์›น ๋„๊ตฌ - WFuzz

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์›น ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜์„ ์–ด๋””์„œ๋‚˜ FUZZํ•˜๋Š” ๋„๊ตฌ์ž…๋‹ˆ๋‹ค.

Wfuzz๋Š” ์›น ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜ ํ‰๊ฐ€ ์ž‘์—…์„ ์šฉ์ดํ•˜๊ฒŒ ํ•˜๊ธฐ ์œ„ํ•ด ๋งŒ๋“ค์–ด์กŒ์œผ๋ฉฐ, ๊ฐ„๋‹จํ•œ ๊ฐœ๋…์— ๊ธฐ๋ฐ˜ํ•ฉ๋‹ˆ๋‹ค: FUZZ ํ‚ค์›Œ๋“œ์— ๋Œ€ํ•œ ๋ชจ๋“  ์ฐธ์กฐ๋ฅผ ์ฃผ์–ด์ง„ ํŽ˜์ด๋กœ๋“œ์˜ ๊ฐ’์œผ๋กœ ๋Œ€์ฒดํ•ฉ๋‹ˆ๋‹ค.

์„ค์น˜

Kali์— ์„ค์น˜๋จ

Github: https://github.com/xmendez/wfuzz

pip install wfuzz

ํ•„ํ„ฐ๋ง ์˜ต์…˜

--hs/ss "regex" #Hide/Show
#Simple example, match a string: "Invalid username"
#Regex example: "Invalid *"

--hc/sc CODE #Hide/Show by code in response
--hl/sl NUM #Hide/Show by number of lines in response
--hw/sw NUM #Hide/Show by number of words in response
--hh/sh NUM #Hide/Show by number of chars in response
--hc/sc NUM #Hide/Show by response code

์ถœ๋ ฅ ์˜ต์…˜

wfuzz -e printers #Prints the available output formats
-f /tmp/output,csv #Saves the output in that location in csv format

์ธ์ฝ”๋” ์˜ต์…˜

wfuzz -e encoders #Prints the available encoders
#Examples: urlencode, md5, base64, hexlify, uri_hex, doble urlencode

์ธ์ฝ”๋”๋ฅผ ์‚ฌ์šฉํ•˜๋ ค๋ฉด โ€œ-wโ€ ๋˜๋Š” โ€œ-zโ€ ์˜ต์…˜์—์„œ ์ด๋ฅผ ์ง€์ •ํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.

์˜ˆ์‹œ:

-z file,/path/to/file,md5 #Will use a list inside the file, and will transform each value into its md5 hash before sending it
-w /path/to/file,base64 #Will use a list, and transform to base64
-z list,each-element-here,hexlify #Inline list and to hex before sending values

CheatSheet

๋กœ๊ทธ์ธ ํผ ๋ธŒ๋ฃจํŠธํฌ์Šค

POST, ๋‹จ์ผ ๋ชฉ๋ก, ํ•„ํ„ฐ ๋ฌธ์ž์—ด (์ˆจ๊ธฐ๊ธฐ)

wfuzz -c -w users.txt --hs "Login name" -d "name=FUZZ&password=FUZZ&autologin=1&enter=Sign+in" http://zipper.htb/zabbix/index.php
#Here we have filtered by line

POST, 2 ๋ชฉ๋ก, ํ•„ํ„ฐ ์ฝ”๋“œ (ํ‘œ์‹œ)

wfuzz.py -c -z file,users.txt -z file,pass.txt --sc 200 -d "name=FUZZ&password=FUZ2Z&autologin=1&enter=Sign+in" http://zipper.htb/zabbix/index.php
#Here we have filtered by code

GET, 2 ๋ชฉ๋ก, ํ•„ํ„ฐ ๋ฌธ์ž์—ด (ํ‘œ์‹œ), ํ”„๋ก์‹œ, ์ฟ ํ‚ค

wfuzz -c -w users.txt -w pass.txt --ss "Welcome " -p 127.0.0.1:8080:HTTP -b "PHPSESSIONID=1234567890abcdef;customcookie=hey" "http://example.com/index.php?username=FUZZ&password=FUZ2Z&action=sign+in"

