Backdoor.Win32.Noknok.60 malware suffers from an insecure permissions vulnerability.
cc7c1dae57451133f8576fb4156cd43fDiscovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/ecaf6a123fdf1f5660692dfc4c67a933.txt
Contact: [email protected]
Media: twitter.com/malvuln
Threat: Backdoor.Win32.Noknok.60
Vulnerability: Insecure Permissions
Description: When generating an executable you can specify a directory to write the file, the malware then grants change (C) permissions to authenticated users group.
Type: PE32
MD5: ecaf6a123fdf1f5660692dfc4c67a933
Vuln ID: MVID-2021-0049
Disclosure: 01/23/2021
Exploit/PoC:
C:\>cacls c:\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
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