fscan/plugins/legacy/smb/smb2.go
ZacharyZcR daa7fb2dcb refactor: 重构SMB和SMB2插件架构,大幅减少代码重复
- 创建通用SMB框架,包含抽象接口、凭据管理和并发扫描引擎
- SMB2插件代码量从492行减少到159行,减少68%代码量
- 统一错误分类和处理机制,提高代码可维护性
- 支持密码和哈希两种认证方式,保持向后兼容性
- 模块化设计便于单元测试和功能扩展
2025-08-12 19:11:40 +08:00

158 lines
4.4 KiB
Go

package smb
import (
"context"
"fmt"
"time"
"github.com/shadow1ng/fscan/plugins/legacy/smb/common"
"github.com/shadow1ng/fscan/plugins/legacy/smb/smb2"
fscanCommon "github.com/shadow1ng/fscan/common"
"github.com/shadow1ng/fscan/common/output"
)
// SmbScan2 执行SMB2服务的认证扫描(重构版本)
func SmbScan2(info *fscanCommon.HostInfo) error {
if fscanCommon.DisableBrute {
return nil
}
// 创建目标信息
target := &common.TargetInfo{
Host: info.Host,
Port: 445,
Domain: fscanCommon.Domain,
}
// 设置全局超时上下文
ctx, cancel := context.WithTimeout(context.Background(),
time.Duration(fscanCommon.GlobalTimeout)*time.Second)
defer cancel()
// 根据是否提供哈希选择认证模式
var credMgr common.CredentialManager
if len(fscanCommon.HashBytes) > 0 {
credMgr = common.NewHashCredentialManager()
fscanCommon.LogDebug(fmt.Sprintf("开始SMB2哈希认证扫描 (总用户数: %d, 总哈希数: %d)",
len(fscanCommon.Userdict["smb"]), len(fscanCommon.HashBytes)))
} else {
credMgr = common.NewPasswordCredentialManager()
fscanCommon.LogDebug(fmt.Sprintf("开始SMB2密码认证扫描 (总用户数: %d, 总密码数: %d)",
len(fscanCommon.Userdict["smb"]), len(fscanCommon.Passwords)))
}
// 创建连接器和扫描器
connector := smb2.NewSmb2Connector()
scanner := common.NewScanner()
// 配置扫描参数
config := &common.ScanConfig{
MaxConcurrent: fscanCommon.ModuleThreadNum,
Timeout: time.Duration(fscanCommon.Timeout) * time.Second,
GlobalTimeout: time.Duration(fscanCommon.GlobalTimeout) * time.Second,
}
// 执行扫描
result, err := scanner.Scan(ctx, target, connector, credMgr, config)
if err != nil {
return err
}
// 处理扫描结果
if result != nil && result.Success {
logSuccessfulAuth(info, result.Credential, result.Shares)
if len(result.Shares) > 0 {
logShareInfo(info, result.Credential, result.Shares)
}
}
return nil
}
// logSuccessfulAuth 记录成功的认证
func logSuccessfulAuth(info *fscanCommon.HostInfo, cred common.Credential, shares []string) {
credential := cred.Password
if cred.IsHash && len(cred.Hash) > 0 {
credential = fscanCommon.HashValue
}
// 保存认证成功结果
result := &output.ScanResult{
Time: time.Now(),
Type: output.TypeVuln,
Target: info.Host,
Status: "success",
Details: map[string]interface{}{
"port": info.Ports,
"service": "smb2",
"username": cred.Username,
"domain": fscanCommon.Domain,
"type": "weak-auth",
"credential": credential,
"auth_type": map[bool]string{true: "hash", false: "password"}[cred.IsHash],
"shares": shares,
},
}
fscanCommon.SaveResult(result)
// 控制台输出
var msg string
if fscanCommon.Domain != "" {
msg = fmt.Sprintf("SMB2认证成功 %s:%s %s\\%s",
info.Host, info.Ports, fscanCommon.Domain, cred.Username)
} else {
msg = fmt.Sprintf("SMB2认证成功 %s:%s %s",
info.Host, info.Ports, cred.Username)
}
if cred.IsHash && len(cred.Hash) > 0 {
msg += fmt.Sprintf(" Hash:%s", fscanCommon.HashValue)
} else {
msg += fmt.Sprintf(" Pass:%s", cred.Password)
}
fscanCommon.LogSuccess(msg)
}
// logShareInfo 记录SMB共享信息
func logShareInfo(info *fscanCommon.HostInfo, cred common.Credential, shares []string) {
credential := cred.Password
if cred.IsHash && len(cred.Hash) > 0 {
credential = fscanCommon.HashValue
}
// 保存共享信息结果
result := &output.ScanResult{
Time: time.Now(),
Type: output.TypeVuln,
Target: info.Host,
Status: "shares-found",
Details: map[string]interface{}{
"port": info.Ports,
"service": "smb2",
"username": cred.Username,
"domain": fscanCommon.Domain,
"shares": shares,
"credential": credential,
"auth_type": map[bool]string{true: "hash", false: "password"}[cred.IsHash],
},
}
fscanCommon.SaveResult(result)
// 控制台输出
var msg string
if fscanCommon.Domain != "" {
msg = fmt.Sprintf("SMB2共享信息 %s:%s %s\\%s",
info.Host, info.Ports, fscanCommon.Domain, cred.Username)
} else {
msg = fmt.Sprintf("SMB2共享信息 %s:%s %s",
info.Host, info.Ports, cred.Username)
}
if cred.IsHash && len(cred.Hash) > 0 {
msg += fmt.Sprintf(" Hash:%s", fscanCommon.HashValue)
} else {
msg += fmt.Sprintf(" Pass:%s", cred.Password)
}
msg += fmt.Sprintf(" 共享:%v", shares)
fscanCommon.LogBase(msg)
}