Mangling TTL for Unlimited Data on the Road w/Glytch
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- Опубликовано: 22 авг 2024
- Hak5 -- Cyber Security Education, Inspiration, News & Community since 2005:
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Glytch is back again with more adventures from the road...
...How exactly DOES he bring us all these videos from the road? In this video he talks about how he stays connected using a little trick to get unlimited LTE data, this time on Hak5!
Command for MUDI: "iptables -t mangle -I POSTROUTING 1 -j TTL --ttl-set 66"
Glytch's Website: glytch.tech
Glytch's Twitter: / glytchtech
Glytch's Instagram: / glytchtech
GL.Inet MUDI: amzn.to/3p767mR
Netgear LB1120 (Needs to be put into bridge mode, and connected to a router or Pineapple Mk7): amzn.to/3p9fhPH
As an Amazon Associate, Glytch earns from qualifying purchases through the above links, at no extra cost to you:.
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Founded in 2005, Hak5's mission is to advance the InfoSec industry. We do this through our award winning educational podcasts, leading pentest gear, and inclusive community - where all hackers belong.
Glytch is basically that guy from the X-files. You know the one I'm talking about
Hello wonderful person! Also very true lol
All 3 of them?
The truth is out! There!
You mean the 1 w the j & silent bob cameo?
@@Dong_Harvey The trio called themselves The Lone Gunmen"
TTL is time to live (live as in Live and let die or Live don't die) just thought everyone watching should know.
Good information though, thanks.
I've always said live. I know you're technically correct, but old habits die hard.
Also, I'm in the "it's pronounced *gif" camp.
Lol. What I learn from this is that most people are self taught. Which is awesomee
@@allahbole No, obviously GIF is pronounced GIF. Don’t be a heretic.
Min: 2:35 Well. He actually said life and not live, so he might be talking about a different TTL 😉
@@Manuel-1337 your are wrong my friend he definitely says time to live not life 😉
Actually, here in Russia i have an unlimited data plan for a smartphone. The thing is - not only does provider scan TTL, but they also check which ips packets are directed to. They check for stuff like steam, windows updates, etc.
That's why i have to use either hosts file or vpn/proxies.
Still worth it for $5.
@@dadsfads you can buy euro phones options like blackview phone. Or universal dual sim blackview that can be used in usa and europe. Use phone as hotspot. Buy a sim when you arrive
Oh my, I just learned about the fact that internet providers can see through the TTL if a router or a phone is connected. And now i see this video that the fact I just described is completely irrelevant because of just what Glytch showed us. A problem i just acknowledged got beaten down by a video i just saw, this is fantastic. x) Thanks Glytch we get smarter every day
What?!? I cant believe that's how they could tell. I thought it was something much more complex. I also think its hilarious how you say time to live lol
The telecom companies in Europe sometimes use the IMEI of the device as an identifier as well. This is a old, but very good trick. Mangling the TTL can also be used for "other" things..
@@t.w.3 Other things? Sorry if I'm being tone deaf but could point me in a direction?
@@liquicitizendirk2147 Well. Back in "pre-y2k" times mangling the TTL could have benefits against some types of firewall and stateful inspection type protections...
Because it is more complex. It's too complex to put in a post, but here is some. . The UE registers on the network, there are checks an challenges in the setup that have to do with the imei, timsi, and gutti. There is a configuration message sent by the UE that tells the system what catagory of device it is, and capabilities. That way the EnodeB knows how many mimo layers to use, or what other channels can be included in carrier aggrigation, including the 5g layer (yup, 5G is simply a aggrigation layer) . There are many other things like drx sleep time to save battery life, ect. Your phone will have many radio bearers established in a so called context. Where voice may go on a high priority Qci1 bearer, data goes on a best effort QCI5 bearer. Throttled data, and depending on the setup, tethered data, goes on a QCI8-9 bearer, and is handled every x cycles of the scheduler. If the load is small, it shouldn't make a difference, but the load is never small. Every second the phone and system send layer 2 messages by the hundreds. Everything is known. Who you are, where you are, how fast you are going, what sites you look at, where you shop, and what you masterbate to. A fool living in his van isn't going to get past it.
I feel that Glytch's videos perfectly capture the spirit of what hak5 is.
