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exploitDB.go
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exploitDB.go
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package crawler
import (
"crush/database"
"crush/utils"
"encoding/json"
"fmt"
"html"
"io"
"io/ioutil"
"log"
"net/http"
"os"
"path/filepath"
"strconv"
"strings"
"time"
)
const edbURL = "https://www.exploit-db.com/?draw=1&columns%5B0%5D%5Bdata%5D=date_published&columns%5B0%5D%5Bname%5D=date_published&columns%5B0%5D%5Bsearchable%5D=true&columns%5B0%5D%5Borderable%5D=true&columns%5B0%5D%5Bsearch%5D%5Bvalue%5D=&columns%5B0%5D%5Bsearch%5D%5Bregex%5D=false&columns%5B1%5D%5Bdata%5D=download&columns%5B1%5D%5Bname%5D=download&columns%5B1%5D%5Bsearchable%5D=false&columns%5B1%5D%5Borderable%5D=false&columns%5B1%5D%5Bsearch%5D%5Bvalue%5D=&columns%5B1%5D%5Bsearch%5D%5Bregex%5D=false&columns%5B2%5D%5Bdata%5D=application_md5&columns%5B2%5D%5Bname%5D=application_md5&columns%5B2%5D%5Bsearchable%5D=true&columns%5B2%5D%5Borderable%5D=false&columns%5B2%5D%5Bsearch%5D%5Bvalue%5D=&columns%5B2%5D%5Bsearch%5D%5Bregex%5D=false&columns%5B3%5D%5Bdata%5D=verified&columns%5B3%5D%5Bname%5D=verified&columns%5B3%5D%5Bsearchable%5D=true&columns%5B3%5D%5Borderable%5D=false&columns%5B3%5D%5Bsearch%5D%5Bvalue%5D=&columns%5B3%5D%5Bsearch%5D%5Bregex%5D=false&columns%5B4%5D%5Bdata%5D=description&columns%5B4%5D%5Bname%5D=description&columns%5B4%5D%5Bsearchable%5D=true&columns%5B4%5D%5Borderable%5D=false&columns%5B4%5D%5Bsearch%5D%5Bvalue%5D=&columns%5B4%5D%5Bsearch%5D%5Bregex%5D=false&columns%5B5%5D%5Bdata%5D=type_id&columns%5B5%5D%5Bname%5D=type_id&columns%5B5%5D%5Bsearchable%5D=true&columns%5B5%5D%5Borderable%5D=false&columns%5B5%5D%5Bsearch%5D%5Bvalue%5D=&columns%5B5%5D%5Bsearch%5D%5Bregex%5D=false&columns%5B6%5D%5Bdata%5D=platform_id&columns%5B6%5D%5Bname%5D=platform_id&columns%5B6%5D%5Bsearchable%5D=true&columns%5B6%5D%5Borderable%5D=false&columns%5B6%5D%5Bsearch%5D%5Bvalue%5D=&columns%5B6%5D%5Bsearch%5D%5Bregex%5D=false&columns%5B7%5D%5Bdata%5D=author_id&columns%5B7%5D%5Bname%5D=author_id&columns%5B7%5D%5Bsearchable%5D=false&columns%5B7%5D%5Borderable%5D=false&columns%5B7%5D%5Bsearch%5D%5Bvalue%5D=&columns%5B7%5D%5Bsearch%5D%5Bregex%5D=false&columns%5B8%5D%5Bdata%5D=code&columns%5B8%5D%5Bname%5D=code.code&columns%5B8%5D%5Bsearchable%5D=true&columns%5B8%5D%5Borderable%5D=true&columns%5B8%5D%5Bsearch%5D%5Bvalue%5D=&columns%5B8%5D%5Bsearch%5D%5Bregex%5D=false&columns%5B9%5D%5Bdata%5D=id&columns%5B9%5D%5Bname%5D=id&columns%5B9%5D%5Bsearchable%5D=false&columns%5B9%5D%5Borderable%5D=true&columns%5B9%5D%5Bsearch%5D%5Bvalue%5D=&columns%5B9%5D%5Bsearch%5D%5Bregex%5D=false&order%5B0%5D%5Bcolumn%5D=9&order%5B0%5D%5Bdir%5D=desc&search%5Bvalue%5D=&search%5Bregex%5D=false&author=&port=&type=&tag=&platform=&_=1701330571815"
var (
EdblogDir = filepath.Join(utils.GetCurrentPath(), "data", "exploitdb")
