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Copy pathprocess_utils_windows.go
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Copy pathprocess_utils_windows.go
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164 lines (139 loc) · 3.71 KB
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//go:build windows
package main
import (
"fmt"
"syscall"
"unsafe"
"golang.org/x/sys/windows"
)
var (
modpsapi = windows.NewLazySystemDLL("psapi.dll")
procEnumProcesses = modpsapi.NewProc("EnumProcesses")
procEnumProcessModules = modpsapi.NewProc("EnumProcessModules")
procGetModuleBaseName = modpsapi.NewProc("GetModuleBaseNameW")
procGetModuleFileNameEx = modpsapi.NewProc("GetModuleFileNameExW")
procGetModuleInformation = modpsapi.NewProc("GetModuleInformation")
)
type MODULEINFO struct {
BaseOfDll uintptr
SizeOfImage uint32
EntryPoint uintptr
}
func GetProcessesList() ([]uint32, uint32, error) {
var pids [4096]uint32
var bytesReturned uint32
ret, _, err := procEnumProcesses.Call(
uintptr(unsafe.Pointer(&pids)),
uintptr(unsafe.Sizeof(pids)),
uintptr(unsafe.Pointer(&bytesReturned)),
)
if ret == 0 {
return nil, 0, err
}
n := bytesReturned / 4
return pids[:n], bytesReturned, nil
}
func GetProcessData(pid uint32, hProc windows.Handle) (name string, path string, memory []byte, err error) {
var modules [1024]syscall.Handle
var cbNeeded uint32
// EnumProcessModules to get ALL loaded modules
ret, _, _ := procEnumProcessModules.Call(
uintptr(hProc),
uintptr(unsafe.Pointer(&modules)),
uintptr(unsafe.Sizeof(modules)),
uintptr(unsafe.Pointer(&cbNeeded)),
)
if ret == 0 {
return "", "", nil, fmt.Errorf("EnumProcessModules failed")
}
count := int(cbNeeded) / int(unsafe.Sizeof(modules[0]))
if count > 1024 {
count = 1024
}
if count == 0 {
return "", "", nil, fmt.Errorf("no modules found")
}
// 1. Get process name and path from the first module (main executable)
hModMain := modules[0]
// Name
var nameBuf [256]uint16
ret, _, _ = procGetModuleBaseName.Call(
uintptr(hProc),
uintptr(hModMain),
uintptr(unsafe.Pointer(&nameBuf)),
uintptr(unsafe.Sizeof(nameBuf)/2),
)
if ret != 0 {
name = syscall.UTF16ToString(nameBuf[:])
}
// Path
var pathBuf [1024]uint16
ret, _, _ = procGetModuleFileNameEx.Call(
uintptr(hProc),
uintptr(hModMain),
uintptr(unsafe.Pointer(&pathBuf)),
uintptr(unsafe.Sizeof(pathBuf)/2),
)
if ret != 0 {
path = syscall.UTF16ToString(pathBuf[:])
}
// 2. Scan ALL modules
var fullMemory []byte
for i := 0; i < count; i++ {
hMod := modules[i]
if hMod == 0 {
continue
}
var modInfo MODULEINFO
ret, _, _ = procGetModuleInformation.Call(
uintptr(hProc),
uintptr(hMod),
uintptr(unsafe.Pointer(&modInfo)),
uintptr(unsafe.Sizeof(modInfo)),
)
if ret == 0 {
continue
}
// Read memory for this module
buffer := make([]byte, modInfo.SizeOfImage)
var bytesRead uintptr
err = windows.ReadProcessMemory(hProc, modInfo.BaseOfDll, &buffer[0], uintptr(modInfo.SizeOfImage), &bytesRead)
if err == nil && bytesRead > 0 {
fullMemory = append(fullMemory, buffer...)
}
}
return name, path, fullMemory, nil
}
func ListProcesses() []ProcessInformation {
var procs []ProcessInformation
pids, _, err := GetProcessesList()
if err != nil {
LogMessage(LOG_ERROR, "Failed to enumerate processes:", err)
return procs
}
for _, pid := range pids {
if pid == 0 {
continue
}
hProc, err := windows.OpenProcess(windows.PROCESS_QUERY_INFORMATION|windows.PROCESS_VM_READ, false, pid)
if err != nil {
continue
}
name, path, mem, err := GetProcessData(pid, hProc)
windows.CloseHandle(hProc)
if err == nil && len(mem) > 0 {
// Clean memory from null bytes at the end if necessary, or keep as is
// memory = bytes.Trim(memory, "\x00") // Optional
if len(name) == 0 {
name = fmt.Sprintf("Unknown_%d", pid)
}
procs = append(procs, ProcessInformation{
PID: pid,
ProcessName: name,
ProcessPath: path,
MemoryDump: mem,
})
}
}
return procs
}