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2:04 AM
For the OSCP, can I copy part or all of a metasploit script or CVE and use that and have it considered "an automated attack made by the attacker"?
 
 
5 hours later…
7:29 AM
@JohnZhau If you copy other people's code, you have to say that
@ConorMancone Thank you
 
7:55 AM
Skype meeting in 5 minutes, yay!
Prepare for 2 hours of "So o----is sl---e y---an-see---at...", "Uhm, could you please repeat that?" and "Hello? Can you hear me?"
 
 
2 hours later…
9:39 AM
I have a feeling this question is really stupid and I am just missing something obvious, but I honestly do not know the answer.
0
Q: XSS attack on websites that allows JS file upload?

AndersConsider a website example.com that allows users to upload arbitrary JS files, and happily serves them back with a JS content type. Could an attacker use this to perform an XSS attack on example.com? At first, I thought the answer was an obvious yes. But thinking about it, it is not obvious how ...

 
That is a good question. It depends if there is a way to link to some external js file
@Anders I added my two cents
@Anders Since you edited the question: How long are they stored on the server? Does the server check if the content is actually JS?
 
9:56 AM
@MechMK1 I edited the question because I figured maybe it wasn't very clear. What I mean is a classic file upload functionality, you upload a file that is stored permanently and served. Like you would upload your avatar pic but just with JS files instead of images.
 
@Anders Ohhh, permanent file storage could be a vuln on the server. What stops me from uploading a .php file, having that served back to me and running it standalone?
Or uploading anything and using your service to distribute all kinds of illegal stuff?
Storage for such things should be minimal
 
Yeah, sure, there are loads of issues with file upload. But I am interested specifically in XSS if you allow JS uploads.
 
I personally believe it's not
But it depends on the specifics
 
@MechMK1 Edited again to point out the focus. Thanks for the help with clarifying.
 
Anonymous
10:16 AM
Man, it's 10:15am but I might order pizza.
 
Anonymous
I am so hungry I feel sick.
 
@J.J Pizza has cheese on it
 
Anonymous
I like cheese when it's on pizza - and I love how you just flew out of the black mist as soon as I mentioned anything with cheese.
 
Anonymous
Like some kind of magic trick, you just appeared.
 
Anonymous
10:21 AM
yikes.
 
If a website would tell me "Hey, you look a bit sad right now. Do you want to speak to someone about it?" I would freak the fuck out and shoot my computer
Not even exaggerating
 
Anonymous
You're not the only one.
 
Broke: Google wants to know your location.
 
Anonymous
One day I will get to 2000 rep on this site.
 
Anonymous
Despite the fact I never post answers anymore.
 
10:23 AM
Woke: Google wants to know your emotions.
Bespoke: Google wants to modify your emotions.
 
Anonymous
Holy fuck think I'ma actually throw up
 
Anonymous
brb
 
@J.J StackExchange detected that your disgust parameter is greater than 0.75 and your anger parameter is over 0.6. Would you like Stack Exchange to modify these parameters for you?
-2
A: Why is secp521r1 no longer supported in Chrome, others?

BobAll ECC, including X25519/X448/P-256/P-384/P-521 will be broken by quantum computing YEARS before RSA-4096 due to the physical limitation of stabilizing qubits and may already be broken by government quantum systems. Google, D-Wave, and other private companies have only recently achieved quant...

Oh look, more crackpot crypto conspiracies
 
11:02 AM
@J.J I have been accused of worse 😁
 
11:31 AM
@JourneymanGeek Journeyman the cheese witch
 
@MechMK1 Some say he can smell a single slice of cheese from 200 miles away. Others that he once outstared a statue of Nelson...
 
11:56 AM
0
Q: What about the community is "toxic"?

MechMK1In Chapter #2 of The Loop, the following graph is being shown: The blog post states the following as explanation for what it defines as "unwelcoming": Unwelcoming community (10.6% of responses): A perception of an unwelcoming community was the top thing that people found most frustratin...

