feat: 增加IMAP扫描

2026-09-22 03:10:42 +08:00 · 2024-12-23 01:50:20 +08:00
parent 8f5d0caaf2
commit 7bded7bc31
7 changed files with 123 additions and 6 deletions
@@ -0,0 +1,111 @@
+package Plugins
+
+import (
+	"bufio"
+	"crypto/tls"
+	"fmt"
+	"github.com/shadow1ng/fscan/Common"
+	"io"
+	"net"
+	"strings"
+	"time"
+)
+
+func IMAPScan(info *Common.HostInfo) (tmperr error) {
+	if Common.DisableBrute {
+		return
+	}
+
+	starttime := time.Now().Unix()
+
+	// 尝试用户名密码组合
+	for _, user := range Common.Userdict["imap"] {
+		for _, pass := range Common.Passwords {
+			pass = strings.Replace(pass, "{user}", user, -1)
+
+			flag, err := IMAPConn(info, user, pass)
+			if flag && err == nil {
+				return err
+			}
+
+			errlog := fmt.Sprintf("[-] IMAP服务 %v:%v 尝试失败 用户名: %v 密码: %v 错误: %v", info.Host, info.Ports, user, pass, err)
+			Common.LogError(errlog)
+			tmperr = err
+
+			if Common.CheckErrs(err) {
+				return err
+			}
+
+			if time.Now().Unix()-starttime > (int64(len(Common.Userdict["imap"])*len(Common.Passwords)) * Common.Timeout) {
+				return err
+			}
+		}
+	}
+	return tmperr
+}
+
+func IMAPConn(info *Common.HostInfo, user string, pass string) (bool, error) {
+	host, port := info.Host, info.Ports
+	timeout := time.Duration(Common.Timeout) * time.Second
+	addr := fmt.Sprintf("%s:%s", host, port)
+
+	// 首先尝试普通连接
+	conn, err := net.DialTimeout("tcp", addr, timeout)
+	if err == nil {
+		if flag, err := tryIMAPAuth(conn, host, port, user, pass, timeout); err == nil {
+			return flag, nil
+		}
+		conn.Close()
+	}
+
+	// 如果普通连接失败，尝试TLS连接
+	tlsConfig := &tls.Config{
+		InsecureSkipVerify: true,
+	}
+	conn, err = tls.DialWithDialer(&net.Dialer{Timeout: timeout}, "tcp", addr, tlsConfig)
+	if err != nil {
+		return false, fmt.Errorf("连接失败: %v", err)
+	}
+	defer conn.Close()
+
+	return tryIMAPAuth(conn, host, port, user, pass, timeout)
+}
+
+// tryIMAPAuth 尝试IMAP认证
+func tryIMAPAuth(conn net.Conn, host string, port string, user string, pass string, timeout time.Duration) (bool, error) {
+	conn.SetDeadline(time.Now().Add(timeout))
+
+	reader := bufio.NewReader(conn)
+	_, err := reader.ReadString('\n')
+	if err != nil {
+		return false, fmt.Errorf("读取欢迎消息失败: %v", err)
+	}
+
+	loginCmd := fmt.Sprintf("a001 LOGIN \"%s\" \"%s\"\r\n", user, pass)
+	_, err = conn.Write([]byte(loginCmd))
+	if err != nil {
+		return false, fmt.Errorf("发送登录命令失败: %v", err)
+	}
+
+	for {
+		conn.SetDeadline(time.Now().Add(timeout))
+		response, err := reader.ReadString('\n')
+		if err != nil {
+			if err == io.EOF {
+				return false, fmt.Errorf("认证失败")
+			}
+			return false, fmt.Errorf("读取响应失败: %v", err)
+		}
+
+		if strings.Contains(response, "a001 OK") {
+			result := fmt.Sprintf("[+] IMAP服务 %v:%v 爆破成功 用户名: %v 密码: %v",
+				host, port, user, pass)
+			Common.LogSuccess(result)
+			return true, nil
+		}
+
+		if strings.Contains(response, "a001 NO") || strings.Contains(response, "a001 BAD") {
+			return false, fmt.Errorf("认证失败")
+		}
+	}
+}