de-guard.sh

#!/bin/bash

################################################
#Deguard Deobfuscation module by Munir Njiru"  #
################################################

echo "==================="  >> data/$file_/source/deobfuscated/deobf.log
echo " MARA Deobfuscator "  >> data/$file_/source/deobfuscated/deobf.log
echo "==================="  >> data/$file_/source/deobfuscated/deobf.log
echo "[+] Preparing environment" >> data/$file_/source/deobfuscated/deobf.log

cp data/$file_/$file_ data/$file_/source/deobfuscated
cd data/$file_/source/deobfuscated

sessionFile="session.key"
fileName=$file_ 
maxsize=16000    # 16MB
actualsize=$(du -k "$fileName" | cut -f1)

if [ $actualsize -ge $maxsize ]; then
	echo "    [-] File size is:" ${actualsize} "KB"  >> deobf.log
	echo "[NOTE] APK size is over 16 MB , deobfuscation module will now exit sorry :("  >> deobf.log		
	exit
else
	begin=$(date +"%s")	
	echo "File size is:" ${actualsize} "KB"  >> deobf.log
	echo "[INFO] - Done"
	echo  " " >> deobf.log

	echo "[+] Uploading APK For Analysis"  >> deobf.log
	curl --progress-bar --form "file=@${fileName}" "http://www.apk-deguard.com/upload" | cut -d '"' -f 8 > ${sessionFile} 
    	echo "    [-] Upload complete..."  >> deobf.log
	echo "    [-] Session key saved in: "$sessionFile  >> deobf.log
	echo "    [-] Reading session key"  >> deobf.log
	read -d $'\x04' line < "$sessionFile" 
   	echo " "  >> deobf.log

    	echo "[+] Deobfuscating $file_ ...please wait!!"  >> deobf.log
   	sleep 30

	FetchRoot="http://www.apk-deguard.com/fetch?fp="

	#Fetching mapping file
	fetchMapping="&q=mapping" 
	echo "    [-] Downloading mapping file" >> deobf.log
	mapping=`curl --progress-bar "${FetchRoot}${line}${fetchMapping}"`
	count=0

	while [ -z "$mapping" ] && [ $count -le 10 ]; do
		echo "      [-] Retrying in 30 seconds" >> deobf.log
		sleep 30
		((count++))
	done
	
	if [ $count -eq 11 ]; then
		echo "    [NOTE] Deobfuscation is taking too long, check the validity of your apk!!" >> deobf.log
		exit
	else
	
	echo $mapping > mapping-${fileName}.txt
	echo "    [INFO] - Done" >> deobf.log
	echo " " >> deobf.log

	#Fetching source file
	fetchSource="&q=src" 
	echo "    [-] Downloading source file"	>> deobf.log
	curl --progress-bar "${FetchRoot}${line}${fetchSource}" --output source-${fileName}.zip 
	
	zipsize=$(du "source-${fileName}.zip" | cut -f1)

	while [ ${zipsize} -eq 0 ]; do
		echo "      [-] Retrying in 30 seconds" >> deobf.log
		sleep 30
		curl --progress-bar "${FetchRoot}${line}${fetchSource}" --output source-${fileName}.zip
		zipsize=$(du "source-${fileName}.zip" | cut -f1)
	done
        
	unzip -q -d source-${fileName} source-${fileName}.zip 
  	rm -r source-${fileName}.zip
	echo "    [INFO] - Done" >> deobf.log
	echo " " >> deobf.log

	#Fetching deobfusctated apk file
	fetchApk="&q=apk" 
	echo "    [-] Downloading APK file" >> deobf.log
	ApkFile=$(curl --progress-bar "${FetchRoot}${line}${fetchApk}" --output "deobfuscated-${fileName}")    
	echo $ApkFile  
	echo "    [INFO] - Done" >> deobf.log
	echo " " >> deobf.log

	echo "[INFO] - Deobfuscation complete..." >> deobf.log	
 	rm $file_
	termin=$(date +"%s")
	difftimelps=$(($termin-$begin))
	echo "    [-] $(($difftimelps / 60)) minutes and $(($difftimelps % 60)) seconds elapsed for deobfuscation." >> deobf.log;  
	exit

    	cd ../../../../

        fi
        
        fi

fi

exit