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ok can be more aware of be like how does iris could be kind of mindset next how many reviews signal what is what is it was systems and its really here and now that information so they're one of the space universal information prof guy and this is the time to get has created and ha ha yeah um so yeah people like ever Snowden who's like us yeah he uses any trusted it's really welcome to started by people through single a diverse group actually places like it runs RSS definitely so he sent a text to some of those like signal they'll get it at this single out if they reply you'll get it nursing love I where to send it over signaling for size just ok ok so do any of you know what relatives ok w trouble is a really cool system basically is like no guards on lines like you can have tasks you can have a share of people at the morning and having all sorts of list of stuff that you do or things when i get done it's really really good however they use imagemagick which is an energy level e and it has some serious buzz so one of them is me to traffic and traffic allows some issues with x-pac CD which is xml external entity which is basically you can get the super downloaded run code prospects well so if you set like this yeah this one that this system you'll get code that's fusion on server so then you have yeah sears is tisha so you can have the server pink your server it can be clawed back commands that you can have like a server connect shot back to you so that's really dangerous trouble a stash this rather give us twenty-four dollars because their blessing yeah so that was pretty pretty dangerous o.o probably to make sure that it's probably that you have patched it for each tribe and how many you used rocks for happy strongbox okay drop ours that this is a little while ago was in the news evaluate out some been eating at least so yeah they're 68 million accounts the ostrich are crafted encrypted using a secret one but some of them are any person/s eighty eight o'clock but the emails between text and if you were to crack the passwords like that's kinda scary so one thing to know with this and we don't condone this enemy three but as a research project you guys did get this dump and then start cracking the hashes because you all know how to do that from week two or three whatever we did it here at RC three you all know how to do that it shone well it's pretty simple it's pretty easy to the pub so a lot of people watched use the same password these have dropbox where they work and if you have their work email pretty want to assume that's the login information for the work account so take that into consideration when don'ts like this they're doing that they're unhatched all these passwords and then they're just going around seems they can get into so that's the bigger picture here is just a lot of the count 16 along I can get some kind of report of like musty passwords and in the dark side or something and they'll be like millions of people using like my cat yeah yeah a lot of people okay ah Marta sky has run in multiple ways so basically yah flyest donation you got remote execution I think that's all right yeah so that's pretty scary basically he exploited the way that form of tastes like image of those profiles as well the video clothes and these are kind of standardization but it does unsere us PHP code and so he was able to your job and it's your life and use that cub you able to download a full sorcerer use again ssuh as well so easy you know zero i fell and call back the ESPYs understanding this file so sort of at least for tamiya and slower uses a possible if you guys like this oh so it's all right um it's an hour but yeah this is not something cook it up compile it and then run and you got access to millions of devices that use to take things down so this is kind of this is going to be a big step words like how they didn't get the news that bigger size DDoS attacks are going to be kinda girl this is going to be because they're releasing the source code and a lot of you paisa so it's going to be pretty Gators so I'm not snow or so they say so this is die um Gerald Thomas Martin he stole a bunch of from the eyesight and they brought up and it hasn't happy that he was employed goodbye without images the insane people who employed snow but guys is self sk actually participate alright so I just want to reiterate so great co-op opportunity for juniors this coming summer they're looking for two juniors Jamie was here a couple weeks he came here a person do professional class on he's also a previously parsing twiggy board member on when he was here at RIT he'll be here next weekend and then the week after we come back from Thanksgiving to do interviews so if you have any questions or if you want to sign up for an interview with them please contact them and all the slack for Jamie edgren khou.com they're an awesome nice to work there coz o is awesome anyone there awesome so definitely one all right Marcy bars you all saturday october twenty second prytania to 4pm it's really good wanted to see how things going to be really great dad oh really providing lunch I definitely come out all right special projects just going to be Eric that special projects pond is something that our state 3 has set up that the members are about to use funds that RC 3 has there's no going for to use pods of RC 3 because that's your key keyboard home because keyboard uses it for our events and things of that nature however we have set of this policy that if you want to do a really cool project but you don't have the money to do it you need equipment or something like that you can write a quick proposal will take that proposal to a vote on it and if we gonna be formed beneficial to the security community fund important one semester like really almost start out small and see we'll discuss that would like continue to fund your project so keep that in mind if you're doing rc4 talk and you need anyone if you want to do an RC 4 talk and you need equipment let us know because if you're doing nursing for talking all necessarily have to do a proposal all the way to do is talk about things that it's of your purchase you don't have to do a proposal Percy so keep on renewing how about this past Sunday discuss about looking forward with our series swag we got a really expensive so be patient with us we're trying to get you guys the best price for