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Date: Fri, 25 Mar 2022 21:54:01 -0400
From: malvuln <>
Subject: [FD] Backdoor.Win32.Cafeini.b / Denial of Service

Discovery / credits: Malvuln - (c) 2022
Original source:

Threat: Backdoor.Win32.Cafeini.b
Vulnerability: Denial of Service
Family: Cafeini
Type: PE32
MD5: b24c56abb4bde960c2d51d4e509d2c68
Vuln ID: MVID-2022-0525
Disclosure: 03/25/2022
Description: The malware listens on TCP port 51966 and is packed by a
modified UPX implementation. Third-party adversaries who can reach an
infected system can terminate the malware by issuing the cmd DIEDIEDIE,
without being required to authenticate.

UPX1:004560B4 aDiediedie      db 'DIEDIEDIE',0        ; DATA XREF:
UPX1:004560B4                                         ; sub_40DB4D+255B
UPX1:004560BE                 align 10h

C:\>nc64.exe x.x.x.x 51966
 CAFEiNi 1.1
Enter your password:

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