 
12:12 PM
My take on this are as follows:
Stack Exchange attempts to be a high-quality source of information. This was the goal from the very beginning.
Newcomers will likely not contribute high-quality content
Experienced users will either modify said content to improve quality, or close and/or delete the low-quality content.
Newcomers see this as "unwelcoming" and "hostile"
 
Basically
 
It's a direct result of wanting to be high-quality
 
So now, on the altar of making people feel completely right even when they're wrong, we're gonna sacrifice quality.
 
Look at the mouseover text
> And what about all the people who won't be able to join the community because they're terrible at making helpful and constructive co-- ... oh.
 
lol
 
12:20 PM
It's exactly those kinds of people whom Stack Exchange is trying to filter out. The fact that these people complain about being filtered out is not a bug - it's a feature!
 
I'd rather make a place for people who really struggle with asking or answering questions. Like a SE academy
 
SE Academy?
 
Yeah, a place to learn how to ask/answer on SE
 
Is that a real thing or an idea?
 
But I'm not sure people are really wanting to make the effort of fitting the guidelines anyway
it's an idea
 
12:22 PM
Man I was so hyped for a second :D
 
Maybe we should pitch this in area51
Though we'll never pass it through definition since it would probably be "how do I improve this question that got closed" and a couple of more generic questions...
 
I think meta could be a place for this though
"How can I improve this question?" or "Why was this question downvoted?"
The important thing for newcomers to keep in mind is "You are new. You probably don't understand the culture of this place yet."
 
Likely to be closed as a dupe of a similar one, and not gonna care about the individual
 
And as we all know, telling someone that they don't know something or that they are wrong about something is toxic.
 
:shrug:
 
12:26 PM
@M'vy It's okay if that helps OP, but OP can always say "No, I don't think that this is a duplicate, because...."
 
I mean, it's not gonna be helpful because OP is gonna get further dismissal just by asking "why my question was closed" usually.
 
I disagree. All recent questions here on meta as to why someone's question have been closed were answered individually
 
What would be more useful is some site dedicated to support, where newcomer can ask how to improve, get personalised help and can use as a sandbox.
 
And usually it stems from some disagreement
 
hmm
 
12:29 PM
Someone asks about how to use a hacking tool
a mod says it's off topic
OP says it's on-topic because hacking tool
 
TBF I haven't been on meta too much these months
 
schroeder explains that that doesn't make it a question about information security
 
yeah, that's off topic for what I'm describing. I'm about teaching quality. Off-topic is usually straight forward. It is, or it's not.
 
I agree that it's hard to judge quality
But it's something people have to learn
Writing high-quality questions or answers is a skill that needs to be learned
 
1:01 PM
If I copy code, I'll say I copied it. I'm thinking about the limits on metasploit use in the OSCP. Since they only allow 1 module on 1 target for the whole exam, I was wondering if it's OK to copy and used part of a module and not have that counted as a use of msf
 
@JohnZhau If you're trying to game the rules on technicalities, I have bad news for you
 
1:51 PM
-1
A: TLS 1.2. Handshake: Where do Client and Server negotiate how the master key is built from randoms and pre?

LavairAt the end, I didn't had to rebuild it manually. I used wireshark and its automatic decryption tools to build the master key and extract the desired information.

 
So partial msf modules aren't allowed?
TBH I find spamming msf kinda boring and I usually don't like using it in CTFs but it certainly is useful. Sometimes too useful.
 
@JohnZhau Use at your own risk, but don't act surprized when you get disqualified
 
I think that the answer from Mithical is helpful and effectively agrees with the tone of your question (although probably not intentionally)
5
A: What about the community is "toxic"?

MithicalThere are a few different reasons that people perceive Stack Overflow - and, to a lesser extent, the other Stack Exchange sites - as toxic. Let's get into a few of them. The most major reason, in my opinion, is this one: Barrier to participation and learning curve There is a really steep l...