the best quality so give us time we're working on that or time to get using the next couple weeks natural selections you guys know most of our specialist ETFs coming out within the next month surprises doing it is hungry all this stuff such like that alright so i could put any more do not in here look right here I computer do not come to this room next week another organization has this room books you can join them if you like what r cg will be here will be upstairs in 24-10 same room that we do demo so do not pump here you can if you want to join that organization for whatever presentation that they're having I'm just saying you can do their rule of the percy people so so this week we're making windows defects so welcome to the black box so y'all think that what he do is this like this like these guys are getting so learn about with yours not define how awesome windows is I could play all my favorite video games and it is freaking awesome looking at screen it's changing everyone's getting it and then you come that's it so some quick terms for windows all right so just till you're waiting on is really impart so if you guys feel like you're going to be challenges a lot to learn but that there's a lot really good question too long because it's closed source a lot of this is like behind the doors a lot of this other they propose that you don't get to see Holly out bring system works as you do want to get to interact they can figure it on so it is really hard but it is a punch out so why windows so seventy percent of all clients or windows so if you're going to develop malware or you're going to try and break into someone's computer what technical operator good try the time so it's going to be windows so imma during the tools that you guys will be using in the coming things are going to such as medical a we're going to be geared towards windows because that's inventory expiry running into just to kind of the progression here with Windows we have windows NT mb in two thousand in XP and 2003 and I've got 07 and then 2012 so there's this thing called the ghetto caramel as we call it here and all right sleep what's up together go well you can all be the judge of that so we have this thing called again tomorrow that's what we call here at RIT and then it moved into the net that's a safe far wall and the what we have the advanced powerful so what makes it yet oh so the ghetto caramel it has egress filtering which means we're only uh filtering what's coming into the box but we're not filtering what's going down with locks so we have now all the boxes just be getting out to the world and we're not doing anything about it became like that so harness the fight against malware is not letting it is but also not letting it call out so if you're not letting a call out that's sitting there it's not really creating you depending on what it's doing if you can't call so it's not really useful to the attack that they can't get the data that they're trying to get from your box so that's why they can keep in mind this is really important thing 12 SMP which is file share and add an important program four or five sm e stands for server server message block which is private area protocol it's important it's going to be a lot of things that how attackers tag the windows not operating system so pro tip Orton CMT and some power shots really going to be really useful question finance in the front top because it does because I brought to set three so starting off simple windows processes the incidence of a program that's running so the keep in mind processes only problem when a user is logged in alright so the users walked it than the process will be running under the user then we have things cope with their services windows services are like equivalent of Linux demon when did they're like Buddha's background process ever become whether a user is long and not so kind of like SSH mulliner so keep that in mind and then we have the same on the Windows registry lunes rent receipts a higher database to talk to the kids contains all the settings and the preferences for users and everything come Windows operating system through a lot to this if you want to go dig into it you can there's a lot of really cool goodies in there feel the art of the windows registry so good locations know in the windows registry startup location so I'll do before logging of the the programs in these registry locations or run so that's something that you want to check when you're defending a box is seen what is running efforts and the windows firewall all the firewall rules are placed and safe here in the registry so that then someone can modify the register so when does that stink on food is to be in controller because no domain controllers if you don't let the right we're going to explain it to you so windows what we call it to me children what Microsoft refers with morons his active directory so what is active directory the database service that does user authentication so we have a big database of all our users in the entire company with their username in their password and instead of having each computer have local accounts they come to our domain controller / active directory and they go hey on this user here's the password I'm trying to give you and it goes let me check real quick all right I have you given me the right password that i have on file for you as a user you can log into our domain yeah so that makes it really nice and big enterprise environments that we have this inkling active directory so that users can move around from computer to computer and log in ah so and again these domains provided mistress for the way two minutes large numbers of pcs so again think about it if it's good for citizens it is bad for security people bustling in active directory is d in this base so everything has a post name on your assigned own age so if you want to log into your Active Directory account on the windows box you'd be like ABC 123 at rit edu rit.edu would be the domain that you're logging in and then there's a sinkhole group policy which is single set of rules to apply but all the users and computers in your entire domain which is can be a lot of fun if you know how to play that bro alright so just a quick diagram I'll adobe so here we have our domain controller and then they have all our computers that users can log onto an authentic 82 our domain so the user can be logged onto this computer to work