Bruteforce Directory/RESTful bruteforce

Arjun ๋งค๊ฐœ๋ณ€์ˆ˜ ๋‹จ์–ด ๋ชฉ๋ก

wfuzz -c -w /tmp/tmp/params.txt --hc 404 https://domain.com/api/FUZZ

๊ฒฝ๋กœ ๋งค๊ฐœ๋ณ€์ˆ˜ BF

wfuzz -c -w ~/git/Arjun/db/params.txt --hw 11 'http://example.com/path%3BFUZZ=FUZZ'

ํ—ค๋” ์ธ์ฆ

๊ธฐ๋ณธ, 2 ๋ชฉ๋ก, ํ•„ํ„ฐ ๋ฌธ์ž์—ด (ํ‘œ์‹œ), ํ”„๋ก์‹œ

wfuzz -c -w users.txt -w pass.txt -p 127.0.0.1:8080:HTTP --ss "Welcome" --basic FUZZ:FUZ2Z "http://example.com/index.php"

NTLM, 2 ๋ชฉ๋ก, ํ•„ํ„ฐ ๋ฌธ์ž์—ด (ํ‘œ์‹œ), ํ”„๋ก์‹œ

wfuzz -c -w users.txt -w pass.txt -p 127.0.0.1:8080:HTTP --ss "Welcome" --ntlm 'domain\FUZZ:FUZ2Z' "http://example.com/index.php"

์ฟ ํ‚ค/ํ—ค๋” ๋ธŒ๋ฃจํŠธํฌ์Šค (vhost ๋ธŒ๋ฃจํŠธ)

์ฟ ํ‚ค, ํ•„ํ„ฐ ์ฝ”๋“œ (ํ‘œ์‹œ), ํ”„๋ก์‹œ

wfuzz -c -w users.txt -p 127.0.0.1:8080:HTTP --ss "Welcome " -H "Cookie:id=1312321&user=FUZZ"  "http://example.com/index.php"

User-Agent, ํ•„ํ„ฐ ์ฝ”๋“œ (์ˆจ๊ธฐ๊ธฐ), ํ”„๋ก์‹œ

wfuzz -c -w user-agents.txt -p 127.0.0.1:8080:HTTP --ss "Welcome " -H "User-Agent: FUZZ"  "http://example.com/index.php"

ํ˜ธ์ŠคํŠธ

wfuzz -c -w /usr/share/wordlists/SecLists/Discovery/DNS/subdomains-
top1million-20000.txt --hc 400,404,403 -H "Host: FUZZ.example.com" -u
http://example.com -t 100

HTTP Verbs (methods) bruteforce

ํŒŒ์ผ ์‚ฌ์šฉ

wfuzz -c -w methods.txt -p 127.0.0.1:8080:HTTP --sc 200 -X FUZZ "http://example.com/index.php"

์ธ๋ผ์ธ ๋ชฉ๋ก ์‚ฌ์šฉ

$ wfuzz -z list,GET-HEAD-POST-TRACE-OPTIONS -X FUZZ http://testphp.vulnweb.com/

๋””๋ ‰ํ† ๋ฆฌ ๋ฐ ํŒŒ์ผ ๋ธŒ๋ฃจํŠธํฌ์Šค

#Filter by whitelisting codes
wfuzz -c -z file,/usr/share/wordlists/dirbuster/directory-list-2.3-medium.txt --sc 200,202,204,301,302,307,403 http://example.com/uploads/FUZZ

์›น ์šฐํšŒ ๋„๊ตฌ

https://github.com/carlospolop/fuzzhttpbypass

Tip

AWS ํ•ดํ‚น ๋ฐฐ์šฐ๊ธฐ ๋ฐ ์—ฐ์Šตํ•˜๊ธฐ:HackTricks Training AWS Red Team Expert (ARTE)
GCP ํ•ดํ‚น ๋ฐฐ์šฐ๊ธฐ ๋ฐ ์—ฐ์Šตํ•˜๊ธฐ: HackTricks Training GCP Red Team Expert (GRTE) Azure ํ•ดํ‚น ๋ฐฐ์šฐ๊ธฐ ๋ฐ ์—ฐ์Šตํ•˜๊ธฐ: HackTricks Training Azure Red Team Expert (AzRTE)

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