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66 lines
1.3 KiB
66 lines
1.3 KiB
5 years ago
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#!/usr/bin/env bash
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# This script takes a payload and disguises it as an image.
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SCRIPTPATH="$( cd "$(dirname "$0")" ; pwd -P )"
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CURRENT=$(pwd)
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PAYLOAD="$1"
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IMAGETYPE="${2:-jpg}"
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# Make sure the image type is lower case
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IMAGETYPE=$(echo "$IMAGETYPE" | tr '[:upper:]' '[:lower:]')
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# This function prints the usage
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function printUsage(){
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echo "Usage: $(basename "$0") PAYLOAD TYPE"
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echo ""
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echo "Disguises a payload as an image"
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echo ""
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echo -e "PAYLOAD\t\tThe payload to use, currently only supports a file in CWD (Required)"
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echo -e "TYPE\t\tThe type of image (jpg, png, gif) (default: jpg)"
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}
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function getPayload(){
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local payload="$CURRENT/$PAYLOAD"
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echo "$payload"
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if [ -f "$payload" ]; then
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exit 0
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else
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# Add stuff here if we want to look in another folder for payloads at some point
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exit 1
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fi
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}
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function getTemplate(){
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local template="$SCRIPTPATH/templates/payload.$IMAGETYPE"
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echo "$template"
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if [ -f "$template" ]; then
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exit 0
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else
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exit 1
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fi
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}
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function getDestination(){
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echo "$CURRENT/$PAYLOAD.$IMAGETYPE"
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exit 0
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}
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if template=$(getTemplate); then
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if payload=$(getPayload); then
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# Do copy stuff
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destination=$(getDestination)
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cp "$template" "$destination"
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cat "$payload" >> $destination
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else
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"No such payload $payload"
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echo ""
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printUsage
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fi
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else
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echo "No such template $template"
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echo ""
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printUsage
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exit 1
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fi
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