here and say they have to go over here to this computer their files should go from the server to that computers and they can still get you to work on it on that remote computer all right so we have a sink while the talk she also magic terminal of course so Windows has built themselves while being a GUI application that's what you guys want this with the end user one so that's the big dose of development is creating that nice GUI interface that we're all comfortable alone so the underlying dash terminal need someone won't touch and its really good to be it's really good to know if you're a security person because as we all know it can be so much more quicker on the command line that you can the GUI so keep that in mind when you're doing defense is that if you're cooking through a whole bunch of different screens you got 15 different menus up that's really hard to keep track of which menus got up which is where so just run you know those committed to be a lot more effective another thing to keep in mind when you're in blue team versus renting competitions these renting people have scripts you can't beat a script it's a computer it's running at nanoseconds you're typing maybe a key for a second so that's kind of hard to beat so keep that in mind that the command line gives you that advantage doing quick so Microsoft's finally won all right let's make our command line experience a little bit better so that's where powershell painting to and hair gel is freaking also that you get a chance to actually sit down or that I have been I've been really happy with it so around the laconic framework has he seen smoke see cmdlets which you can use to add like Pablo's like in Python to give you more flexibility with powershell so it has crazy good documentation I've been pretty happy with it that means like all the good doctor teaches that Microsoft actually has for their products so some quick run commands so here's a list of common commands that you can type into the run prompt down here to get to these berries menu so if you want to go to the Windows Firewall you do the windows key r it will pop up that little run command box and then you can do wfm SC instead of clicking through I think when I cannot just like five different things to get into the wind is horrible so definitely a lot more so out of one break windows so here's a tiny list then we're just going to focus on for today so we have the Cinco final print sharing like hey I'm all the network i'm using SMD I have these open shares come talk to me and windows just lost the talking so if so you if you have the ability to kind of a father red cherry great but you don't always have the ability to turn it off what we're going to get into a little bit later Oh things like remote desktop then keep in mind no desktop Windows a single user so what does that mean I like have one user logged into the box so if you're sitting at your box and I see the good remote desktop and I go oh all right desktop and I log on yes you can ski down kind of interesting when you get kicked out and so I'm not so much one so DNT this is DNS every one American point would you can put into the fetus records and say Ella the same point over here to my most servers else house is a great process it's actually a legitimate process and windows so any years I had foolish curse why that is half a hat probably one of the worst decisions so that so we all know a pastor packaged bread yeah so we gots a pastor pat show you log on to one of the boxes on the domain and we can dump the active users that are currently logged off or that for current analysis of the same we got a domain admin and added all the bed an admin all doing and we got his hat so who hates having a pastor's all the time yeah right although so we need to let to specially I love my droid shared all over the place is like so this is great thing we'll just past the sword shipper or literary men to the path path of the catalyst use and if they agree sit here thats a half he'll just log again so we need to disillusion asleep we got the app now we just go around every boss this equity password go to the app so 7xs anyone that's good the shares to be open breathable and radicals to the i scattered the towns of your life on job and go into the fog so defense and volley so first thing you want to just change your password just do it just be the first game you if you if you don't have any service or just a block from here so we don't need on the network I'm not a screw-up disconnects optician to daylight into it the time is the rules I'm check on sherry are you ready to the road that's hyperbole and how many love game over i disabled Cecily on YouTube accounts of so it's really hard in a competition to know what to do and that's because whitey may have you should they need to what why she may have an account on your boxing you to do white t stop to give you guys source for your services so sometimes it's going to be disabled the user and then if you need to it you can read April but if it's like this is not right to you can obviously feel good to delete that one and then change the password click the Knicks put the nicorette talk a little bit all the processes connections network sharing services etc and then sets a firewall and for the love of God do not use Internet Explorer so get change passwords you're getting is the neck command net user username star it's going to prompt you for a password and take it in its going to ask you to reconfirm that house we're just taking it just do it just all kinds of the best way to really be get into your box actually lost times that's the way that they always get into your box litigating competitions is they know the passwords just like you did so click the next so let's click the nic like the neck is where through the interface you disable it and when you disable it clears the tcp stamp and akin little connections in there so if my teams in your box you just kill the sections that they have there and they can be able to connect reenable the interface and it will bring that box back home so that's real great way to clear any bad stuff that's going on in your box so that you get there we do the windows key is we just got earlier NCP peg CPL brilliant to the network control panel that you can disable the network interface and then reenable so make sure to reenable don't be like who forgets to do it ah so disabled file and printer sharing so again this