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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() {
cmdFlags[dcomCmd] = []*flagSet{
defaultAuthFlags,
defaultLogFlags,
defaultNetRpcFlags,
}
dcomMmcCmdInit()
dcomShellWindowsCmdInit()
dcomCmd.PersistentFlags().AddFlagSet(defaultAuthFlags.Flags)
dcomCmd.PersistentFlags().AddFlagSet(defaultLogFlags.Flags)
dcomCmd.PersistentFlags().AddFlagSet(defaultNetRpcFlags.Flags)
dcomCmd.AddCommand(dcomMmcCmd, dcomShellWindowsCmd)
}
func dcomMmcCmdInit() {
dcomMmcExecFlags := newFlagSet("Execution")
registerExecutionFlags(dcomMmcExecFlags.Flags)
registerExecutionOutputFlags(dcomMmcExecFlags.Flags)
dcomMmcExecFlags.Flags.StringVar(&dcomMmc.WorkingDirectory, "directory", `C:\`, "Working `directory`")
dcomMmcExecFlags.Flags.StringVar(&dcomMmc.WindowState, "window", "Minimized", "Window state")
cmdFlags[dcomMmcCmd] = []*flagSet{
dcomMmcExecFlags,
defaultAuthFlags,
defaultLogFlags,
defaultNetRpcFlags,
}
dcomMmcCmd.Flags().AddFlagSet(dcomMmcExecFlags.Flags)
// Constraints
{
dcomMmcCmd.MarkFlagsOneRequired("command", "exec")
}
}
func dcomShellWindowsCmdInit() {
dcomShellWindowsExecFlags := newFlagSet("Execution")
registerExecutionFlags(dcomShellWindowsExecFlags.Flags)
registerExecutionOutputFlags(dcomShellWindowsExecFlags.Flags)
dcomShellWindowsExecFlags.Flags.StringVar(&dcomShellWindows.WorkingDirectory, "directory", `C:\`, "Working `directory`")
dcomShellWindowsExecFlags.Flags.StringVar(&dcomShellWindows.WindowState, "app-window", "0", "Application window state `ID`")
cmdFlags[dcomShellWindowsCmd] = []*flagSet{
dcomShellWindowsExecFlags,
defaultAuthFlags,
defaultLogFlags,
defaultNetRpcFlags,
}
dcomShellWindowsCmd.Flags().AddFlagSet(dcomShellWindowsExecFlags.Flags)
// Constraints
{
dcomShellWindowsCmd.MarkFlagsOneRequired("command", "exec")
}
}
var (
dcomMmc dcomexec.DcomMmc
dcomShellWindows dcomexec.DcomShellWindows
dcomCmd = &cobra.Command{
Use: "dcom",
Short: "Execute with Distributed Component Object Model (MS-DCOM)",
Long: `Description:
The dcom module uses exposed Distributed Component Object Model (DCOM) objects to spawn processes.`,
GroupID: "module",
Args: cobra.NoArgs,
}
dcomMmcCmd = &cobra.Command{
Use: "mmc [target]",
Short: "Execute with the MMC20.Application DCOM 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.`,
Args: args(
argsRpcClient("host"),
argsOutput("smb"),
argsAcceptValues("window", &dcomMmc.WindowState, "Minimized", "Maximized", "Restored"),
),
Run: func(cmd *cobra.Command, args []string) {
dcomMmc.Client = &rpcClient
dcomMmc.IO = exec
dcomMmc.ClassID = dcomexec.Mmc20Uuid
ctx := log.With().
Str("module", dcomexec.ModuleName).
Str("method", dcomexec.MethodMmc).
Logger().WithContext(gssapi.NewSecurityContext(context.Background()))
if err := goexec.ExecuteCleanMethod(ctx, &dcomMmc, &exec); err != nil {
log.Fatal().Err(err).Msg("Operation failed")
}
},
}
dcomShellWindowsCmd = &cobra.Command{
Use: "shellwindows [target]",
Short: "Execute with the ShellWindows DCOM object",
Long: `Description:
The shellwindows method uses the exposed ShellWindows DCOM object on older Windows installations
to call Item().Document.Application.ShellExecute, and spawn the specified process.`,
Args: args(
argsRpcClient("host"),
argsOutput("smb"),
argsAcceptValues("app-window", &dcomShellWindows.WindowState, "0", "1", "2", "3", "4", "5", "7", "10"),
),
Run: func(cmd *cobra.Command, args []string) {
dcomShellWindows.Client = &rpcClient
dcomShellWindows.IO = exec
dcomShellWindows.ClassID = dcomexec.ShellWindowsUuid
ctx := log.With().
Str("module", dcomexec.ModuleName).
Str("method", dcomexec.MethodShellWindows).
Logger().WithContext(gssapi.NewSecurityContext(context.Background()))
if err := goexec.ExecuteCleanMethod(ctx, &dcomShellWindows, &exec); err != nil {
log.Fatal().Err(err).Msg("Operation failed")
}
},
}
)
|