Official Feline Discussion

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  • Question, for the exploit writeup from a blog about the R*E vuln, are we supposed to receive error messages as shown in the writeup? Burp doesn't return any s****** errors if you direct it to the wrong location for me

  • Type your comment> @m0zzare11a said:

    Question, for the exploit writeup from a blog about the R*E vuln, are we supposed to receive error messages as shown in the writeup? Burp doesn't return any s****** errors if you direct it to the wrong location for me

    From my experience it doesn't cause expected error 500 for random location. You only see an exception if payload 'worked'.

    alt text

  • edited September 2020

    Aite thanks! Had me wondering if I got the correct vuln for quite a bit

  • What a ride. The user was super! and Root was awesome too. If you read the bible for CTFs carefully you will find everything. ;P

    3zCulprit

  • Excellent box. finally rooted! the tips in here are everything you need, don't be afraid to get creative

  • Upload successful! The report will be sent via e-mail.
    no report!!! i got :neutral:

    Scorpion4347

  • @scorpion4347 said:

    Upload successful! The report will be sent via e-mail.
    no report!!! i got :neutral:

    You dont want a report, you want a shell.

    TazWake

    Note: https://www.nohello.com/

    Happy to help people but PLEASE explain your problem in as much detail as possible! If you say vague things like "It's not working", I cant help. This isn't Twitter so my DMs are always open.

    Currently have very limited HTB time but will try to respond as quickly as possible.

  • edited September 2020

    i mean reverse shell not connecting!!!

    Scorpion4347

  • @scorpion4347 said:

    i mean reverse shell not connecting!!!

    Ok - you might want to work on identifying why this is happening or at least more detail about what could be the problem. Simply having a shell fail to connect isn't something people can really help with.

    For example, there are countless reasons why this might be the case:

    • You've used the wrong payload
    • Your payload has a typo
    • Your payload hasn't been put in the right place
    • Your payload isn't being called properly
    • Your attack is hitting the wrong place
    • Your listener isn't working
    • Your listener is expecting something other than what the payload is sending
    • You have a typo in the listener
    • Your firewall is blocking connections

    (etc - this could go on for days).

    This is a hard box, so it does need some trial and error to get attacks working. You need to be comfortable working through what you are trying to do so you can understand where a problem might have occurred. (and remember, if you are too open about what you are asking on the public forum it will get hit for a spoiler)

    TazWake

    Note: https://www.nohello.com/

    Happy to help people but PLEASE explain your problem in as much detail as possible! If you say vague things like "It's not working", I cant help. This isn't Twitter so my DMs are always open.

    Currently have very limited HTB time but will try to respond as quickly as possible.

  • Rooted !
    Feel free to pm me for nudges

  • Rooted. Fun box, not too hard for a hard box but definitely not easy.
    PM me if you need a nudge but be prepared to tell me what you've tried first.

    Hack The Box

  • Rooted, good box with lot of learning points.
    Let me know if you need any help but tell what you tried to avoid me any spoil

  • path is web link without security ?????

    Scorpion4347

  • edited September 2020

    Pretty sure I am looking at the intended exploit. Can someone point me to some good reading material for the exploit?

    I'm not able to get the required code for SUCCESS

    Edit: Rooted the box

    [email protected]:~# whoami;id;hostname
    root
    uid=0(root) gid=0(root) groups=0(root),1(daemon),2(bin),3(sys),4(adm),6(disk),10(uucp),11,20(dialout),26(tape),27(sudo)
    VirusBucket
    
  • edited September 2020

    I loved this one because I'm very interested in learning more about exploiting the type of vulnerability required for foothold.

    This box was quite a lot of work, but got there in the end. Got stuck on user a bit because I thought I had everything I needed, but I didn't. Thanks @m1r3x for pointing that out.

    The lateral movement taught me something I didn't know yet.

    Root wasn't too bad because the way was clear, just needed to put in some time, trial and error to get everything right.

