomMmcCmd.Flags().StringVarP(&dcomMmc.WorkingDirectory, "directory", "d", `C:\`, "Working directory")
dcomMmcCmd.Flags().StringVar(&dcomMmc.WindowState, "window", "Minimized", "Window state")
registerProcessExecutionArgs(dcomMmcCmd)
registerExecutionOutputArgs(dcomMmcCmd)
}
var (
dcomMmc dcomexec.DcomMmc
dcomCmd = &cobra.Command{
Use: "dcom",
Short: "Execute with Distributed Component Object Model (MS-DCOM)",
GroupID: "module",
Args: cobra.NoArgs,
}
dcomMmcCmd = &cobra.Command{
Use: "mmc [target]",
Short: "Execute with the DCOM MMC20.Application object",
Long: `Description:
The mmc method uses the exposed MMC20.Application object to call Document.ActiveView.ShellExec,
and ultimately spawn a process on the remote host.
References:
- https://www.scorpiones.io/articles/lateral-movement-using-dcom-objects
- https://enigma0x3.net/2017/01/05/lateral-movement-using-the-mmc20-application-com-object/
- https://github.com/fortra/impacket/blob/master/examples/dcomexec.py
- https://learn.microsoft.com/en-us/previous-versions/windows/desktop/mmc/view-executeshellcommand
`,
Args: args(
argsRpcClient("host"),
argsOutput("smb"),
),
Run: func(cmd *cobra.Command, args []string) {
dcomMmc.Dcom.Client = &rpcClient
dcomMmc.IO = exec
ctx := log.WithContext(gssapi.NewSecurityContext(context.TODO()))
if err := goexec.ExecuteCleanMethod(ctx, &dcomMmc, &exec); err != nil {
log.Fatal().Err(err).Msg("Operation failed")
}
},
}
)
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