This has been super informative man, thanks! One question though, could one do this on an Android device? Like, let's say I have my regular phone which I use throughout the day, then I have my dedicated Android device which I can pop my sim into and turn into a hotspot.
I would say likely this is possible if your Android device is rooted.
You'd need root to even test it.
An app call pda net check it out
Why would you need to trick your network that you're using a phone while your using a phone?
@@liamkay8470 If you wanted to use it as a hotspot and another device is connected
Search RUclips for easy tether, you will find another hak5 video that tells you how to do that.
Glitch won me over with the heat on the pillow. Just wanna give you some love bro. Good work keep pumping and working hard
Does this still work?
I hadn't realized that's how they determine if you're using a router
Great work but you left out the part on how to get terminal access to the modem, can you back up and show how that is done please?
Is there no video showing your van build?? I'd love to see that and I'm sure others would as well.
Yes i was wondering this myself. Would love more info about the build.
It's up now
I feel like I'm not allowed to listen to you.. I'm gonna ask my mom
You don't have to ask mom, son! I authorize you as the great hacker and father that I am!
@@LaggyWizard that didnt work well for Hitler ;)
Knock first
huh? because he has a gun and a gask mask behind him? i dont get your comment
What did she say?
THAAANK you sooo much, this solved my problem !!! Just had to read the TTL of my environment and set it accordingly. You're the BEST ! Love from Germany :) Oh, and nice to "know" that you already have another way
Normal people: Time to live
Glytch: tiMe tO LivE
I hacked unlimited lte by the virtue of living in Finland
@@Glytch Thanks for the insight though, never knew operators took such measures. Here LTE is actively marketed as your main connection to internet in rural areas, since copper equipment is actively being phased out and often not replaced with fibre. And what differentiates phone contracts from data ones is essentially the ability to call. There's at least officially no enforced priorities between contracts either, except for businesses.
It's what, €20 for unlimited data in Suomi? Whenever I go, I just get a friend to add a sim to his plan and it's awesome. So much cheaper than in Canada.
@@MarkRose1337 yeah you're spot on. Where I live the speed is more about congestion on 700MHz band than anything else.
I was just wondering if this would be useful here (Finland)
BlackFriday unlimited (I don't know any internet plan that isn't unlimited) 4G offer for max 50Mbps was 5€/month without mandatory period from both of the major operators in Finland. (both who run their own 4G networks, there is really only two except for the 3rd who run a niche 450Mhz network)
We need a 2023 update for this! And 5G
I never thought about that, nice to know! :D
Patiently waiting for a 5G TTL hacking video
The same trick works on metered connections at hotels and whatnot!
Some hotels give out a pin you can enter on a catch page to get online, these are usually very bruteforceable or you can get access to the network by spoofing someone else lol
I used to use pdanet to do similar with an android phone on an extra line. then I rerouted the signal to go out of my laptop through cat to a router and powered 3 TVs and like 7 other devices including game consoles. The cell companies would text me saying I ran through data but in a low congested area they nearly never throttle. I was great while being in the woods and dsl at the end of the line only gave me 4 meg on a good day and too many trees to have sat.
This dude has a gun just chillin' on his bed!
it appears to be a SBR pistol caliber carbine. (possibly airsoft? otherwise, he has spent several hundred dollars and several years of waiting to get that gun). if it's real, its a great choice for van defense. It might also have an integral supressor, but it's hard to tell.
Its funny you mention having lived in a camper for a while. I currently live in a camper right now lol
Well , I'm not 100% sure why this video was recommended to me but I kinda enjoyed it ☺👌
Made sure to watch this one ASAP before it gets flagged for something. Cool workaround.
4:19 legitimacy
Feeling silly but how do you gain access to the terminal of the router
I find this interesting as I have used unlimited data for a few years while traveling and working, but my plan would not allow hotspot or tethering. Recently I have found that if all of the traffic is encrypted through your favorite VPN the service provider will not be able to read the TTL, or otherwise... If you VPN from your phone with absolutely all traffic encrypted and then tether it should work with no issues. This isn't a difficult fix and doesn't require much tech savvy.