is where a majority of attacks come from so if you have the ability to disable it definitely do it however if you're on a domain controller like you all will be later today you can't disable file printer sharing because you need it for domain services so don't be that guy who disabled it because you want to be secure so there's other ways to lock down that service and make yourself more secure so don't do that if you're on the domain but if you're on a client here so again we talked about remote desktop so this is how you go through and disabled and see if it's enabled sometimes you may need to leave remote desktop medieval did at our prize environment make sure that you can go to the select users button to make sure that it's only users that need access to that box so sometimes that our duty section moving right now don't freak out it's not like % permanent there is a registry key within the registry that you can change to bring out that section so red team will enable it and then go into the registry change that key and registry so that you can't just check the checkbox but if you go into registry change that registry key and then you go back you'll be able to disable so to keep that line alright so again like we said disable the delete any unused or on the accounts especially make sure that if you're all a doing toilet you will be that you're looking for local users because you don't use oh so all the processes so windows key dash bar and then bring up task manager the one that we all go along I'll kill anything like notepad they don't really running unless you're using it to I mean Hayden has random letters it looks really weird like that one right there anything that has office updater a DAC obviously looks malicious definitely kill it you guys get foot so that's going to go about killing the actual process from the command line ps2 ps2 newhall works well and we're going to talk about that more later we'll talk about the system transcript and download the bomb is how you do it in town alright so many connections we all know our favorite role that we've come too long this next act so that says actually on windows too which is great although some of the plants don't necessarily reflect the same way that they do a linux so just be worried about but you can do nets at just and i'll type in and define stair climb stairs like breath we're going to look for everything that's listening as their only of the right as you see and then we can also look for establish connections established connections are bad because they may be taken to a red team so because of on if you see going to the red team never kill a lot of services like we talked about services are like Damon so you can have things like telnet is Glenn dns and dhcp so if you don't a.m. to save won't get rid of a lot of times in competitions or gave me a bunch of services that you don't need and it's just so that already has a little bit get into your box so just disable the firewall depending on your glass there may be two types of my rules as we discussed we're going to talk about the net as a car boat which is the older one a trans firewall to the new one and the ghetto firewalls we discussed all the way in the beginning is with with XP and all that XD deprecated so we're not going to talk about the waste your gas time talking on table so what is it barks piece of software the filters in down now bound traffic there's a GUI but you should also going to penalize because it's so much better so protect against the far wall account should be sensible service or if your auntie Anna Devane NT underscore authority sizable service per server ah the farm old started if it's set as the guest user here because it needs elevated privileges to start the fire wall this happened to be a nice yes there's really sad for a very long time because they didn't know why so I figured that I'd give you guys a little tip it because it made me really sad for a really long time because then gets that and I watched all their beacons all day long just called that so I figured out how to fix that so when is advanced firewall has profiles we have three different profile to get the domain the public and the private the domain is one the computer can't detected on a beta on two main network and that's worth for specifically for that they're being our place is rather like somewhere like a coffee shop or something place like that we don't really trust all the people while your network and then private oh sorry these big stuff so let me get this mixed up but anyway private is for when you're on a private network or you're behind a network address translation such as nat which we talked about a couple weeks ago porcupine or behind a firewall and the public is when you're at something like airport coffee we don't necessarily trust every lick your own and the users on so which was an Indian's firewall it looks really complicated at first and so does iptables but the more you use it the more you get used to it and you kind of see that there's a pattern and kind of policies and we're proud of all the time so definitely if you want to do windows especially for CCDC moving forward your optician the command line is going to be your best friend so i will give you a little hint powershell is really weird about some of the delimiter that are used in the firewall rule so just use the plain old command line prompt the old work to do firewall rules that work so much better doesn't complain I don't understand why power shall we look work and the 31 latest greatest command line but here we are so here's some common things to know so we can do to the top line there all the current firewalls if you're in a competition setting and feel really confident probably don't need to need all those firewall rules just like them you don't know what they're doing you don't know what you don't have time to go through and figure out what the joke so just like them to figure out later what you need to do so that's what that second command does it turns on the home front while then the third one just gets rid of every and just write your own horrible so that you know your boy allowing in and out with you need to lay in Oregon we follow some examples then we had attached together which is like Franz job so we have different ways to curry task change test and delete task this is a really great way for red team and put in things like don't date your firewall rules