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authorBryan McNulty <bryanmcnulty@protonmail.com>2025-04-16 12:11:58 -0500
committerBryan McNulty <bryanmcnulty@protonmail.com>2025-04-16 12:11:58 -0500
commit55eb4275fb760ac7a3ce1444f5ae0ded9e2ff91c (patch)
treeedf4ec3b814fb10ccdbf759a62819a865d3e8141 /internal/exec/tsch/exec.go
parenta827b67d47cba7b02ea9599fe6bb88ffb3a6967d (diff)
downloadgoexec-55eb4275fb760ac7a3ce1444f5ae0ded9e2ff91c.tar.gz
goexec-55eb4275fb760ac7a3ce1444f5ae0ded9e2ff91c.zip
rewrote everything lol
Diffstat (limited to 'internal/exec/tsch/exec.go')
-rw-r--r--internal/exec/tsch/exec.go189
1 files changed, 0 insertions, 189 deletions
diff --git a/internal/exec/tsch/exec.go b/internal/exec/tsch/exec.go
deleted file mode 100644
index 49a2dc2..0000000
--- a/internal/exec/tsch/exec.go
+++ /dev/null
@@ -1,189 +0,0 @@
-package tschexec
-
-import (
- "context"
- "errors"
- "fmt"
- "github.com/FalconOpsLLC/goexec/internal/client/dce"
- "github.com/FalconOpsLLC/goexec/internal/exec"
- "github.com/FalconOpsLLC/goexec/internal/util"
- "github.com/RedTeamPentesting/adauth"
- "github.com/oiweiwei/go-msrpc/msrpc/tsch/itaskschedulerservice/v1"
- "github.com/rs/zerolog"
- "time"
-)
-
-const (
- TschDefaultEndpoint = "ncacn_np:[atsvc]"
- TschDefaultObject = "86D35949-83C9-4044-B424-DB363231FD0C"
-)
-
-// Connect to the target & initialize DCE & TSCH clients
-func (mod *Module) Connect(ctx context.Context, creds *adauth.Credential, target *adauth.Target, ccfg *exec.ConnectionConfig) (err error) {
-
- log := zerolog.Ctx(ctx).With().
- Str("func", "Connect").Logger()
-
- if ccfg.ConnectionMethod == exec.ConnectionMethodDCE {
- if cfg, ok := ccfg.ConnectionMethodConfig.(dce.ConnectionMethodDCEConfig); !ok {
- return fmt.Errorf("invalid configuration for DCE connection method")
- } else {
- // Create DCERPC dialer
- mod.dce, err = cfg.GetDce(ctx, creds, target, TschDefaultEndpoint, TschDefaultObject)
- if err != nil {
- log.Error().Err(err).Msg("Failed to create DCERPC dialer")
- return fmt.Errorf("create DCERPC dialer: %w", err)
- }
- // Create ITaskSchedulerService client
- mod.tsch, err = itaskschedulerservice.NewTaskSchedulerServiceClient(ctx, mod.dce)
- if err != nil {
- log.Error().Err(err).Msg("Failed to initialize TSCH client")
- return fmt.Errorf("init TSCH client: %w", err)
- }
- log.Info().Msg("DCE connection successful")
- }
- } else {
- return errors.New("unsupported connection method")
- }
- return
-}
-
-func (mod *Module) Cleanup(ctx context.Context, ccfg *exec.CleanupConfig) (err error) {
- log := zerolog.Ctx(ctx).With().
- Str("method", ccfg.CleanupMethod).
- Str("func", "Cleanup").Logger()
-
- if ccfg.CleanupMethod == MethodDelete {
- if cfg, ok := ccfg.CleanupMethodConfig.(MethodDeleteConfig); !ok {
- return errors.New("invalid configuration")
-
- } else {
- log = log.With().Str("task", cfg.TaskPath).Logger()
- log.Info().Msg("Manually deleting task")
-
- if err = mod.deleteTask(ctx, cfg.TaskPath); err == nil {
- log.Info().Msg("Task deleted successfully")
- }
- }
- } else if ccfg.CleanupMethod == "" {
- return nil
- } else {
- return fmt.Errorf("unsupported cleanup method")
- }
- return
-}
-
-func (mod *Module) Exec(ctx context.Context, ecfg *exec.ExecutionConfig) (err error) {
-
- log := zerolog.Ctx(ctx).With().