TTL is not encyrpted
Is no one going to talk about the rifle on his bed
pinned comment
Looks like a miniature plastic toy gun
It's an airsoft grenade launcher for a drone project. Not my place to be giving more details but I'm sure Glytch will make a vid soon about it.
TTL decrements at each hop or is timestamp-based depending on implementation, not a loop.
As per wikipedia:
Time to live (TTL) or hop limit is a mechanism that limits the lifespan or lifetime of data in a computer or network. TTL may be implemented as a counter or timestamp attached to or embedded in the data. Once the prescribed event count or timespan has elapsed, data is discarded or revalidated.
TTL prevents packets from looping if there is a network misconfiguration- not hard to understand.
You are mispronouncing the live in time-to-live.
Nope... that is the way it is pronounced
@@qwarlockz8017 Nope, you are wrong too.
@@cookergronkberg Maybe but literally everyone I know pronounces it that way... maybe a west coast thing
@@cookergronkberg But I am seeing most people on youtube here using live as in give. How strange!
@@qwarlockz8017 interesting, could definitely be a regional thing.
other providers check the IMEI number and if it's anything besides a phone they don't even allow you to register on the network. I had this issue. to go pass this you just get a burner device and write it's IMEI number on your router and of course deal with the TTL crap ( rarely have to deal with this but sure )
I have a Huawei E5770 with modified firmware that includes a hidden menu on the built in display, I can change it to random IMEIs that are commonly assigned to Android and Windows phones, that has worked in the past, though I now have a sim that allows upto 80GB before throttling, but it's a good feature.
Other firmware enhancements include:
Changing TTL on the fly (like this vid demonstrates, but a quick 3-button press away),
"Anticensorship" mode (Basically a configurable VPN, to be configured over telnet tho),
DNS over TLS (Haven't had a play, not sure what use I have for this yet...),
WiFi extender mode (So if near a WiFi hotspot, it can hop over and use WiFi data instead),
Also, things like changing USB modes, enabling/disabling telnet and ADB-emulation, DD-WRT package support, custom web interfaces, etc.....
Ya have to find the firmware on some dodgy Russian site as a basis and use their firmware as a base install, then make modifications to the firmware, repack and apply (In case of Russian spyware OFC, but I doubt they would after going through this much effort to make a pocket router into a powerful micro-pineapple so to speak)
The L in TTL stand for "live" not "live"... x')
For a second I was like "wait have I been saying it wrong all these years?!"
Live as in live and let die.
It's "lih-vee-OOOOH-sah", not "li-vee-oh-SAH"!
Leev
@@linuxinside6188 The way he pronounces it is how I have always heard it
Hey Glytch. Dunno if you are still looking at the comments in this video so I hope you see this. I found a rather cheap grandfathered ATT data plan that works wonders for me when I am on the go.
Back in 2010 for a limited time AT&T offered new iPad users with the 3G option an unlimited data plan for $30 a month. Some time back I came across these accounts being sold on eBay for like $10 an account. I bit the bullet and purchased one. Been worth it ever since. The reason I suggest this is because the seller was already fixing the IMEI issue that these iPad only plans have by making sure the registered IMEI is from a dead cellular enabled iPad. I have a OnePlus phone and use that data plan as my second sim for unlimited data on the go and unlimited hot spot sharing. Only restrictions are battery and cell strength. IF you are looking for a fairly affordable data plan, try checking those accounts out. Price was raised to $35 but still within range of a budget.
it gets decremented every router. it is interesting that they just use that to check the tethering.
That ak just chillin like we out here in tarkov boys
Very interesting. Thanks for the tutorial.
Not to be *that* guy -- just a couple of corrections:
TTL = Time To Live ... like "how much longer will he live?"
vi is pronounced like the individual letters. vee eye. Strange because vim is pronounced as a word and is VI iMproved.
Just got one! Put in my simple mobile sim and did "the thing". Worked! Then my service got disabled! Called simple and they said I out the sim in a non-cell device...they reenabled it. Few hours later it happened again. And they can't reenable it! I did the auto setup feature. I think it selected the "fast.t-mobile" apn, NOT the "simple" one that my phone uses. Just an FYI.
Nice hack, simple and functional at the same time. Thank you.
