VIRUS.WIN32.SALITY.GEN / Insecure Permissions

2021.03.24
us malvuln (US) us
Risk: Low
Local: Yes
Remote: No
CVE: N/A
CWE: N/A

Discovery / credits: Malvuln - malvuln.com (c) 2021 Original source: https://malvuln.com/advisory/423a5a63bed721e479c156b309bb58fd.txt Contact: malvuln13@gmail.com Media: twitter.com/malvuln Threat: Virus.Win32.Sality.gen Vulnerability: Insecure Permissions Description: Sality.gen creates a dir named "z_Drivers" under c:\ drive and grants change (C) permissions to the authenticated user group. Standard users can rename the "svchost.exe" executable dropped by the malware to disable it or replace it with their own executable. Then wait for a privileged user to logon to the infected machine to potentially escalate privileges. Type: PE32 MD5: 423a5a63bed721e479c156b309bb58fd Vuln ID: MVID-2021-0141 Dropped files: svchost.exe Disclosure: 03/23/2021 Exploit/PoC: C:\>cacls \z_Drivers C:\z_Drivers 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 z_Drivers Volume in drive C has no label. Directory of C:\z_Drivers 06/16/2012 01:14 AM 255,488 svchost.exe 1 File(s) 255,488 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).


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