mirror of https://github.com/daffainfo/nuclei.git
95 lines
2.5 KiB
Go
95 lines
2.5 KiB
Go
package main
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import (
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"fmt"
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"io"
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"os/exec"
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"strconv"
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"strings"
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"github.com/labstack/echo/v4"
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"github.com/labstack/echo/v4/middleware"
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"github.com/projectdiscovery/retryablehttp-go"
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)
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func main() {
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e := echo.New()
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e.Use(middleware.Recover())
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e.Use(middleware.Logger())
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e.GET("/", indexHandler)
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e.GET("/info", infoHandler)
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e.GET("/redirect", redirectHandler)
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e.GET("/request", requestHandler)
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e.GET("/email", emailHandler)
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e.GET("/permissions", permissionsHandler)
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if err := e.Start("localhost:8082"); err != nil {
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panic(err)
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}
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}
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var bodyTemplate = `<html>
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<head>
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<title>Fuzz Playground</title>
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</head>
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<body>
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%s
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</body>
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</html>`
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func indexHandler(ctx echo.Context) error {
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return ctx.HTML(200, fmt.Sprintf(bodyTemplate, `<h1>Fuzzing Playground</h1><hr>
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<ul>
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<li><a href="/info?name=test&another=value&random=data">Info Page XSS</a></li>
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<li><a href="/redirect?redirect_url=/info?name=redirected_from_url">Redirect Page OpenRedirect</a></li>
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<li><a href="/request?url=https://example.com">Request Page SSRF</a></li>
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<li><a href="/email?text=important_user">Email Page SSTI</a></li>
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<li><a href="/permissions?cmd=whoami">Permissions Page CMDI</a></li>
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</ul>
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`))
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}
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func infoHandler(ctx echo.Context) error {
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return ctx.HTML(200, fmt.Sprintf(bodyTemplate, fmt.Sprintf("Name of user: %s%s%s", ctx.QueryParam("name"), ctx.QueryParam("another"), ctx.QueryParam("random"))))
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}
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func redirectHandler(ctx echo.Context) error {
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url := ctx.QueryParam("redirect_url")
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return ctx.Redirect(302, url)
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}
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func requestHandler(ctx echo.Context) error {
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url := ctx.QueryParam("url")
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data, err := retryablehttp.DefaultClient().Get(url)
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if err != nil {
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return ctx.HTML(500, err.Error())
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}
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defer data.Body.Close()
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body, _ := io.ReadAll(data.Body)
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return ctx.HTML(200, fmt.Sprintf(bodyTemplate, string(body)))
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}
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func emailHandler(ctx echo.Context) error {
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text := ctx.QueryParam("text")
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if strings.Contains(text, "{{") {
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trimmed := strings.SplitN(strings.Trim(text[strings.Index(text, "{"):], "{}"), "*", 2)
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if len(trimmed) < 2 {
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return ctx.HTML(500, "invalid template")
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}
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first, _ := strconv.Atoi(trimmed[0])
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second, _ := strconv.Atoi(trimmed[1])
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text = strconv.Itoa(first * second)
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}
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return ctx.HTML(200, fmt.Sprintf(bodyTemplate, fmt.Sprintf("Text: %s", text)))
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}
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func permissionsHandler(ctx echo.Context) error {
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command := ctx.QueryParam("cmd")
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fields := strings.Fields(command)
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cmd := exec.Command(fields[0], fields[1:]...)
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data, _ := cmd.CombinedOutput()
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return ctx.HTML(200, fmt.Sprintf(bodyTemplate, string(data)))
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}
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