Do you use custom firmware in the MUDI or are you running stock?
lol I got banned by my internet provider for doing this
You're calling 600kbit/s slow? In Germany the throttled speed, at least for the cheaper plans, is 56kbit/s. Messaging might still work, but God forbid you want to search anything, you will just don't get to the result page.
well
paying 4 bucks for a gig and after that only messaging is fine for me tbh
but yeah it would be nice to use text search at least
"Time To Live" (TTL) -- It is pronounced Live, as in "I live in Toronto." Not "I went Live on Twitch." :-D
Dude has no front teeth. Give him a break
@@NicholasSouris Hahahaha I cannot argue with your first sentence -- that seems to be fully factual!
The second, I choose not to follow. Glytch clearly states that he's not an expert in everything. Becoming an expert and becoming trusted in a field or with a group means pronouncing things correctly and understanding them fully.
TTL can be a value of 0 to 255, and is set at the time the packet is sent onto the network. Each hop decrements the TTL value on that packet, and once it reaches 0, it is discarded by the router that decrements it from 1 to 0, based on various RFCs. It is up to the network device manufacturer to follow the RFCs, and sometimes someone will decrement and forward a packet with a TTL of 1 rather than drop it as the RFC defines.
Many operating systems have a different default TTL. What I could find on the web (unverified by me):
Linux kernel 2.4 (circa 2001): 255 for TCP, UDP and ICMP
Linux kernel 4.10 (2015): 64 for TCP, UDP and ICMP
Windows XP (2001): 128 for TCP, UDP and ICMP
Windows 10 (2015): 128 for TCP, UDP and ICMP
Windows Server 2008: 128 for TCP, UDP and ICMP
Windows Server 2019 (2018): 128 for TCP, UDP and ICMP
MacOS (2001): 64 for TCP, UDP and ICMP
I did confirm that on my MacOS Catalina 10.15.7 that the TTL is indeed still defaulting to 64:
*iMac : ~ --> sudo sysctl net.inet.ip.ttl*
*net.inet.ip.ttl: 64*
Setting it to an arbitrary 66 seems like an odd way to "allow" packets through, but also a way to use the RFC standard packets to communicate something to the network. Since the LTE Modem will first talk to the receiving LTE tower controlled by the carrier, an unlikely TTL value of 66 allows the carrier to control those packets differently than a standard packet, such as 128, 64 or 255.
When my computer sends a packet to my home router, the packet has a TTL of 64. When it leaves my router and is sent to my carrier, it has a TTL of 63. Then the first carrier router will get the packet, decrement the TTL to 62, and pass it on. Switches will pass the packet but not modify it.
If a routing loop occurs, the TTL will soon reach 1 and then the packet will be dropped rather than causing an Infinite routing loop with a packet that will go nowhere forever. It's self-terminating! It's pretty awesome.
I leave this under every video I watched, it helps the algorithm..
can you explain for a lamens pleb why you would need this, I understood they are id'ing you on your phone via the TTL but I don't understand why they would limit you in this way, maybe because we don't have unlimited data plans in Canada. In essence, are you popping a cell phone sim card with unlimited data into a combo modem/router and tricking the ISP into thinking it's actually in a phone and not the hotspot combo device? I wonder why they block devices like that though to begin with
This is my understanding of it. His phone plan gives him unlimited internet for his phone ONLY. If he were to hotspot his laptop as an example, it would be speed-capped as to prevent such a thing from happening. By doing the above method, when the data gets passed through the phone the ISP thinks the data is coming through his phone rather than through a hotspotted device. This gives him a faster speed.
@@FreeStyleSloth got it, thank you!! I was thinking that's what was happening but wasn't sure. Now just have to wait for unlimited phone plans haha
it's not id'ing the phone through the ttl, it's more like 'if ttl=63, then apply rate limit, else, do nothing'; through that command, he's setting the ttl to 66, so, when the time comes to check, it's not equal to 63, so the rate limit isn't applied
@@jose-rs got it yeah it was a really crude way for me to write it, but you are spot on, thanks!
@@Glytch Thanks for the reply and great vid!
Just ordered T-Mobile LTE internet. $50-55/month. Uncapped. Was going try this mod as in nothing available in this rural MI area. If I was traveling a lot this back would be great.
Dude, tell me that's an H&K SK5!?