EdbUpdateInfoPath = filepath.Join(EdblogDir, "edb_update_info.log")
EdbPocDir = cfg.Exploitdb.EdbPocDir
)
var (
edbHeaders = map[string]string{
"Host": "www.exploit-db.com",
"Cookie": "CookieConsent={stamp:%27-1%27%2Cnecessary:true%2Cpreferences:true%2Cstatistics:true%2Cmarketing:true%2Cmethod:%27implied%27%2Cver:1%2Cutc:1698739761982%2Cregion:%27CN%27}; _ga=GA1.3.1653474217.1698739778; _ga_N0K6XSDCRJ=GS1.3.1701140915.4.0.1701140915.60.0.0; XSRF-TOKEN=eyJpdiI6ImJLMm92Z0ZTTmpJMXhlS0RKcFk4UGc9PSIsInZhbHVlIjoid2luTUZxTVJZbm1OazEyeXNmdlcxajhrelVRWmF0dmF2YWVVZHhuTnNiaxg4akNSWEpaMCtpYVJHOXk0V0ZwXC8iLCJtYWMiOiI4NjBjNDUwM2VmNmJlNzk4N2YwNDA1YzJjNmY5NGYwMjRlZWM5OGM3MzM1MmRjYzM0YmMwZTY5MzcwMDU1ZjYyIn0%3D; exploit_database_session=eyJpdiI6IlVBTVZHbGkyUlwvemxCUzQxeEFES05RPT0iLCJ2YWx1IjoiIlFzOFdhVjhyN1FKbWZaV3V6Tm5ORHYweXI0MmdvalozOEhzd0oxakFLcFVaQ2pmQWFSYVZGdVlpTThTeU94NWsiLCJtYWMiOiI1ZTMzZDc2YTc1MWI2ZThjMWU5M2RhNzAzNmY4YTdlMTViMDZhMzIzNjQ2NjQzMWU4M2QxNDBjMjU5NWIwNmRhIn0%3D",
"Sec-Ch-Ua": "",
"Accept": "application/json, text/javascript, */*; q=0.01",
"X-Requested-With": "XMLHttpRequest",
"Sec-Ch-Ua-Mobile": "?0",
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.111 Safari/537.36",
"Sec-Ch-Ua-Platform": "",
"Sec-Fetch-Site": "same-origin",
"Sec-Fetch-Mode": "cors",
"Sec-Fetch-Dest": "empty",
"Referer": "https://www.exploit-db.com/",
"Accept-Encoding": "gzip, deflate, br",
"Accept-Language": "zh-CN,zh;q=0.9",
}
)
func CheckEdbUpdate() string {
var result strings.Builder
updated := false
url := edbURL + "&start=0&length=60"
method := "GET"
client := &http.Client{}
req, err := http.NewRequest(method, url, nil)
if err != nil {
utils.PrintLog("error", "Error creating request:", err, "\n")
return ""
}
for key, value := range edbHeaders {
req.Header.Add(key, value)
}
res, err := client.Do(req)
if err != nil {
utils.PrintLog("error", "Error sending request:", err, "\n")
return ""
}
defer func(Body io.ReadCloser) {
err := Body.Close()
if err != nil {
utils.PrintLog("error", "Error closing connection:", err, "\n")
return
}
}(res.Body)
body, err := ioutil.ReadAll(res.Body)
if err != nil {
utils.PrintLog("error", "Error reading response:", err, "\n")
return ""
}
var data map[string]interface{}
if err := json.Unmarshal(body, &data); err != nil {
utils.PrintLog("error", "Error parsing into json:", err, "\n")
return ""
}
vulnerabilities := []Vulnerability{}
for _, item := range data["data"].([]interface{}) {
itemData := item.(map[string]interface{})
extractedData := map[string]interface{}{
"id": itemData["id"],
"description": itemData["description"],
"type_id": itemData["type_id"],
"platform_id": itemData["platform_id"],
"date_published": itemData["date_published"],
"verified": itemData["verified"],
"code": itemData["code"],
}
id, _ := strconv.Atoi(extractedData["id"].(string))
desc := html.UnescapeString(extractedData["description"].([]interface{})[1].(string))
