folder reorganization
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cttynul
1818
tools/UserAgent.csv
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1818
tools/UserAgent.csv
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File diff suppressed because it is too large
Load Diff
226
tools/megacrypter.sh
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226
tools/megacrypter.sh
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#!/bin/bash
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VERSION="0.8"
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MEGA_API_URL="https://g.api.mega.co.nz"
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MEGA_API_KEY=""
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MC_API_URL="http://megacrypter.com/api"
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OPENSSL_AES_CTR_DEC="openssl enc -d -aes-128-ctr"
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OPENSSL_AES_CBC_DEC="openssl enc -a -A -d -aes-128-cbc"
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WATCH_DIR="."
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WATCHDOG_SLEEP_SECS=5
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DOWNLOAD_STOP_FILE="force_stop.tmp"
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DOWNLOAD_FINISHED_FILE="download_finished.tmp"
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# 1:download url
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function watchdog {
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echo -e "Watchdog loaded!\n"
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WATCHDOG=true
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while [ $WATCHDOG ] && [ "$res" != "$DOWNLOAD_STOP_FILE" ]; do
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sleep $WATCHDOG_SLEEP_SECS
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res=$(ls "$DOWNLOAD_STOP_FILE" 2>&1)
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done
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if [ $WATCHDOG ]
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then
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WATCHDOG=false
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pid=$(pgrep -f "$1")
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kill -s 9 "$pid"
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else
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rm "${WATCH_DIR}/${DOWNLOAD_FINISHED_FILE}"
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fi
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echo -e "Watchdog bye bye!\n"
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}
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# 1:json_string 2:index
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function json_param {
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echo -ne "$1" | tr -d '\n' | perl -pe "s/^.*\"$2\" *?\: *?([0-9]+|true|false|\".*?(?<!\\\\)\").*?$/\1/s" | perl -pe "s/^\"(.+)\"$/\1/" | tr -d '\\'
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}
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# 1:b64_encoded_String
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function b64_pad {
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b64=$(echo -ne "$1" | tr '\-_' '+/')
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pad=$(((4-${#1}%4)%4))
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for i in $(seq 1 $pad)
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do
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b64="${b64}="
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done
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echo -n "$b64"
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}
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# 1:string
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function md5 {
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echo -n "$1" | md5sum | tr -d -c [:alnum:]
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}
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# 1:pass 2:double_md5 3:salt
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function is_valid_pass {
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if [ $(md5 "$3$(md5 "$1")$3") != $2 ]
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then
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echo -n "0"
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else
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echo -n "1"
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fi
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}
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# 1:hex_raw_key
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function hrk2hk {
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key[0]=$(( 0x${1:0:16} ^ 0x${1:32:16} ))
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key[1]=$(( 0x${1:16:16} ^ 0x${1:48:16} ))
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printf "%016x" ${key[*]}
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}
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echo -e "\nThis is MEGA-DOWN $VERSION"
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if [ -z $1 ]
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then
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echo -e "\n$0 <mega_url|mc_url> [output_file] [mc_url_pass]\n\nNote: use '-' for output to STDOUT\n"
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else
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if [ $(echo -n $1 | grep -E -o 'mega\.co\.nz') ]
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then
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#MEGA.CO.NZ LINK
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file_id=$(echo -n $1 | perl -pe "s/^.*\/#!(.+)!.*$/\1/s")
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file_key=$(echo -n $1 | perl -pe "s/^.*\/#!.+!(.*)$/\1/s")
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hex_raw_key=$(echo -n $(b64_pad $file_key) | base64 -d -i 2>/dev/null | od -An -t x1 | tr -d '\n ')
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mega_req_url="${MEGA_API_URL}/cs?id=$seqno&ak=$MEGA_API_KEY"
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mega_req_json="[{\"a\":\"g\", \"p\":\"$file_id\"}]"
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mega_res_json=$(curl -s -X POST --data-binary "$mega_req_json" "$mega_req_url")
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if [ $(echo -n "$mega_res_json" | grep -E -o '\[\-[0-9]\]') ]
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then
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error_code=$(echo -n "$mega_res_json" | perl -pe "s/^.*\[(.*?)\].*$/\1/s")
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echo -e "\nMEGA ERROR: $error_code\n" 1>&2
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exit
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else
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file_size=$(json_param "$mega_res_json" s)