@@Glytch at least you got "real things". I salute you, bro, now for more than 1 reason. Much respect
ATF still wants to classify it as an AOW. :(
Damn, I thought it was a Saiga 12... Still, good stuff 😆
Very very clever. As I'm from Australia I'm not sure why your Telco make hotspot you device an issue? Please can someone explain
Glytch is my spirit animal
How to I get to root of the glinet though? Is that the gatekeeper here? openwrt?
_"PSST! Hey kids! Want some Wi-Fi?! Just hop in my van!"_
*- Glytch*
I wish I had known you were in the Denver area. I'm about an hour south of Denver!
Now it's ruined for everybody that already knew...
The new Tesla Satellite internet must be an exciting soon to be addition to your van :)
Haven’t seen glytch upload on his channel for awhile
How is this code implemented on a smartphone, say a galaxy note8 for example?
You don't make this change on the phone. You need to be using a router connected to your phone through the hotspot, and the config is done on the router.
Hey Glytch, just thought you might wanna know visable offers a unlimited data Hotspot plan for $40/mo. The catch is you can only connect 1 device, such as a WiFi pineapple ;)
Visible wireless unlimited hotnspot
Great to know Glytch. Thank you!
Does anyone know hot to change to TTL on a jetpack AC791L? please help
I want to know how to do the same on tethering from an android phone. Everyone has an old phone that can be rooted for this exact purpose
A Wilson 4G LTE amp with omni on the roof and a yagi for the real remote locations and you'll be set for sure
I thought he had a gas mask bong behind him for a second
Great video, but I think people don't realise that you still pay for an unlimited data plan, and are wanting to upgrade there plans for free unlimited data
I’ve been wondering if the Raspberry PI could be made into a decent travel router with a WiFi dongle. Especially if you can get it to share a Hotel WiFi captive portal.
My first rpi was a kit meant for usage as a wireless router, came with the dongle and everything. I used it for other purposes but yeah. You can even get things less expensive than the pi to do the job just fine. I have a rock64 currently providing routing access between my VPN and LAN (using NAT to share the rock64's private IP with my VPN) along with acting as my personal NAS and email server (traffic being selectively forwarded through the VPN). You can do quite a bit with those things.
Yes!
I’ve seen implementations where it goes from a wired to wireless network, but I have always had issues with travel routers getting past a captive portal where you would share out the wireless network to all of your devices (wireless to wireless or bridge mode).
Getting the networking to work as an access point is easy enough, but it’s the authentication and easy setup for WiFi selection is the main issue for me.
I had been thinking of creating a simple webapp in python which would allow a user to select a network and select it (limited sudo access). After connecting, test if a captive portal was detected, it would forward you to that page or show it within a simple IFRAME to enter hotel info or click yes.
OK, after typing all that out, I think I could probably save myself some headaches and code time by simply authenticating with my phone or laptop then just cloning my MAC address to the travel router/RPI. :)
It's Time to Live (as in, I'm going to live over there or he is likely going to live until he is 72), not live (as in that is a live wire). Soft I. It's a measure of how long the packet will live (soft I) on the network. That packet is going to live on the network for 64 hops.
This was awesome bro. Thanks for the tip.
Come into the city and let's smoke Glytch!
Please clarify for the people that over think everything. This method doesn't give you unlimited data just says the traffic is coming from a 65 phone rather then a 64 hot spot? Unlimited data is still through the provider and can't be hacked? My unlimited data plan throttles after 5 gigs(not true unlimited). Will it give me more then 5g of data or just allow me to tether and share the connection?
"This is for educational purposes only"
"Also, I'm home schooled for the past 4 years and I keep on failing so hard I don't know when my education will finish"
I modified my TTL in Manjaro itself rather than configuring the router that way. It only takes a second to do and you aren't messing with your local network or if you don't have access to the router.
I was wondering the same thing. Can this be done on a laptop instead of a dedicated modem? I guess you did that exact thing.
Cool video mate nice one 👍🏻
why is there a UMP chillin in the back?
Evidently, Glytch does not f*@k about.
You're the man, Glytch!
I've never heard someone call it live instead of live
/lɪv/. Great vid, very educational.
Yeah, he's using the wrong word.
