1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
package cmd
import (
"github.com/FalconOpsLLC/goexec/internal/exec"
"github.com/FalconOpsLLC/goexec/internal/exec/tsch"
"github.com/spf13/cobra"
"time"
)
func tschCmdInit() {
tschDeleteCmdInit()
tschCmd.AddCommand(tschDeleteCmd)
tschRegisterCmdInit()
tschCmd.AddCommand(tschRegisterCmd)
tschDemandCmdInit()
tschCmd.AddCommand(tschDemandCmd)
}
func tschDeleteCmdInit() {
tschDeleteCmd.Flags().StringVarP(&tschTaskPath, "path", "t", "", "Scheduled task path")
tschDeleteCmd.MarkFlagRequired("path")
}
func tschDemandCmdInit() {
tschDemandCmd.Flags().StringVarP(&executable, "executable", "e", "", "Remote Windows executable to invoke")
tschDemandCmd.Flags().StringVarP(&executableArgs, "args", "a", "", "Arguments to pass to executable")
tschDemandCmd.Flags().StringVarP(&tschName, "name", "n", "", "Target task name")
tschDemandCmd.Flags().BoolVar(&tschNoDelete, "no-delete", false, "Don't delete task after execution")
tschDemandCmd.MarkFlagRequired("executable")
}
func tschRegisterCmdInit() {
tschRegisterCmd.Flags().StringVarP(&executable, "executable", "e", "", "Remote Windows executable to invoke")
tschRegisterCmd.Flags().StringVarP(&executableArgs, "args", "a", "", "Arguments to pass to executable")
tschRegisterCmd.Flags().StringVarP(&tschName, "name", "n", "", "Target task name")
tschRegisterCmd.Flags().DurationVar(&tschStopDelay, "delay-stop", time.Duration(5*time.Second), "Delay between task execution and termination. This will not stop the process spawned by the task")
tschRegisterCmd.Flags().DurationVarP(&tschDelay, "delay-start", "d", time.Duration(5*time.Second), "Delay between task registration and execution")
tschRegisterCmd.Flags().DurationVarP(&tschDeleteDelay, "delay-delete", "D", time.Duration(0*time.Second), "Delay between task termination and deletion")
tschRegisterCmd.Flags().BoolVar(&tschNoDelete, "no-delete", false, "Don't delete task after execution")
tschRegisterCmd.Flags().BoolVar(&tschCallDelete, "call-delete", false, "Directly call SchRpcDelete to delete task")
tschRegisterCmd.MarkFlagsMutuallyExclusive("no-delete", "delay-delete")
tschRegisterCmd.MarkFlagsMutuallyExclusive("no-delete", "call-delete")
tschRegisterCmd.MarkFlagsMutuallyExclusive("delay-delete", "call-delete")
tschRegisterCmd.MarkFlagRequired("executable")
}
var (
tschNoDelete bool
tschCallDelete bool
tschDeleteDelay time.Duration
tschStopDelay time.Duration
tschDelay time.Duration
tschName string
tschTaskPath string
tschCmd = &cobra.Command{
Use: "tsch",
Short: "Establish execution via TSCH (ITaskSchedulerService)",
Args: cobra.NoArgs,
}
tschRegisterCmd = &cobra.Command{
Use: "register [target]",
Short: "Register a remote scheduled task with an automatic start time",
Long: `Description:
The register method calls SchRpcRegisterTask to register a scheduled task
with an automatic start time.This method avoids directly calling SchRpcRun,
and can even avoid calling SchRpcDelete by populating the DeleteExpiredTaskAfter
Setting.
References:
SchRpcRegisterTask - https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-tsch/849c131a-64e4-46ef-b015-9d4c599c5167
SchRpcRun - https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-tsch/77f2250d-500a-40ee-be18-c82f7079c4f0
SchRpcDelete - https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-tsch/360bb9b1-dd2a-4b36-83ee-21f12cb97cff
DeleteExpiredTaskAfter - https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-tsch/6bfde6fe-440e-4ddd-b4d6-c8fc0bc06fae
`,
Args: needsTarget,
Run: func(cmd *cobra.Command, args []string) {
if tschNoDelete {
log.Warn().Msg("Task will not be deleted after execution")
}
module := tschexec.Module{}
execCfg := &exec.ExecutionConfig{
ExecutableName: executable,
ExecutableArgs: executableArgs,
ExecutionMethod: tschexec.MethodRegister,
ExecutionMethodConfig: tschexec.MethodRegisterConfig{
NoDelete: tschNoDelete,
CallDelete: tschCallDelete,
StartDelay: tschDelay,
StopDelay: tschStopDelay,
DeleteDelay: tschDeleteDelay,
TaskName: tschName,
},
}
if err := module.Exec(log.WithContext(ctx), creds, target, execCfg); err != nil {
log.Fatal().Err(err).Msg("TSCH execution failed")
}
},
}
tschDemandCmd = &cobra.Command{
Use: "demand [target]",
Short: "Register a remote scheduled task and demand immediate start",
Long: `Description:
Similar to the register method, the demand method will call SchRpcRegisterTask,
But rather than setting a defined time when the task will start, it will
additionally call SchRpcRun to forcefully start the task.
References:
SchRpcRegisterTask - https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-tsch/849c131a-64e4-46ef-b015-9d4c599c5167
SchRpcRun - https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-tsch/77f2250d-500a-40ee-be18-c82f7079c4f0
`,
Args: needsTarget,
Run: func(cmd *cobra.Command, args []string) {
if tschNoDelete {
log.Warn().Msg("Task will not be deleted after execution")
}
module := tschexec.Module{}
execCfg := &exec.ExecutionConfig{
ExecutableName: executable,
ExecutableArgs: executableArgs,
ExecutionMethod: tschexec.MethodDemand,
ExecutionMethodConfig: tschexec.MethodDemandConfig{
NoDelete: tschNoDelete,
TaskName: tschName,
},
}
if err := module.Exec(log.WithContext(ctx), creds, target, execCfg); err != nil {
log.Fatal().Err(err).Msg("TSCH execution failed")
}
},
}
tschDeleteCmd = &cobra.Command{
Use: "delete [target]",
Short: "Manually delete a scheduled task",
Long: `Description:
The delete method manually deletes a scheduled task by calling SchRpcDelete
References:
SchRpcDelete - https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-tsch/360bb9b1-dd2a-4b36-83ee-21f12cb97cff
`,
Args: needsTarget,
Run: func(cmd *cobra.Command, args []string) {
module := tschexec.Module{}
cleanCfg := &exec.CleanupConfig{
CleanupMethod: tschexec.MethodDelete,
CleanupMethodConfig: tschexec.MethodDeleteConfig{TaskPath: tschTaskPath},
}
if err := module.Cleanup(log.WithContext(ctx), creds, target, cleanCfg); err != nil {
log.Fatal().Err(err).Msg("TSCH cleanup failed")
}
},
}
)
|