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at=$(json_param "$mega_res_json" at)
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hex_key=$(hrk2hk "$hex_raw_key")
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at_dec_json=$(echo -n $(b64_pad "$at") | $OPENSSL_AES_CBC_DEC -K $hex_key -iv "00000000000000000000000000000000" -nopad)
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if [ $(echo -n "$at_dec_json" | grep -E -o 'MEGA') ]
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then
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file_name=$(json_param "$(echo -n $(b64_pad "$at") | $OPENSSL_AES_CBC_DEC -K $hex_key -iv "00000000000000000000000000000000" -nopad)" n)
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mega_req_json="[{\"a\":\"g\", \"g\":\"1\", \"p\":\"$file_id\"}]"
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mega_res_json=$(curl -s -X POST --data-binary "$mega_req_json" "$mega_req_url")
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dl_temp_url=$(json_param "$mega_res_json" g)
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else
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echo -e "\nMEGA ERROR: bad link\n" 1>&2
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exit
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fi
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fi
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else
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#MEGACRYPTER LINK
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info_link=$(curl -s -X POST --data-binary "{\"m\":\"info\", \"link\":\"$1\"}" "$MC_API_URL")
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if [ $(echo $info_link | grep '"error"') ]
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then
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error_code=$(json_param "$info_link" error)
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echo -e "\nMEGACRYPTER ERROR: $error_code\n" 1>&2
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else
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if [ -z $2 ]
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then
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file_name=$(json_param "$info_link" name)
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else
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file_name="$2"
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fi
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pass=$(json_param "$info_link" pass)
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if [ $pass != "false" ]
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then
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arr_pass=(${pass//#/ })
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pass_double_md5=${arr_pass[0]}
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pass_salt=${arr_pass[1]}
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pass=""
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if [ $3 ]
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then
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pass="$3"
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if [ $(is_valid_pass $pass $pass_double_md5 $pass_salt) -eq 0 ]
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then
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pass=""
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fi
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fi
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if [ -z $pass ]
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then
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read -e -p "Link is password protected. Enter password: " pass
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until [ $(is_valid_pass $pass $pass_double_md5 $pass_salt) -eq 1 ]; do
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read -e -p "Wrong password! Try again: " pass
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done
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fi
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hex_raw_key=$(echo -n $(b64_pad $(json_param "$info_link" key)) | $OPENSSL_AES_CBC_DEC -K $(md5 "$pass") -iv "00000000000000000000000000000000" | od -An -t x1 | tr -d '\n ')
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if [ -z $2 ]
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then
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file_name=$(echo -n $(b64_pad "$file_name") | $OPENSSL_AES_CBC_DEC -K $(md5 "$pass") -iv "00000000000000000000000000000000")
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fi
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else
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hex_raw_key=$(echo -n $(b64_pad $(json_param "$info_link" key)) | base64 -d -i 2>/dev/null | od -An -t x1 | tr -d '\n ')
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fi
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file_size=$(json_param "$info_link" size)
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hex_key=$(hrk2hk "$hex_raw_key")
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dl_link=$(curl -s -X POST --data-binary "{\"m\":\"dl\", \"link\":\"$1\"}" "$MC_API_URL")
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dl_temp_url=$(json_param "$dl_link" url)
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fi
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fi
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watchdog $dl_temp_url &
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echo -e "Downloading...!\n"
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if [ "$2" != "-" ]
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then
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hex_iv="${hex_raw_key:32:16}0000000000000000"
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curl -s $dl_temp_url | $OPENSSL_AES_CTR_DEC -K $hex_key -iv $hex_iv > "${file_name}"
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else
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hex_iv="${hex_raw_key:32:16}0000000000000000"
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curl -s $dl_temp_url | $OPENSSL_AES_CTR_DEC -K $hex_key -iv $hex_iv
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fi
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if [ $WATCHDOG ]
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then
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WATCHDOG=false
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echo -e "\nFILE DOWNLOADED :)!\n"
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touch "${WATCH_DIR}/${DOWNLOAD_FINISHED_FILE}"
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else
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echo -e "\nFILE DOWNLOAD STOPPED!\n"
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rm "${WATCH_DIR}/${DOWNLOAD_STOP_FILE}"
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fi
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fi
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