and turn off your car while I provide this stuff like that because definitely look in your task if you go to the as you'll see later as some of you will probably be like ah I will listen that then I know the GUI I know my way around and if you go to the task scheduler you'll see like 50 different colors no one wants to go through that so this is the male line we could print out what cats are going in there what's the kind of seal great question i'll put it there I thought I'd put it there oh that's weird so I'll put a bigger better ah but pretty much if you don't need it just get rid of it just like the fire pretty sure you get rid of it go for scripting with windows freaking awesome do it take a lot of time especially especially in competition special you're right firewall rules as we just saw a couple slides ago it's very exhausting to write those rules that look for the boring I want to keep typing that out so put your firewall rules into a scripts and Evelyn red team deletes all your rules you feel like that's okay i got script and then right again we're good to go so and then here at the bottom there's different levels of PowerShell scripts is what they can run that so unrestricted just like hey I'm download the scrimmage group on the internet x1 run so restricted is the way to do that and then the road signs grits besides I verify authors that like yourself aah crash course on sysinternals in five minutes this is my brother I love sysinternals just use it just do it just get it don't think about it just download it just get them and to freaking awesome is the best tool speak tip it sysinternals not actually buy microsoft we're in sevilla so you know you can trust it if microsoft and it up at first and then they bought them out so all right so the speed up windows work it's a sweet affordable when there's tools will get to do windows sysadmin and it's a response type of thing they do have a life samba chairs and if you aren't able to download clues or you don't want to you can go to this live samba share in a file explorer and you can run the tools from there so we got some of the clock in schools that you might use in their autumn Roswell's will show you all the things that when your peers cards out for user logs in what's going so what programs are being executed with scripts are being executed a booth or login process explorer it's like task manager on freaking steroids it's the best if you ever do like I our site for more on st SB you need to do incident response process explorers or coaching application because it gives you everything you need to see it as a visitant responder to respond to an incident and also write that report effectively which we'll see in the next couple slides tcp viewer is like a better mess set in movie form so process Explorer you can upload processes to buyers total verify them which is freaking awesome so you could be like I don't know when all these processes and they're really doing I'm kind of new here I want to figure out what's kind of going on so you'd be like hey I'll pull all these processes the virus total it'll put them in a virus 12 hours over you go this is good this a bit so one thing to keep in mind it in avoid uploads windows processes so I'm commenting those processes like processes of antivirus scanners and such because there's a commonly known things but it won't skin random processes that it doesn't know about yet day to be so that's one thing to keep in mind is that you can at least know what's not polishes from as far as well as process Isco so that's one way to eliminate your scope and go okay these are the process that I'm unsure about I should investigate and then there's a cover scheme to the process of course Oh pink is all services running which is really nice you need to see all of those processes and services all scream blue is a currently user launch process cyan colorized what is app because well they just got bought out of course wonders what's the digital color to their own applications picture purple indicates that it's a bad piece of software so packages software and bread company out here so explain this right so have you all used to like the scripts command in Linux so if you haven't use the stream commands and playing up left you can run it on a final it will give you a text back that metadata that's in the file it would turn that type of strings in it back to you if a piece of software is hackable and actually get any of that fact will just be a bunch of garbage so pack so that's what a lot of malware will actually do is to stop you from doing on our analysis it'll actually pack itself so that you can't do analysis such as saying maybe there's a domain that's going back to or an IP address so that's kind of all those fathers that kind of stick out like a sore thumb that equals with more investigation greetings its newly-launched and read news it was just terminated and dark breaking news a cement suspended process so all the talk about suspended processes real quick because this is really pretty cool so an ICS last year if you all haven't had the pleasure wanting it to move ex he makes you cry with your own windows possibly you make me cry over here he's really good at what he does he has malware that is three prongs so there's three processes and they all look out for each other so if you kill a B and C will work together to recreate a and started probably get so if you try to kill me NC will just pick up the slack and gravy again so it's almost like it's pretty much almost impossible to try and kill how do you do it great question i'll tell you because i think this is freaking awesome and i use this last year at highest es web poll is freaking out about this three-pronged process attack we were doing okay so what you can do is if you've got three prong process tap you pare it down to which three processes that they are you can right-click the process and click suspend so will that do is it won't kill the thread like chilling process will do it'll just hang it there but it won't actually execute it so the other processes will still see it as a live which is also so they still see it as lots those are like we're all good to hear because he's still alive and then you can suspend all his other friends that created you do more now more internal processes to clean the actual power so definitely keep that on your in competition who can have multiple processes watching out for