exploit the possibilities

Backdoor.Win32.Bifrose.ahvb Insecure Permissions

Backdoor.Win32.Bifrose.ahvb Insecure Permissions
Posted Feb 16, 2021
Authored by malvuln | Site malvuln.com

Backdoor.Win32.Bifrose.ahvb malware suffers from an insecure permissions vulnerability.

tags | exploit
systems | windows
MD5 | 2086df96f2efa71a3d445e0872eff9bc

Backdoor.Win32.Bifrose.ahvb Insecure Permissions

Change Mirror Download
Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/39e22b8b19f6aed59d2def00c4228d56.txt
Contact: malvuln13@gmail.com
Media: twitter.com/malvuln

Threat: Backdoor.Win32.Bifrose.ahvb
Vulnerability: Insecure Permissions
Description: The backdoor creates an insecure dir named "Temp" under c:\ drive, granting change (C) permissions to the authenticated user group.
Type: PE32
MD5: 39e22b8b19f6aed59d2def00c4228d56
Vuln ID: MVID-2021-0090
Dropped files: iwbfh482008c.exe
Disclosure: 02/15/2021

Exploit/PoC:
C:\>cacls \Temp
C:\Temp BUILTIN\Administrators:(OI)(CI)(ID)F
NT AUTHORITY\SYSTEM:(OI)(CI)(ID)F
BUILTIN\Users:(OI)(CI)(ID)R
NT AUTHORITY\Authenticated Users:(ID)C
NT AUTHORITY\Authenticated Users:(OI)(CI)(IO)(ID)C


C:\>dir \Temp
Volume in drive C has no label.

Directory of C:\Temp

02/14/2021 10:01 PM <DIR> .
02/14/2021 10:01 PM <DIR> ..
02/14/2021 10:01 PM 689,664 iwbfh482008c.exe
1 File(s) 689,664 bytes


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).
Login or Register to add favorites

File Archive:

March 2021

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Mar 1st
    19 Files
  • 2
    Mar 2nd
    15 Files
  • 3
    Mar 3rd
    30 Files
  • 4
    Mar 4th
    0 Files
  • 5
    Mar 5th
    0 Files
  • 6
    Mar 6th
    0 Files
  • 7
    Mar 7th
    0 Files
  • 8
    Mar 8th
    0 Files
  • 9
    Mar 9th
    0 Files
  • 10
    Mar 10th
    0 Files
  • 11
    Mar 11th
    0 Files
  • 12
    Mar 12th
    0 Files
  • 13
    Mar 13th
    0 Files
  • 14
    Mar 14th
    0 Files
  • 15
    Mar 15th
    0 Files
  • 16
    Mar 16th
    0 Files
  • 17
    Mar 17th
    0 Files
  • 18
    Mar 18th
    0 Files
  • 19
    Mar 19th
    0 Files
  • 20
    Mar 20th
    0 Files
  • 21
    Mar 21st
    0 Files
  • 22
    Mar 22nd
    0 Files
  • 23
    Mar 23rd
    0 Files
  • 24
    Mar 24th
    0 Files
  • 25
    Mar 25th
    0 Files
  • 26
    Mar 26th
    0 Files
  • 27
    Mar 27th
    0 Files
  • 28
    Mar 28th
    0 Files
  • 29
    Mar 29th
    0 Files
  • 30
    Mar 30th
    0 Files
  • 31
    Mar 31st
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2020 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close