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Trojan-Spy.Win32.SpyEyes.auwl / Insecure Permissions EoP

CVE Category Price Severity
N/A CWE-296 N/A High
Author Risk Exploitation Type Date
Unknown High Local 2021-02-12
CPE
cpe:cpe:/o:microsoft:windows
CVSS EPSS EPSSP
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H 0.02192 0.50148

CVSS vector description

Our sensors found this exploit at: https://cxsecurity.com/ascii/WLB-2021020056

Below is a copy:

Trojan-Spy.Win32.SpyEyes.auwl / Insecure Permissions EoP
Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/0115ba22a0d009a13d0748027dd62e2a.txt
Contact: [email protected]
Media: twitter.com/malvuln

Threat: Trojan-Spy.Win32.SpyEyes.auwl
Vulnerability: Insecure Permissions EoP
Description: SpyEyes creates a vuln dir named "cleansweep.exe" under c:\ drive and drops an exe inside also named "cleansweep.exe". The vulnerable trojan grants change (C) permissions to authenticated users group.
Type: PE32
MD5: 0115ba22a0d009a13d0748027dd62e2a
Vuln ID: MVID-2021-0075
Dropped files: cleansweep.exe, config.bin
Disclosure: 02/06/2021

Exploit/PoC:
C:\>cacls \cleansweep.exe
C:\cleansweep.exe 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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