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hak5
GitHub Repository: hak5/usbrubberducky-payloads
 Path: blob/master/payloads/library/execution/Randomizing_User-Agent_in_Google_Chrome/payload.txt
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REM_BLOCK

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#############################################################

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#                                                           #

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# Title        : Randomizing User-Agent in Google Chrome    #

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# Author       : Aleff                                      #

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# Version      : 1.0                                        #

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# Category     : Execution                                  #

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# Target       : Chrome on Linux (Tested on Ubuntu)         #

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#                                                           #

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#############################################################

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END_REM

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REM Replace it with your sudo user password

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DEFINE #SUDO_PSWD example

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REM May it depends...

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DEFAULT_DELAY 250

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REM Define if you want to erase the tracks of your commands

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DEFINE I_WANT_TO_ERASE_THE_SHELL_TRACKS FALSE

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REM_BLOCK

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    Credits:    Hak5 LLC

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    Website:    https://hak5.org/

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    Source:     https://github.com/hak5/usbrubberducky-payloads/blob/master/payloads/extensions/detect_ready.txt

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END_REM

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EXTENSION DETECT_READY

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    REM VERSION 1.1

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    REM AUTHOR: Korben

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    REM_BLOCK DOCUMENTATION

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        USAGE:

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            Extension runs inline (here)

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            Place at beginning of payload (besides ATTACKMODE) to act as dynamic

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            boot delay

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        TARGETS:

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            Any system that reflects CAPSLOCK will detect minimum required delay

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            Any system that does not reflect CAPSLOCK will hit the max delay of 3000ms

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    END_REM

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    REM CONFIGURATION:

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    DEFINE #RESPONSE_DELAY 25

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    DEFINE #ITERATION_LIMIT 120

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    VAR $C = 0

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    WHILE (($_CAPSLOCK_ON == FALSE) && ($C < #ITERATION_LIMIT))

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        CAPSLOCK

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        DELAY #RESPONSE_DELAY

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        $C = ($C + 1)

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    END_WHILE

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    CAPSLOCK

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END_EXTENSION

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CTRL-ALT t

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DELAY 1000

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STRINGLN_BASH

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    echo '#!/bin/bash' > .randomize_user_agent

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    echo 'UA=$(torify curl "https://user-agents.net/random" -H "content-type: application/x-www-form-urlencoded" -H "referer: https://user-agents.net/random" --data-raw "limit=1&action=generate")' >> .randomize_user_agent

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    echo 're="<li><a href=\".+\">(.+)<\/a><\/li>"' >> .randomize_user_agent

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    echo 'if [[ $UA =~ $re ]]; then

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        /usr/bin/google-chrome-stable --user-agent="${BASH_REMATCH[1]}"

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    else

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        /usr/bin/google-chrome-stable

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    fi' >> .randomize_user_agent

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    sudo chmod +x .randomize_user_agent

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END_STRINGLN

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DELAY 750

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STRINGLN_BASH

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    #SUDO_PSWD

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    NEW_STRING="/home/$(whoami)/.randomize_user_agent"

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    awk -v new="$NEW_STRING" '{gsub("/usr/bin/google-chrome-stable", new)}1' /usr/share/applications/google-chrome.desktop > tmp

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    sudo tee /usr/share/applications/google-chrome.desktop < tmp

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    gtk-update-icon-cache

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END_STRINGLN

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IF_DEFINED_TRUE #I_WANT_TO_ERASE_THE_SHELL_TRACKS

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    STRINGLN rm $HISTFILE; exit

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END_IF_DEFINED

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