iodine
Tinyproxy
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iodine | Tinyproxy | |
---|---|---|
58 | 3 | |
5,787 | 4,513 | |
- | 1.5% | |
5.1 | 4.8 | |
5 months ago | 3 months ago | |
C | C | |
ISC License | GNU General Public License v3.0 only |
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iodine
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DNS Exfiltration Tool
Obligatory dns tunnel software for exfil. It is super noisy if you do dns querylogging, so I'd not use it for anything major, but it is a fun research tool.
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Fun with DNS TXT Records
It's worth noting that you (re) invented what iodine does: https://code.kryo.se/iodine/
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WiFi without internet on a Southwest flight
(https://github.com/yarrick/iodine)
It’s slow, but it works and is a handy “last resort” tool.
I've noticed that airline wifi doesn't block DNS traffic. You can likely accomplish the same thing with a DNS tunnel like Iodine (https://github.com/yarrick/iodine).
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Russia starts blocking VPN at the protocol (WireGuard, OpenVPN) level
While working in an environment where VPN connections were pretty much all blocked⁰ a friend of mine had success using https://guacamole.apache.org/ to access a remote machine¹. Not quite the same as a direct VPN connection but worth a try if nothing else functions, it looks enough like normal HTTPS traffic that he got away with it.
To keep your wireguard setup more as-is, you could try https://kirill888.github.io/notes/wireguard-via-websocket/ to tunnel that via a web server. In fact https://github.com/erebe/wstunnel which that uses could be used just as well with any other UDP based VPN.
I once tinkered with https://github.com/yarrick/iodine and successfully connected to resources over the wireless on a train, bypassing its traffic capture and sign-up requirement, so that might be an option, though I think fully blocking external DNS is more common now so this is less likely to work²³.
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[0] practically only HTTP(S) permitted, not even SSH, DPI in use that detected just using SSH or OpenVPN over port 443
[1] NOTE: be careful breaching restrictions like this, you are at risk of an insta-sacking if discovered, or worse if operating in some securiry environments!
[2] and the latency when it does work is significant!
[3] and that much traffic over port 53 might get noticed by the heuristics of data exfiltration scanner, encouraging sysadmins to notice and implement a way to block it
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Show HN: File distribution over DNS: (ab)using DNS as a CDN
There's also iodine, a C program that tunnels IPv4 packets over DNS. Useful for bypassing captive portals on wifi, since DNS usually isn't restricted.
https://github.com/yarrick/iodine
Regarding cloudflare DNS over HTTPS: It could be that it tries to server data encoded as JSON, which is impossible in JSON. Some control characters and bytes 128-255 cannot be represented as JSON strings.
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Show HN: Use DNS TXT to share information
A regular proxy on port 53 might work? Is it necessary to actually use DNS?
Otherwise there's https://github.com/yarrick/iodine
Get ready for iodine
https://github.com/yarrick/iodine
Or IP-over-DNS
- Anything can be a message queue if you use it wrongly enough
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help with choosing a VPN to host (I'll explain)
Well, you're really exhausting your options here (and possibly your IT department's patience). Iodine would still be an option, it creates a tunnel through DNS traffic. Nearly impossible to block/filter out but you shouldn't expect a lot of bandwidth. Try it out! Although if you're only going to use low-bandwidth applications through the tunnel anyway you might as well use your own mobile data plan instead of your school's WLAN.
Tinyproxy
We haven't tracked posts mentioning Tinyproxy yet.
Tracking mentions began in Dec 2020.
What are some alternatives?
Squid - Squid Web Proxy Cache
miniProxy
socks5-proxy-server - SOCKS5 proxy server
Nginx Proxy Manager - Docker container for managing Nginx proxy hosts with a simple, powerful interface
traefik - The Cloud Native Application Proxy
dnscat2
Swiperproxy - A Python-based HTTP/HTTPS-proxy.
http2-serverpush-proxy - A simple standalone reverse proxy that automatically enables server-push for assets related to a HTTP response.
Pound - The Pound program is a reverse proxy, load balancer and HTTPS front-end for Web server(s).
PHP-Proxy - Proxy Application built on php-proxy library ready to be installed on your server