each other that's one way to do it if you can't kill process give it the lowest priority that's one way of doing it too if you can't kill it just different things to try so again if you right click on the process and you click properties it'll show you all this wonderful information which is great so if you have the top there you got a tcp/ip tab which is freaking awesome it will show you all the TCP information about that so if using the process is malicious us window for every hour on discussed earlier is showing you almost being straight into blogging for boot so it will show a lot more like go to De Aza start at started to move you to show you drivers are certain taboos everything like that it's really really great I definitely would inflate Microsoft Word sketchy things that started a food I don't want to bother software reception but it does so Tom way to class up so so down / goals I rules for today so we'd all contrite right back on down for less than a second you must allow a bberry DNS traffic because your body domain controllers or experiences you keep the services up along through firewall also and last one to discuss on UT file and printer sharing able because you need that to be able to run daily for effectively so because miles particularly engagement on good will be defending me explain Oh yes explain want me to go back so Strauss is adapted wait free oh and I included this nice picture to do really career assistant rose and an hour long but I guarantee they wanted to winter stuff it'll be the best video and watch it's definitely worth the time cool things disappear without ever for that video never found a better resources in this video and he's actually entertaining he's not boring boring is talking extra just like actual malware analysis definitely concept elastic and bring against my stop making me cry alright so the review extra backdoor is that week from the previous one okay so there was really little little special presents I drop for you guys so what is our put a shell in web directory that was like not good so honey never seen a gun shop so for those of you who are unaware c99 shell is a HP shop so what that means is it is very easy to run on Webster rooms in PHP so you can monitor the server communicate browse to the URL it executes essentially have file access shell access you can access user is a good modify the system based on commission to the one user pass so the location for this is slow w is Jenna which is the ball up there after installing the door locks and then if you do LS you can see this beautiful stained I'm gonna teach people to totally not backboard so right yeah is that people can get into or stay in your system another one was a little extension off the back door how do you previously found be written now setting aliases all right so I standoff battle is in SE profile so every time a long line external scripts so you can run fast as X which is the debug option that will show you every single item after this be drunk and every run into man when you cut back using that you can see the files that would be initialized when dash is running so one big it's called is this best underscore depletion down on Sandra here which handles setting dash completion so previously I had said it almost back doors and cypress there are no more back doors but it's still there so trick here is at the very top is this lock source usershare bash Dash completion / pass pass completion well that's actually legitimate dish because right down here we have usershare bath deposition underscore petition one of these things doesn't belong so if you go to subtle users share you too very very simple as we look at about underscore edition well this is just okay this but system oh boy so this is the source community side of the dash dash completion in NC propel beef but that does that every time it's running source classic you too father to providing so you can use that act like little stop of this you can call it external scripts to make it a little bit less there to people on the enhanced existe that there is a back door or it is not be meant to be run in the file these will attempt definitely check for those bad guys is also be a really good friend for helping to find that bastard does that little it is incredibly durable school you will get vomited long but it will tell you every single water filters running back look at a lot of our secret demos and previous surveys and now that one I want to not only other one message about test but if you if you go to the directory of the RCP user you see this little funky fun thing here that's work super super knows how do you know families heard of it exported okay so Pam is pluggable authentication modules it is how linux performs on medicaid authentication authorization of the system so based in temperature caster it is shoveled into pan heidi service SSH sudo su blogging in every time you are logging in you are getting with cam more specifically your delivery Pam underscore unix module which is the occasion so if you CD into linux pam that were now so one of the ways you could have house five is you could have seen that enough conversion number velvet expand their so you go download the source code expand on foot of money you could have disk every single file over their economic ladder because I did it so that you could just grab for RC three so you investigated a little bit if you doubt if you like it is modules / and unix so we need to put forward this is pan you this off see this file has only code that is SS with every blog in this receive your past when you're used to being disturb this handle is on educating use user so so this is the others function radiator which is this is receives like basically bastard we will handle the education quality so you'll all be down here you see this little plot line right here really really because this is not a bad border despite only does not always allow you to authenticate menu Casper for every user everywhere instead that read about it in this line businesses boys and for success every pathogen is correct every usually neutral is correct log into the system and then the fun part comes in from their password every single user logs in the stash so ya can log into these users echoed with any pastor have fun fixing that one and he washed up near the southern talk about those are the three vectors of animosity good you ready oh yeah alright for Jose Oh God I