"Wanna" ransomware outbreak. Please see this Sophos article sophos.com/kb/126733 for advice on how to protect your organization. Immediate action recommended.
A utility called ObfuscationUtil.exe is provided with Enterprise Console. This utility enables you to hide usernames and passwords from other users on the system. The Sophos Anti-Virus setup program can use these obfuscated names as the credentials for automatic updates of Sophos Anti-Virus.
ObfuscationUtil.exe can be found in the unpacked installation folder C:\sec_xx\Tools.
ObfuscationUtil.exe --obfuscate <username> -w ObfuscationUtil.exe --obfuscate <password> -w
setup.exe -ouser <obfuscated username> -opwd <obfuscated password>
\\<servername>\SophosUpdate\CIDs\S000\SAVSCFXP\setup.exe -updp "\\<servername>\SophosUpdate\CIDs\S000\SAVSCFXP" -ouser <obfuscated username> -opwd <obfuscated password> -mng yes
When the setup program runs, it converts the obfuscated username and/or password to the real ones, and uses these as the credentials for automatic updating.
For more information on the command line parameters used with setup.exe, see knowledgebase article 12570.
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