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package cmd
import (
"context"
"encoding/json"
"github.com/FalconOpsLLC/goexec/pkg/goexec"
wmiexec "github.com/FalconOpsLLC/goexec/pkg/goexec/wmi"
"github.com/oiweiwei/go-msrpc/ssp/gssapi"
"github.com/spf13/cobra"
"os"
)
func wmiCmdInit() {
cmdFlags[wmiCmd] = []*flagSet{
defaultAuthFlags,
defaultLogFlags,
defaultNetRpcFlags,
}
wmiCallCmdInit()
wmiProcCmdInit()
wmiCmd.PersistentFlags().AddFlagSet(defaultAuthFlags.Flags)
wmiCmd.PersistentFlags().AddFlagSet(defaultLogFlags.Flags)
wmiCmd.PersistentFlags().AddFlagSet(defaultNetRpcFlags.Flags)
wmiCmd.AddCommand(wmiProcCmd, wmiCallCmd)
}
func wmiCallCmdInit() {
wmiCallFlags := newFlagSet("WMI")
wmiCallFlags.Flags.StringVarP(&wmiCall.Resource, "namespace", "n", "//./root/cimv2", "WMI namespace")
wmiCallFlags.Flags.StringVarP(&wmiCall.Class, "class", "C", "", `WMI class to instantiate (i.e. "Win32_Process")`)
wmiCallFlags.Flags.StringVarP(&wmiCall.Method, "method", "m", "", `WMI Method to call (i.e. "Create")`)
wmiCallFlags.Flags.StringVarP(&wmiArguments, "args", "A", "{}", `WMI Method argument(s) in JSON dictionary format (i.e. {"Command":"calc.exe"})`)
wmiCallCmd.Flags().AddFlagSet(wmiCallFlags.Flags)
cmdFlags[wmiCallCmd] = []*flagSet{
wmiCallFlags,
defaultAuthFlags,
defaultLogFlags,
defaultNetRpcFlags,
}
if err := wmiCallCmd.MarkFlagRequired("class"); err != nil {
panic(err)
}
if err := wmiCallCmd.MarkFlagRequired("method"); err != nil {
panic(err)
}
}
func wmiProcCmdInit() {
wmiProcExecFlags := newFlagSet("Execution")
registerExecutionFlags(wmiProcExecFlags.Flags)
registerExecutionOutputFlags(wmiProcExecFlags.Flags)
wmiProcExecFlags.Flags.StringVarP(&wmiProc.WorkingDirectory, "directory", "d", `C:\`, "Working directory")
cmdFlags[wmiProcCmd] = []*flagSet{
wmiProcExecFlags,
defaultAuthFlags,
defaultLogFlags,
defaultNetRpcFlags,
}
wmiProcCmd.Flags().AddFlagSet(wmiProcExecFlags.Flags)
}
var (
wmiCall = wmiexec.WmiCall{}
wmiProc = wmiexec.WmiProc{}
wmiArguments string
wmiCmd = &cobra.Command{
Use: "wmi",
Short: "Execute with Windows Management Instrumentation (MS-WMI)",
Long: `Description:
The wmi module uses remote Windows Management Instrumentation (WMI) to
perform various operations including process creation.`,
GroupID: "module",
Args: cobra.NoArgs,
}
wmiCallCmd = &cobra.Command{
Use: "call [target]",
Short: "Execute specified WMI method",
Long: `Description:
The call method creates an instance of the specified WMI class (-c),
then calls the provided method (-m) with the provided arguments (-A).`,
Args: args(
argsRpcClient("cifs"),
func(cmd *cobra.Command, args []string) error {
return json.Unmarshal([]byte(wmiArguments), &wmiCall.Args)
}),
Run: func(cmd *cobra.Command, args []string) {
wmiCall.Client = &rpcClient
wmiCall.Out = os.Stdout
ctx := log.With().
Str("module", "wmi").
Str("method", "call").
Logger().WithContext(gssapi.NewSecurityContext(context.Background()))
if err := goexec.ExecuteCleanAuxiliaryMethod(ctx, &wmiCall); err != nil {
log.Fatal().Err(err).Msg("Operation failed")
}
},
}
wmiProcCmd = &cobra.Command{
Use: "proc [target]",
Short: "Start a Windows process",
Long: `Description:
The proc method creates an instance of the Win32_Process WMI class, then
calls the Win32_Process.Create method with the provided command (-c),
and optional working directory (-d).`,
Args: args(
argsRpcClient("cifs"),
argsOutput("smb"),
),
Run: func(cmd *cobra.Command, args []string) {
wmiProc.Client = &rpcClient
wmiProc.IO = exec
wmiProc.Resource = "//./root/cimv2"
ctx := log.With().
Str("module", "wmi").
Str("method", "proc").
Logger().WithContext(gssapi.NewSecurityContext(context.Background()))
if err := goexec.ExecuteCleanMethod(ctx, &wmiProc, &exec); err != nil {
log.Fatal().Err(err).Msg("Operation failed")
}
},
}
)
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