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Apply Powershell Import comments #18

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I have removed the traces of ". " is not required on the command line after -c or -Command.

I have removed the usage of " around the executable. The main reasons for this is if " is filtered or ' is filtered it should be easier to gsub them in an exploit.

I have moved the byte buffer text creation to the Rex module and directed Rex::Text to this.

I have added -nop -ep bypass and -w hidden to all the commands

I have reverted Util::Exe to upstream

# Wrap in hidden runtime
psh_payload = run_hidden_psh(psh_payload,ps_bin)
# Convert to base64 for -encodedcommand execution
command = "%COMSPEC% /B /C start powershell.exe -Command \"#{psh_payload.gsub("\n",';').gsub('"','\"')}\"\r\n"
command = "%COMSPEC% /B /C start /min powershell.exe -w hidden -nop -ep bypass -c #{psh_payload}\r\n"
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Note to self I probably dont need Execution Policy bypass on commands!

sempervictus pushed a commit that referenced this pull request Oct 29, 2013
sempervictus pushed a commit that referenced this pull request Sep 23, 2015
sempervictus pushed a commit that referenced this pull request Jul 4, 2018
Goliath Cleanup in preparation for merge to master
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