mirror of
https://github.com/shadow1ng/fscan.git
synced 2026-09-22 03:10:42 +08:00
feat: cleaner 支持清理所有持久化痕迹,minidump 增加杀软前置检测
cleaner 新增 Windows 持久化完整清理: - Winlogon Shell/Userinit 恢复默认值 - IFEO 映像劫持清理 - 注册表 Run/RunOnce 清理 - 计划任务、服务、启动文件夹清理 - BITS 任务、WMI 事件订阅清理 - Prefetch 记录清理 minidump 增加杀软前置检测,发现 Defender/EDR 直接退出, 避免 MiniDumpWriteDump hang 导致系统崩溃
This commit is contained in:
@@ -0,0 +1,242 @@
|
||||
//go:build (plugin_cleaner || !plugin_selective) && windows && !no_local
|
||||
|
||||
package local
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"os"
|
||||
"os/exec"
|
||||
"path/filepath"
|
||||
"strings"
|
||||
)
|
||||
|
||||
func cleanPersistence(output *strings.Builder) int {
|
||||
cleaned := 0
|
||||
|
||||
// 1. 清理 Winlogon 劫持——恢复默认值
|
||||
cleaned += fixWinlogon(output)
|
||||
|
||||
// 2. 清理 IFEO 映像劫持
|
||||
cleaned += cleanIFEO(output)
|
||||
|
||||
// 3. 清理注册表 Run 键
|
||||
cleaned += cleanRegistryRun(output)
|
||||
|
||||
// 4. 清理计划任务
|
||||
cleaned += cleanScheduledTasks(output)
|
||||
|
||||
// 5. 清理服务
|
||||
cleaned += cleanServices(output)
|
||||
|
||||
// 6. 清理启动文件夹
|
||||
cleaned += cleanStartupFolders(output)
|
||||
|
||||
// 7. 清理 BITS 任务
|
||||
cleaned += cleanBITS(output)
|
||||
|
||||
// 8. 清理 WMI 事件订阅
|
||||
cleaned += cleanWMI(output)
|
||||
|
||||
// 9. 清理 Prefetch
|
||||
cleaned += cleanPrefetch(output)
|
||||
|
||||
return cleaned
|
||||
}
|
||||
|
||||
func fixWinlogon(output *strings.Builder) int {
|
||||
cleaned := 0
|
||||
key := `HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon`
|
||||
|
||||
// 检查 Shell 是否被篡改
|
||||
if out, err := exec.Command("reg", "query", key, "/v", "Shell").CombinedOutput(); err == nil {
|
||||
val := extractRegValue(string(out))
|
||||
if val != "explorer.exe" && val != "" {
|
||||
exec.Command("reg", "add", key, "/v", "Shell", "/t", "REG_SZ", "/d", "explorer.exe", "/f").Run()
|
||||
output.WriteString(fmt.Sprintf("[恢复] Winlogon Shell: %s → explorer.exe\n", val))
|
||||
cleaned++
|
||||
}
|
||||
}
|
||||
|
||||
// 检查 Userinit 是否被篡改
|
||||
if out, err := exec.Command("reg", "query", key, "/v", "Userinit").CombinedOutput(); err == nil {
|
||||
val := extractRegValue(string(out))
|
||||
defaultVal := `C:\Windows\system32\userinit.exe,`
|
||||
if val != defaultVal && val != strings.TrimSuffix(defaultVal, ",") && val != "" {
|
||||
exec.Command("reg", "add", key, "/v", "Userinit", "/t", "REG_SZ", "/d", defaultVal, "/f").Run()
|
||||
output.WriteString(fmt.Sprintf("[恢复] Winlogon Userinit: %s → %s\n", val, defaultVal))
|
||||
cleaned++
|
||||
}
|
||||
}
|
||||
return cleaned
|
||||
}
|
||||
|
||||
func cleanIFEO(output *strings.Builder) int {
|
||||
cleaned := 0
|
||||
targets := []string{"sethc.exe", "utilman.exe", "narrator.exe"}
|
||||
for _, t := range targets {
|
||||
key := fmt.Sprintf(`HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\%s`, t)
|
||||
if out, err := exec.Command("reg", "query", key, "/v", "Debugger").CombinedOutput(); err == nil && strings.Contains(string(out), "Debugger") {