Yes hackers also pack heat just in case
and have gas masks, because... you know...
"hackers" can also have other human interests.
Dude. Really? I have been doing this for years. Delete this video before this becomes too mainstream lol, otherwise going to lose internet out in the country. Oh well, Starlink is coming. I have a hotspot connected to my pi, which does the TTL modification and is my firewall.
Where would I be able to learn how to put this together and set up for myself?
You most likely don’t want a raspberry pi as your router since it’s slow AF when it comes to networking, but as Glytch mentioned, there are some nice LTE hotspots that support iptables in the firmware.
Google dd-wrt (that’s a custom firmware you can burn onto lots of different WiFi hotspots).
Iptables itself is a whole rabbit hole but basically it’s a kernel based set of networking rules and there’s a LOT of different stuff you can do with your networking packets.
I dismissed the raspberry pi in the beginning of my rant but if you’re just wanting to dip your beak into Linux firewalling then it’s a cheap way of getting started. But you gotta build from the ground up with that one and it has a lot of quirks and weird limitations.
@@KarryKarryKarry with 8 megabits connection, the pi is fast enough lol. I actually run dd-wrt alongside my pi which does everything else, except NAT/Gatway. For some reason, I couldn't get TTL modification working on my dd-wrt but had no problems on the pi, thus I just left it that way instead of spending more time trying to get it to work.
I really needed this. Thank you.
LTE in rural area... in my country you don’t have 2G network sometimes. Maybe GSM. So i usually take more tourist and survival gear than routers, hotspots etc :) . Adapt to the area you are in :)
Terminal on what device?
Welcome to Colorado. We have a saying here, if you don't like the weather, just wait a few minutes because it will change. It's not uncommon for me to drive through all 4 seasons in a single day 😝
So how do they know how much data you've siphoned? Straight talk shut off my Hotspot for going over 10 GB for hotspot.
this tip is more for plans with unlimited data. Unfortunatly yours seems capped at 10. I cant think of any way around that.
i used to tether my phone to laptop via usb 3.0 cable then laptop to router via ethernet cable for wifi (pdanet) an would use over 500 gig month an yes i would get emails a letters an i would just reply cancel my services an they never did i did that for over 2 years lmaoooo if u pay for unlimited net you should get unlimited net ...maybe thats why there's fine print now before there was not (after 35gigs ur net will be reduced )...bring NET neutrality back
Glad to see you're protecting yourself and exercising your rights.
Hey Glytch, I have a question. I'll preface this by saying I'm not experienced in network IT. Can you change the TTL on a SD-WAN Bonding router (Pepwave Max Transit Duo)? I want aggregate two separate carrier signals. One is AT&T and one is Verizon. The Verizon plan has a cap of 5Mbps and the AT&T has no cap. Thank you.
Need Help!! how do we get the command line ( iptables -t mangle -I POSTROUTING 1 -j TTL --ttl-set 66 ) permanently on the GL.iNet GL-E750 router?
Thanks for your time and effort.
Love the fox plush, I have one just like it! ;D
Sir, do you have a solution to the problem of the 3G.2G network in this modem, it is now working on a network. 4G only please give me a solution please
Wow, you get better speeds than my home internet.. My cellular data plan is throttled to like 2 mbps even using the phone directly, and its capped at 2GB per month at which point they throttle even more and charge $15 per additional GB. Unlimited data isn't even an option :(
Like your teddy bear!
This method stopped working for tmobile sims about a year and a half ago. Would be great if there was a new workaround.
So how do you get in to the router termanal?
Awesome, I've been wondering how that was determined, now i know :D
But why when you can buy a yeacomm for $40 less and comes with Ttl settings
this was sooooooooo Hak5!
I am just curious about his ping in csgo
Whatching this video at 40kb/s😐
There are nice GSM blocking microphones out in the pro market. Check out Shure.
Does anyone remember Kyley or Carlie who used to Present HAC 5 ????
Hi there. I hope someone could lend me a hand. I am trying to mangle with the ttl with a Windows 10. How do I do that? Cannot find anything on the internet. Modem and router are in bridge mode. But I do not know how to access the ttl settings. Help!
I can’t say I have encountered a carrier here in Australia that dose this so didn’t even know it was a problem for anyone