typeId := extractedData["type_id"].(string)
platformId := extractedData["platform_id"].(string)
dateString := extractedData["date_published"].(string)
datePublished, _ := time.Parse("2006-01-02", dateString)
verified := int(extractedData["verified"].(float64))
codeByType := make(map[string][]interface{})
for _, codeItem := range extractedData["code"].([]interface{}) {
codeData := codeItem.(map[string]interface{})
codeType := codeData["code_type"].(string)
if codeType == "cve" || codeType == "osvdb" {
codeByType[codeType] = append(codeByType[codeType], strings.ToUpper(codeType)+"-"+codeData["code"].(string))
} else {
codeByType["others"] = append(codeByType["others"], strings.ToUpper(codeType)+"-"+codeData["code"].(string))
}
}
if datePublished.Year() == Yesterday.Year() && datePublished.Month() == Yesterday.Month() && datePublished.Day() == Yesterday.Day() {
updated = true
database.InsertEDB(id, desc, typeId, platformId, datePublished, verified, utils.ConvertToString(codeByType["cve"]), utils.ConvertToString(codeByType["osvdb"]), utils.ConvertToString(codeByType["others"]))
if DownloadPOC == true {
err = DownloadEdbPoc(id)
if err != nil {
log.Fatal("Download poc err", err)
}
}
url := "https://www.exploit-db.com/exploits/" + strconv.Itoa(id)
result.WriteString(fmt.Sprintf("%s %s\n", desc, utils.ConvertToString(codeByType["cve"])))
vulnerabilities = append(vulnerabilities, Vulnerability{
Name: desc,
CVE: utils.ConvertToString(codeByType["cve"]),
URL: url,
Source: "exploit-db",
})
}
}
if !updated {
result.WriteString("Already up to date.")
utils.PrintLog("info", "exploit-db is up to date")
} else {
utils.PrintLog("success", "exploit-db update")
jsonData, _ := json.MarshalIndent(vulnerabilities, "", " ")
utils.WriteToLog(string(jsonData), JsonlogPath)
}
utils.WriteToLog(Yesterday.Format("2006-01-02")+"\n"+result.String(), EdbUpdateInfoPath)
return result.String()
}
func DownloadEdbPoc(id int) error {
time.Sleep(time.Millisecond * 500)
pocurl := fmt.Sprintf("https://www.exploit-db.com/download/%d", id)
resp, err := http.Get(pocurl)
if err != nil {
return fmt.Errorf("failed to download POC: %v", err)
}
defer resp.Body.Close()
saveDir := fmt.Sprintf("%s%d", EdbPocDir, id)
err = os.MkdirAll(saveDir, 0755)
if err != nil && !os.IsExist(err) {
return fmt.Errorf("failed to create directory: %v", err)
}
contentDisposition := resp.Header.Get("Content-Disposition")
fileName := "poc"
if contentDisposition != "" {
idx := strings.Index(contentDisposition, "filename=")
if idx != -1 {
fileName = contentDisposition[idx+len("filename="):]
fileName = strings.Trim(fileName, "\" ")
}
}
savePath := filepath.Join(saveDir, fileName)
file, err := os.Create(savePath)
if err != nil {
return fmt.Errorf("failed to create file: %v", err)
}
defer file.Close()
_, err = io.Copy(file, resp.Body)
if err != nil {
return fmt.Errorf("failed to save file: %v", err)
}
return nil
}