|
||||
exec.Command("reg", "delete", key, "/f").Run()
|
||||
output.WriteString(fmt.Sprintf("[清理] IFEO: %s\n", t))
|
||||
cleaned++
|
||||
}
|
||||
}
|
||||
return cleaned
|
||||
}
|
||||
|
||||
func cleanRegistryRun(output *strings.Builder) int {
|
||||
cleaned := 0
|
||||
keys := []string{
|
||||
`HKCU\Software\Microsoft\Windows\CurrentVersion\Run`,
|
||||
`HKLM\Software\Microsoft\Windows\CurrentVersion\Run`,
|
||||
`HKCU\Software\Microsoft\Windows\CurrentVersion\RunOnce`,
|
||||
}
|
||||
markers := []string{"fscan", "test_payload", "WindowsUpdate_", "SystemUpdate_", "SetupComplete_"}
|
||||
|
||||
for _, key := range keys {
|
||||
out, err := exec.Command("reg", "query", key).CombinedOutput()
|
||||
if err != nil {
|
||||
continue
|
||||
}
|
||||
for _, line := range strings.Split(string(out), "\n") {
|
||||
for _, m := range markers {
|
||||
if strings.Contains(line, m) {
|
||||
fields := strings.Fields(strings.TrimSpace(line))
|
||||
if len(fields) > 0 {
|
||||
exec.Command("reg", "delete", key, "/v", fields[0], "/f").Run()
|
||||
output.WriteString(fmt.Sprintf("[清理] 注册表: %s\\%s\n", key, fields[0]))
|
||||
cleaned++
|
||||
}
|
||||
break
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
return cleaned
|
||||
}
|
||||
|
||||
func cleanScheduledTasks(output *strings.Builder) int {
|
||||
cleaned := 0
|
||||
markers := []string{"WindowsUpdateCheck_", "SystemSecurityScan_", "MaintenanceTask_", "BackgroundService_"}
|
||||
out, err := exec.Command("schtasks", "/query", "/fo", "csv", "/nh").CombinedOutput()
|
||||
if err != nil {
|
||||
return 0
|
||||
}
|
||||
for _, line := range strings.Split(string(out), "\n") {
|
||||
for _, m := range markers {
|
||||
if strings.Contains(line, m) {
|
||||
parts := strings.Split(line, ",")
|
||||
if len(parts) > 0 {
|
||||
name := strings.Trim(parts[0], "\"\\")
|
||||
exec.Command("schtasks", "/delete", "/tn", name, "/f").Run()
|
||||
output.WriteString(fmt.Sprintf("[清理] 计划任务: %s\n", name))
|
||||
cleaned++
|
||||
}
|
||||
break
|
||||
}
|
||||
}
|
||||
}
|
||||
return cleaned
|
||||
}
|
||||
|
||||
func cleanServices(output *strings.Builder) int {
|
||||
cleaned := 0
|
||||
markers := []string{"WinDefendUpdate_", "SysHealthMon_"}
|
||||
for _, m := range markers {
|
||||
out, err := exec.Command("sc", "query", "state=", "all").CombinedOutput()
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
for _, line := range strings.Split(string(out), "\n") {
|
||||
if strings.Contains(line, "SERVICE_NAME") && strings.Contains(line, m) {
|
||||
name := strings.TrimSpace(strings.TrimPrefix(strings.TrimSpace(line), "SERVICE_NAME:"))
|
||||
exec.Command("sc", "stop", name).Run()
|
||||
exec.Command("sc", "delete", name).Run()
|
||||
output.WriteString(fmt.Sprintf("[清理] 服务: %s\n", name))
|
||||
cleaned++
|
||||
}
|
||||
}
|
||||
}
|
||||
return cleaned
|
||||
}
|
||||
|
||||
func cleanStartupFolders(output *strings.Builder) int {
|
||||
cleaned := 0
|
||||
