Email-Worm.Win32.Sircam.eb Insecure Permissions

CVE Category Price Severity
N/A CWE-276 $500 High
Author Risk Exploitation Type Date
Unknown High Local 2021-02-08
Our sensors found this exploit at:

Below is a copy:

Email-Worm.Win32.Sircam.eb Insecure Permissions
Discovery / credits: Malvuln - (c) 2021
Original source:
Contact: [email protected]

Threat: Email-Worm.Win32.Sircam.eb
Vulnerability: Insecure Permissions EoP
Description: Sircam.eb creates a vuln dir under c:\ drive named "Windupdt" and drops an exe named "winupdate.exe". Grants change (C) permissions to authenticated users group.
Type: PE32
MD5: cd88a9b686acd9ccf23dba8d248129b4
Vuln ID: MVID-2021-0070
Dropped files: winupdate.exe
Disclosure: 02/06/2021

C:\>cacls \Windupdt
C:\Windupdt BUILTIN\Administrators:(OI)(CI)(ID)F
            NT AUTHORITY\Authenticated Users:(ID)C
            NT AUTHORITY\Authenticated Users:(OI)(CI)(IO)(ID)C

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