    Let me know if you need help

    GPLO

  • Great box, loved the privesc part.
    Can offer help if you are stucked

    Check for writeups -> https://noxious.tech

  • Where is the root.txt? I just reset the machine and still not in the usual place.

  • Type your comment> @DrinkACoffee said:
    > Where is the root.txt? I just reset the machine and still not in the usual place.

    are you sure you are not in a container?
  • Type your comment> @m1r3x said:

    Type your comment> @DrinkACoffee said:

    Where is the root.txt? I just reset the machine and still not in the usual place.

    are you sure you are not in a container?

    Yup, lol. I found out 1 minute after I posted this haha.

    Thnx!

  • Rooted! Very, very nice box. Learnt a lot from this.

    DM if you need nudges

  • Invalid request
    Picked up _JAVA_OPTIONS: -Dawt.useSystemAAFontSettings=on -Dswing.aatext=true
    curl: (26) Failed to open/read local data from file/application

    Scorpion4347

  • curl: (28) Failed to connect to 10.10.10.205 port 8080: Connection timed out

    Scorpion4347

  • howdy everyone, nice box, I am having trouble with the masonry/carpentry tool 😀, appreciate a PM.

  • @scorpion4347 said:

    curl: (28) Failed to connect to 10.10.10.205 port 8080: Connection timed out

    It looks like curl failed to connect because the connection timed out.

    TazWake

    Note: https://www.nohello.com/

    Happy to help people but PLEASE explain your problem in as much detail as possible! If you say vague things like "It's not working", I cant help. This isn't Twitter so my DMs are always open.

    Currently have very limited HTB time but will try to respond as quickly as possible.

  • @TazWake said:

    @scorpion4347 said:

    curl: (28) Failed to connect to 10.10.10.205 port 8080: Connection timed out

    It looks like curl failed to connect because the connection timed out.

    We got ourselves a comedian, ladies and gentlemen. :lol:

  • @metuldann said:

    We got ourselves a comedian, ladies and gentlemen. :lol:

    Thanks, I try my best.

    TazWake

    Note: https://www.nohello.com/

    Happy to help people but PLEASE explain your problem in as much detail as possible! If you say vague things like "It's not working", I cant help. This isn't Twitter so my DMs are always open.

    Currently have very limited HTB time but will try to respond as quickly as possible.

  • this is the place to learn new things!!!!

    Scorpion4347

  • edited September 2020
    @scorpion4347 said:

    > this is the place to learn new things!!!!

    Along with learning, it is really fun to do. :wink:

    A Chemist doing Penetration Testing - Check the Story here: BinaryBiceps

  • Type your comment> @TazWake said:

    @scorpion4347 said:

    curl: (28) Failed to connect to 10.10.10.205 port 8080: Connection timed out

    It looks like curl failed to connect because the connection timed out.

    LOL

    echo start dumb.bat > dumb.bat && dumb.bat
    doh!

  • Rooted but with some sense of guilt.
    I want to be totally onest: while googling i casually dropped into a spoiler and when i was completely lost for the root path i took some "inspiration" from it.

    Foothold/user: here i had a pretty clear picture of the process, but i could not find the right "tooling". Got a nudge (thx @ricepancakes) to get to user, then i went there..

    root: That's when i fell into temptation. I was struggling to find a possible path.
    Yeah, i saw a lot of things using a common enum script, but i totally missed the point about getting deeper. there i started googling a little bit "too hard" and i fell into the spoiler...i did not took it as a whole. i took just a hint and i tried to get back to my blocking point to see if i could ever be able to spot the way. There i have felt dumb, because the thing to look at was plainly in front of me and i didn't noticed.

    I kinda feel to have cheated for this, thus i am not really satisfied. I spent an hour and a half thinking if it was right or not to submit the root hash... 🤔

    echo start dumb.bat > dumb.bat && dumb.bat
    doh!

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