In essence Mithical says, "SO is different from everywhere else, people aren't expecting it, don't get the reception they want, and get butt hurt by it"
Which is exactly what you are saying
The only question is what to do about it, and (as you say) there are two general directions:
1. Try to help newbies to ask better questions, or at least accept that we are not reddit
2. Turn into reddit
 
@ConorMancone "Git gud or git out"
 
2:07 PM
Personally my opinion is that the internet already has a Reddit, and while I'm okay with trying to find a way to make closing off-topic questions "less hurtful" for new users, the reality is that that process is going to hurt people's feelings
There's just no way around that.
So again, either we do our best to make it seem less personal, understanding that there will always be people who take it personally
or we turn into Reddit/Quora
@MechMK1 I've never actually used Reddit much, so perhaps they are not the best example of a welcoming community :) I just know that our rules are much stricter
 
Do you want my honest opinion of Reddit?
 
Anonymous
0
Q: Find Buffer Overflows at a target you want to gain access

Dennis FeldbuschI want to pass my OSCP exam and I am learning with the material I got. I watched the videos and read the pdf but I have a question about buffer overflows. In the example in the videos, the guy has access to the target system and can so control, debug and restart the application. So he can see wh...

 
Anonymous
Jesus Fucking Christ.
 
Anonymous
If this guy is taking OSCP in any less than 90 days let me tell you something; he's going to fail.
 
Anonymous
Is this guy serious? He bought OSCP and he doesn't even understand that we build exploits locally before firing them at things...?
 
Anonymous
2:14 PM
Fuck me.
 
Anonymous
I feel bad for this guy. Some idiot probably told him he can do OSCP no problem without fully checking the guys current level.
 
From what I've read one should be good for the OSCP with about 100~150 HTB machines behind them.
 
> I'm new to pentesting and have no experience at all and in 90 days I want to be 1337
 
Anonymous
@JohnZhau Who told you that?
 
Anonymous
There's only like 120~ machines total, so whoever told you that is a fucking idiot.
 
2:16 PM
I just remember reading that somewhere but I'm not believing those random claims
 
Local skiddie discovers this one weird trick to become 1337 in 90 days!
 
Anonymous
I would say the best indicator (if we're using HTB as an indicator) is being able to complete 30-40 point boxes on your own, every time without help.
 
I've also read that the OSCP's difficulty is around that of HTB's "medium" difficulties does that sound true?
 
I am honestly scared of HTB. I never did a single box there before
How hard are the noob boxes? :D
 
Anonymous
OSCP difficulty is around the level of the easy HTB boxes, John.
 
Anonymous
2:18 PM
It's basically just CVE simulator.
 
Anonymous
lmfao.
 
Anonymous
@MechMK1 The 20 & 30 point boxes are dumb easy.
 
Anonymous
40 & 50 point can be quite challenging
 
I'll have to check it out when I have time
There's just this mental barrier, you know what I mean?
Of discovering that i am just a noob and can't even get the easiest box
 
Anonymous
Everyone is a noob, lmfao.
 
2:20 PM
At some point I got the thought: "Googling the answer to a box might be OSINT" but nah
 
Anonymous
In all seriousness, the easy boxes are very easy, medium are pretty damn easy.
 
@J.J Yeah, if you're good
 
Anonymous
It's only the hard & insane boxes which are a struggle because they tend to have A. a lot more steps and B. are more like CTF challenges than anything you'd ever see in the real world so it's a different type of thinking.
 
@MechMK1 Sure. It's certainly not going to hurt my feelings.
 
A DEFCON black badge is just a dream for now
 
Anonymous
2:22 PM
Is that what you get for winning the CTF or something?
 
@ConorMancone I think Reddit has many problems. Many established subreddits are obsessed with "correctness" and unconditional support for something.
 
