Submeter #7577: TROJAN.WIN32.COSPET.ABG / Insecure Permissions EoP

Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/5f5b308853b9aa9243390c135ff6ba1b.txt
Contact: [email protected]
Media: twitter.com/malvuln

Threat: Trojan.Win32.Cospet.abg
Vulnerability: Insecure Permissions EoP
Description: Cospet.abg, creates an vulnerable dir named "dir" under c:\ drive granting change (C) permissions to the authenticated users group. Sends SYN packet to TCP port 2185.
Type: PE32
MD5: 5f5b308853b9aa9243390c135ff6ba1b
Vuln ID: MVID-2021-0069
Dropped files: Lsas.exe
Disclosure: 02/06/2021

Exploit/PoC:
C:\>cacls \dir
C:\dir 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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• Fonte: ⚠️ https://www.malvuln.com/advisory/5f5b308853b9aa9243390c135ff6ba1b.txt
• Utilizador: malvuln (UID 14984)
• Submissão: 10/02/2021 06h15 (há 5 anos)
• Moderação: 10/02/2021 12h34 (6 hours later)
• Estado: Aceite
• Entrada VulDB: 169648 [Trojan.Win32.Cospet.abg Service Port 2185 C:\dir Elevação de Privilégios]
• Pontos: 20