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Another interesting option is –P, which is used to specify a prefix for incoming data. Similar to cryptcat, the –k option is used to specify the shared secret key.
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SBD takes the same approach except encryption can be disabled completely via the –c option (– c off disables encryption, –c on is the default). With cryptcat, encryption is enabled by default, even if you do not specify a shared secret key.
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The delay can be set to zero seconds which provides identical behavior to the Windows Netcat –L option. The Windows version of Netcat provides the same functionality via the –L option, while the original *nix version offers no such option.
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You can also configure a delay in seconds before re-spawning, this delay could be useful to help slow down any attempts to brute force your listening process. The –r option allows you to tell SBD to re-spawn after a client disconnect instead of the default Netcat behavior, which is to shut down the server. Of course, this trick is not going to fool a statefull firewall, but having this increased control never hurts. This feature could allow you to get through a firewall by making the SBD session look like a reply to a friendly protocol such as DNS. SBD allows you to specify the source port via the –p option if you are running in client mode (in server mode, –p specifies the listening port as usual). While the basic operation of SBD remains much the same as the other Netcat-like tools, there are a couple of additional options that could be useful for transferring files. You can put a wrapper script around any version of Netcat to cause it to restart on *nix, but with SBD providing that functionality built-in, there is little need for such effort. If that is not enough reason, it offers encryption like cryptcat, and a respawn option, providing the –L functionality for both Windows and *nix hosts. This feature alone makes SBD a good candidate to settle on as your Netcat-like utility of choice. SBD is available for both Windows and *nix, with pre-compiled binaries included in the single g-zipped file from.
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This might happened if an error occurred during Windows setup or during installation of a Shadow Copy provider.Shadowinteger's Backdoor (SBD) is another Netcat variant, with all of the features of the original Netcat plus some new ones. Volume Shadow Copy Service error: A critical component required by the Volume Shadow Copy service is not registered. I also have installed carbonite but I doubt this is the cause as I did not encounter this problem on previous PCs
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I am using a Surface pro 4, windows 10 with up to the minute patches. I examined the application log and noticed that this error occurs periodically, not only when I try to create the drive. I first noticed it when I tried to create a recovery drive and the error simply said that "A problem occurred while creating the recovery drive" I am getting a bunch of errors in the application log related to the Volume Copy Service. Likely you aren't as inept as me with locating the reported malware file(s), but maybe you do have a tenacious bad guy that is either having trouble being cleaned up, yet hiding itself well, or that keeps re-infecting the system from another vector.
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Now why full scans from Defender doesn't find it, but real time access during backup does, is a separate issue. After futher investigation, turns out some symbolic links (folder aliases) I had created was confusing the issue and I finally did turn up the reported file (downloaded over 5 years ago!) that it was complaining about. My first clue was when I tried to redo the backup manually, I noticed the first step was "Create Shadow Volume." This made me think that Defender must not be so stupid after all, and perhaps it was catching something being copied from a source drive. The only references I could find in Windows Defender was to a path similar to Device\HarddiskVolumeShadowCopy5\Download\something.crx, and searching similar paths on my actual drives wasn't turning anything up. Windows Backup and Restore was reporting failed backups due to malware. I'm not sure that excluding a volume shadow copy is actually what you need to do. Exclude backups (Volume Shadow Copy) from Windows Defender