dirs := []string{
|
||||
filepath.Join(os.Getenv("APPDATA"), "Microsoft", "Windows", "Start Menu", "Programs", "Startup"),
|
||||
filepath.Join(os.Getenv("ProgramData"), "Microsoft", "Windows", "Start Menu", "Programs", "Startup"),
|
||||
}
|
||||
for _, dir := range dirs {
|
||||
matches, _ := filepath.Glob(filepath.Join(dir, "test_payload*"))
|
||||
for _, f := range matches {
|
||||
if os.Remove(f) == nil {
|
||||
output.WriteString(fmt.Sprintf("[清理] 启动文件夹: %s\n", f))
|
||||
cleaned++
|
||||
}
|
||||
}
|
||||
}
|
||||
return cleaned
|
||||
}
|
||||
|
||||
func cleanBITS(output *strings.Builder) int {
|
||||
cleaned := 0
|
||||
out, err := exec.Command("bitsadmin", "/list", "/allusers").CombinedOutput()
|
||||
if err != nil {
|
||||
return 0
|
||||
}
|
||||
for _, line := range strings.Split(string(out), "\n") {
|
||||
if strings.Contains(line, "WindowsUpdate_") || strings.Contains(line, "fscan") {
|
||||
// 提取 GUID
|
||||
if idx := strings.Index(line, "{"); idx != -1 {
|
||||
if end := strings.Index(line[idx:], "}"); end != -1 {
|
||||
guid := line[idx : idx+end+1]
|
||||
exec.Command("bitsadmin", "/cancel", guid).Run()
|
||||
output.WriteString(fmt.Sprintf("[清理] BITS: %s\n", guid))
|
||||
cleaned++
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
return cleaned
|
||||
}
|
||||
|
||||
func cleanWMI(output *strings.Builder) int {
|
||||
cleaned := 0
|
||||
ps := `
|
||||
Get-WmiObject -Namespace root\subscription -Class __FilterToConsumerBinding | Where-Object { $_.Consumer -match 'SysExec_' -or $_.Consumer -match 'fscan' } | Remove-WmiObject
|
||||
Get-WmiObject -Namespace root\subscription -Class CommandLineEventConsumer | Where-Object { $_.Name -match 'SysExec_' -or $_.Name -match 'fscan' } | Remove-WmiObject
|
||||
Get-WmiObject -Namespace root\subscription -Class __EventFilter | Where-Object { $_.Name -match 'SysMon_' -or $_.Name -match 'fscan' } | Remove-WmiObject
|
||||
Write-Output 'WMI_CLEANED'
|
||||
`
|
||||
out, err := exec.Command("powershell", "-NoProfile", "-Command", ps).CombinedOutput()
|
||||
if err == nil && strings.Contains(string(out), "WMI_CLEANED") {
|
||||
output.WriteString("[清理] WMI 事件订阅\n")
|
||||
cleaned++
|
||||
}
|
||||
return cleaned
|
||||
}
|
||||
|
||||
func cleanPrefetch(output *strings.Builder) int {
|
||||
cleaned := 0
|
||||
matches, _ := filepath.Glob(`C:\Windows\Prefetch\FSCAN*.pf`)
|
||||
for _, f := range matches {
|
||||
if os.Remove(f) == nil {
|
||||
output.WriteString(fmt.Sprintf("[清理] Prefetch: %s\n", f))
|
||||
cleaned++
|
||||
}
|
||||
}
|
||||
return cleaned
|
||||
}
|
||||
|
||||
func extractRegValue(output string) string {
|
||||
for _, line := range strings.Split(output, "\n") {
|
||||
line = strings.TrimSpace(line)
|
||||
if strings.Contains(line, "REG_SZ") {
|
||||
parts := strings.SplitN(line, "REG_SZ", 2)
|
||||
if len(parts) == 2 {
|
||||
return strings.TrimSpace(parts[1])
|
||||
}
|
||||
}
|
||||
}
|
||||
return ""
|
||||
}
|
||||
Reference in New Issue
Block a user