Anonymous
Didn't GeoHot win DEFCON CTF on his own? (Twice)
 
I'd love to go to a DEFCON but I'm on the other side of the world and everything I need to get in is just damn expensive for me...
 
For example r/somegame (obvious placeholder), where complaints about certain mechanics are banned
 
Anonymous
r/netsec.
 
2:23 PM
Why? Because it would imply that that mechanic is bad, and that would imply that the game is bad, and we can't have that
 
Anonymous
The WORST Subreddit on planet Earth.
 
I've heard somewhere the NSA or something like that has a DEFCON table with something like "If you have a DEFCON black badge, please come talk to us"
 
Anonymous
It is totally indescribable how bad r/netsec is.
 
A lot of reddit also exists in the weird state of circlejerk
Aka. constantly praising reddit and it's community
 
At first I signed up to Reddit for extra study material but it's just serving me memes
 
2:24 PM
And the most unbelievable thing is this shared idea that reddit is somehow an elite clique. It's not like reddit is one of the largest platforms on the internet
It's like saying "Look at me, I'm so 1337 for using Google and Windows!"
 
Reddit just has a lot of "free speech"
 
@JohnZhau In the sarcastic sense, right?
 
Both
 
I want to see you go there and question the Holocaust and see how long your comment stays up
Reddit ain't Voat, my friend.
In fact, Reddit is becoming more and more PC by the day.
 
Anonymous
ffs
 
Anonymous
2:26 PM
I want to go downstairs and get food
 
Anonymous
But theres like 30 people in my house
 
Anonymous
wut
 
You don't grow your own corn in your room?
 
From what I know, it doesn't Zucc posts for being "against community guidelines" like facebook does. As long as a sub allows it, it's fair game. I'm pretty sure there's plenty of f*ed up stuff on Reddit, unlike on FB
 
I thought you were a hacker...
 
Anonymous
2:26 PM
I'm not a hacker.
 
Anonymous
I wish I was.
 
Anonymous
:(
 
If you know how to strings a binary you're a hacker ;3
 
@JohnZhau When Hiddenlol closed, r/Hiddenlol got nuked 4 days after posting gore and Hitler memes
I'm just a Widget developer
Props to those who get it
 
and I like automating stuff
I also did a year "researching" swarm robotics
 
2:30 PM
Reddit does not value free speech at all. And they have never claimed that they would.
 
Anonymous
If I was a hacker @MechMK1 I would know where to get ISOs for Windows Vista & Windows 7 :DDDD
 
Anonymous
I am still trying to fucking find them and I can't - and I need them for my OSCE lab.
 
I have one for Win7 if you need one
 
Anonymous
That would be awesome - is it 32 or 64-bit?
 
64-bit
 
Anonymous
2:31 PM
Perfect.
 
Anonymous
Now just to find Vista... :rolling_eyes:
 
Can you send me your public key please?
 
Anonymous
Can you not just use like... FireFox Send?
 
@MechMK1 yeah, but we actually don't teach that skill ;)
 
Of course we're not just giving our google drive links...
 
2:32 PM
@M'vy We should
@J.J Nope, we do it old-school
 
Anonymous
y i k e s
 
Also because the iso is 3.3 GB
 
Anonymous
Keybase?
 
And send only allows 2.5
If you have your public key there
 
Anonymous
Ouch, I just checked I don't have it there either :D
 
2:34 PM
If you want to be 1337, make an ECC key :D
 
Anonymous
I use ProtonMail it literally just handles this part for me :upside_down:
 
🅶🅸🆃 🅶🆄🅳
 
Anonymous
lol
 
Also it's SP1, if you don't midn
mind*
 
Anonymous
That should be fine.
 