- Str("method", ecfg.ExecutionMethod).
- Str("func", "Exec").Logger()
-
- if ecfg.ExecutionMethod == MethodRegister {
- if cfg, ok := ecfg.ExecutionMethodConfig.(MethodRegisterConfig); !ok {
- return errors.New("invalid configuration")
-
- } else {
- startTime := time.Now().UTC().Add(cfg.StartDelay)
- stopTime := startTime.Add(cfg.StopDelay)
-
- tr := taskTimeTrigger{
- StartBoundary: startTime.Format(TaskXMLDurationFormat),
- Enabled: true,
- }
- tk := newTask(nil, nil, triggers{TimeTriggers: []taskTimeTrigger{tr}}, ecfg.ExecutableName, ecfg.ExecutableArgs)
-
- if !cfg.NoDelete && !cfg.CallDelete {
- if cfg.StopDelay == 0 {
- cfg.StopDelay = time.Second
- }
- tk.Settings.DeleteExpiredTaskAfter = xmlDuration(cfg.DeleteDelay)
- tk.Triggers.TimeTriggers[0].EndBoundary = stopTime.Format(TaskXMLDurationFormat)
- }
- taskPath := cfg.TaskPath
- if taskPath == "" {
- log.Debug().Msg("Task path not defined. Using random path")
- taskPath = `\` + util.RandomString()
- }
- // The taskPath is changed here to the *actual path returned by SchRpcRegisterTask
- taskPath, err = mod.registerTask(ctx, *tk, taskPath)
- if err != nil {
- return fmt.Errorf("call registerTask: %w", err)
- }
-
- if !cfg.NoDelete {
- if cfg.CallDelete {
- defer mod.deleteTask(ctx, taskPath)
-
- log.Info().Dur("ms", cfg.StartDelay).Msg("Waiting for task to run")
- select {
- case <-ctx.Done():
- log.Warn().Msg("Cancelling execution")
- return err
- case <-time.After(cfg.StartDelay + time.Second): // + one second for good measure
- for {
- if stat, err := mod.tsch.GetLastRunInfo(ctx, &itaskschedulerservice.GetLastRunInfoRequest{Path: taskPath}); err != nil {
- log.Warn().Err(err).Msg("Failed to get last run info. Assuming task was executed")
- break
- } else if stat.LastRuntime.AsTime().IsZero() {
- log.Warn().Msg("Task was not yet run. Waiting 10 additional seconds")
- time.Sleep(10 * time.Second)
- } else {
- break
- }
- }
- break
- }
- } else {
- log.Info().Time("when", stopTime).Msg("Task is scheduled to delete")
- }
- }
- }
- } else if ecfg.ExecutionMethod == MethodDemand {
- if cfg, ok := ecfg.ExecutionMethodConfig.(MethodDemandConfig); !ok {
- return errors.New("invalid configuration")
-
- } else {
- taskPath := cfg.TaskPath
-
- if taskPath == "" {
- log.Debug().Msg("Task path not defined. Using random path")
- taskPath = `\` + util.RandomString()
- }
-
- st := newSettings(true, true, false)
- tk := newTask(st, nil, triggers{}, ecfg.ExecutableName, ecfg.ExecutableArgs)
-
- // The taskPath is changed here to the *actual path returned by SchRpcRegisterTask
- taskPath, err = mod.registerTask(ctx, *tk, taskPath)
- if err != nil {
- return fmt.Errorf("call registerTask: %w", err)
- }
-
- if !cfg.NoDelete {
- defer mod.deleteTask(ctx, taskPath)
- }
-
- var flags uint32
-
- if cfg.SessionId != 0 {
- flags |= 4
- }
- _, err := mod.tsch.Run(ctx, &itaskschedulerservice.RunRequest{
- Path: taskPath,
- Flags: flags,
- SessionID: cfg.SessionId,
- })
- if err != nil {
- log.Error().Str("task", taskPath).Err(err).Msg("Failed to run task")
- return fmt.Errorf("force run task: %w", err)
- }
- log.Info().Str("task", taskPath).Msg("Started task")
- }
-
- } else {
- return fmt.Errorf("method '%s' not implemented", ecfg.ExecutionMethod)
- }
-
- return nil
-}