Anonymous
2:36 PM
How the fuck do I get my public key out of Protonmail? lul
 
Anonymous
Can I not just give you my email address? monkaW
 
dude
gpg --list-keys
 
@MechMK1 Yeah, that was my point with the whole "academy" concept ;)
 
@M'vy I'm all for it
 
Anonymous
Bruh how am I gonna use gpg on a windows machine :DDDDDD
 
2:37 PM
gpg4win
 
git-bash ?
 
Anonymous
lmfao
 
I'm not kidding
Use a VM if you must
 
yeah I think they got a pretty nice tool with...
 
But you have 20 minutes before I go offline
Because I am down with the sickness
 
2:38 PM
what's that called again...
 
Anonymous
It's fine, I have a meeting in 5 minutes I don't got time to install gpg4win lmfao
 
And by that I mean I feel like throwing up
 
Anonymous
I can do it later but.
 
@J.J Then just @ me with your pub key
 
Anonymous
Not right now.
 
2:39 PM
gpg --expert --full-gen-key
 
Ah right, kleopatra is nice
 
That too
 
(unless you feel like being a CLI wizard, then git-bash is fine)
 
CLI wizard, aka. any regular linux user
 
yeah
Honestly Kleopatra makes for a good tool, especially if you know the concept from CLI
 
2:44 PM
Yes, though I personally just like using a CLI
 
I think I used the tool because sometimes both GPG (one from Gpg4win and from git-bash embedded) clashed with each other on the command line
 
All my GPG is centralized on my server, and my keys are backed up on paper in my gun safe
"What's in there?" - "My AR-15, tons of ammo, 10k in cash, a fake passport and my private key. You know, all the stuff you need"
So anyways, I'm going to go offline now
I need to relax a bit
And by that I mean I will turn off my work pc and switch to my gaming pc
𝖌𝖎𝖙 𝖌𝖚𝖉, my friends :D
 
@MechMK1 so copying the application and test it for buffer overflows is the common way to find them? Or are there other ways? Could you give me some keywords I can look for or some hints?
 
3:02 PM
@DennisFeldbusch Look for unsafe C functions that allow for memory corruption, either in the source code or while reverse engineering
 
@multithr3at3d is buffer overf
@multithr3at3d is buffer overflow only possible with applications written in c?
 
3:24 PM
Have you some good lecture where I can read about buffer overflows?
 
 
2 hours later…
5:06 PM
@Soteri google my friend.google
 
I am confused by conflicting answers. security.stackexchange.com/a/221356/108649 , for an 'average elder home user' OS patches are largely irrelevant, AV is everthing. security.stackexchange.com/a/224041/108649 , I am correct that patches > AV. I'm confused
 
 
1 hour later…
6:38 PM
This dude really wants to stand by his question and self-answer.
-3
A: Password checking resistant to GPU attacks and leaked password files without introducing a DoS attack on the server?

Ole TangeWe start by the assumption that the attacker only has access to the leaked password file: He is neither a user nor root on neither the client nor the server. He may be able to eavesdrop on traffic at a midpoint, but not on the actual end-points. Thereby we make the fairly ordinary assumption that...

 
 
2 hours later…
8:19 PM
Weird, a user reported us a vulnerability on our wordpress website.
Then a few minutes, another user report the same bug to us with the exact same payload.
Went over full disclosure mailing lists, checked for vulns with wpscan (says it's safe), checked website that list last wordpress / wordpress themes vulns and couldn't find anything relevant to what we have. I asked user for clarification on where he got the payload and remembered him that we do not reward for 0-day vulns even if it does not seem really pro...
 
 
1 hour later…
9:44 PM
@ConorMancone yes, he really things doing Argon2 client-side on a cellphone is a good idea...
 
9:54 PM
@Xavier59 why not reward 0-day? it should be top priority for you... I would ask for details, pay him, and thank him monetarily and on an article, or blog post, or instagram story...
rewarding a 0-day means you are protected faster. rewarding something that wp-scan already told you does not make much sense. One could just wp-scan you every day and have a script analyze the output and automatically send you a mail if wp-scan came up with something...
 

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