Security :: Cracking SHA1 With EC2 GPU Instances?

Nov 28, 2010

Had to happen I guess - cheap cracking on the cloud; see here

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Security :: Acceptable Kerberos Encryption - Error "ktutil: AES256/SHA1*: Encryption Type AES256/SHA1* Not Supported"

Dec 23, 2010

I am building an active directory and using BIND9 as my DNS. To allow for secure dynamic updates from the domain, I am enabling GSS-TSIG as detailed here and here. Unfortunately, some of the commands and configurations used here seem to be depreciated, at least in the newer versions that I'm using. My issue is one of keytab encryption. I generated a keytab using ktpass.exe on the Windows Server 2008 domain controller. I have tried DES/MD5, AES128/SHA1 and AES256/SHA1, each have been turned down by ktutil on the kerberos server (FreeBSD). Each time, it outputs the following error: ktutil: AES256/SHA1*: encryption type AES256/SHA1* not supported *Respective to encryption used.

I cannot find a list of suitable encryption schemes that ktutil will accept. The FreeBSD handbook details a means of producing a keytab file, but I'm not sure how to configure the Domain Controller to use the keytab.

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Security :: OpenPGP - MDC Packet - SHA1

Mar 29, 2010

OpenPGP Standard RFC 4880, not really a Linux Question, but as may be using GnuPG on Linux I thought I would ask here

The Modification Detection Code Packet is defined to use SHA-1, even though it does state in section 13.11. that this can be altered, and gives example methods. However this would cause interoperability, (q1)so I assume there is no standard method of doing this??

- How much of a threat do you believe this to be? Even though the SHA-1 hash is encrypted within the symmetrically encrypted integrity protected data packet.

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Ubuntu :: Security Distro Or Cracking Tools?

Mar 25, 2010

I want to see how secure my company is. I am not too concerned about over the wire, more about someone hacking our wireless.

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Ubuntu Security :: 10.10 Vs RHEL 6 For Wireless Cracking?

Mar 28, 2011

I'm in the process of building a Linux server using spare desktop (HP dc 7700p PC with USB wireless adapter) and of course it will be used as the wireless security training exercise so I just wondering if Ubuntu or RHEL is suitable for me to learn ?BackTrack Linux is too hard to use and doesn't automatically detect the USB wireless network card usually.

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Ubuntu Security :: Distro Used For Cracking Win XP Admin Passwords

Jul 25, 2010

I think ubuntu/canonical should start releasing a new flavour geared towards meeting needs of computer security professionals just like backtrack distro

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Security :: THC Hydra And HTTP Brute-force Cracking?

Mar 29, 2011

I set up an ASUS WL-500gP with original ASUS firmware to my LAN with IP address 192.168.1.1. If I navigate to address [URL] in my Firefox address bar, an Authentication required window opens up asking for "User name: " and "Password: ". Correct "User name: " is "admin" and correct "Password: " is "pA55w0Rd". They work fine if I type them in manually to the Authentication required window, but for some reason I can't get in using the hydra with words.txt password file, which contains "pA55w0Rd":

Code:

[root@ ~]# cat words.txt
password
user
pA55w0Rd

[code]....

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General :: Sendmail-2 - Wrong Number Of Instances Of Process Sendmail - Expected Instances Equal

Jun 15, 2011

I have bees assigned a problem which states that :

sendmail-2: Wrong number of instances of process sendmail:, expected instances equal 1 but found 0

THats it...what exactly this means and how should i proceed for solving this problem...

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Ubuntu Networking :: Cracking WEP Protection

Apr 2, 2011

I was wondering how to crack WEP WiFis.I have a WEP connection and was wondering how easy it would be for others to use my internet. I have Ubuntu 10.04 Lucid Lynx. If anybody could me a link to a tutorial, it would be great. I googled it up and currently have aircrack-ng installed and am installing SWScanner.What other tools/dependencies do I need?

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Software :: Getting Cracking Sounds In Audacity

Jun 5, 2011

The previous install went down the drain because the harddrive failed. So: a new install. Due to some limitations, this is the setup (it is for a hobby, nothing pro) P4 with Debian 5, Alsa and OSS installed, Audacity (I know, Ardour, but that thing had the same issues) and a soundblaster as in/out. On the in-plug, there is a mixer panel, there are some synths hooked up. The out goes to PC speakers.

Yea, I know, nothing fancy, but...when I play, I can hear everyhting tru the speakers at pretty good quality. Given that my synth makes some white noise itself, but that's besides the point... So, I hit the record, play and hear everything crystal clear, then I rewind and hit record to record the next track and the previous track has a lot of distortion... Same with the previous setup: Jack and Ardour on a Debian 6... By the way, yes, I do have a LynxOne lying around, but I cant get the drivers...they're not free, unless I missed something...

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CentOS 5 :: DVD No Md5 Or Sha1 Hash File Available?

Jun 13, 2010

I just downloaded CentOS-5.5-i386-bin-DVD.iso from a mirror and there is no check sum file or hash for
this ISO. The md5sum.txt file contains:

[Code]...

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Fedora Installation :: SHA1 Is Not The One In F12-i386-CHECKSUM?

Dec 16, 2009

is there anyone who checked your downloaded file against the provided key? i have successfully downloaded the Fedora-12-i386-DVD.iso several times, but the SHA1 is not the one in Fedora-12-i386-CHECKSUM is there anyone who has the same problem? the SHA1 i calculated is: 0dc8ed436f0b44874454a379e8de5ad057c0115d

[Code]...

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General :: Output Md5 Or Sha1 Along With Fullpath And Filesize

Aug 26, 2010

I am trying to output md5 or sha1 along with fullpath/filename and file size but I dont seem to find a way to do this.

with

Quote:

find . -printf '%s %p'

i can retrieve size and fullpath and filename

however I am not able to merge that info with the md5 or sha1 of the file

my aim is to have a file such as this

6435b607f86b6e6be1e77bb3b1987677d1377275 ./abc/asda/file1.txt 404
6435b607f86b6e6be1e77bb3b987677d13772725 ./abc/asda/file2.txt 1404

also, performance is an issue for me, since i need to get the info out of 10m files (approx 6TB), so commands like find are preferred and less iterations among commands would be great too.

btw i've tried to use something like this

Quote:

find . -type f -printf '%s %p'| xargs awk '{x=system("md5sum "$2)}END {print x" "$2" "$1}'

but variable x contains the return value of the system command md5sum and not the stdout

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Software :: Unable To Install Digest-SHA1?

Dec 21, 2010

I am trying to install bugzila on CentOS release 5.5. In that process I have to install perl package Digest::SHA. I did it through yum (Doesnt seems to be recognized by cpan and bugzila)

1. yum install perl-Digest-SHA
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* addons: mirror.ubiquityservers.com
* base: mirrors.cmich.edu

[Code]...

I am not sure why cpan and bugzila are not recognizing the module and where is the mistake. I am unable to interpret why make file is having problem in cpan Can any one throw some light on what exactly is going wrong with my install

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CentOS 5 :: No MD5 Or SHA1 Sums For Combined ISO Files

Jan 1, 2011

There are md5 and/or sha1 checksum files for the CentOS 5.5 ISO files, e.g. "part 1 of X". However there is no checksum for the combined ISO file. I believe we can check the media at boot time, but it would be nice to have a checksum for the combined ISO's and not just the individual pieces. Any file system should do an error free copy, but there is always the possibility of a copy not happening correctly. Is there any official source for the checksum files I'm looking for? There are sums for CentOS-5.5-x86_64-bin-DVD-1of2.iso and 2of2.iso but nothing for CentOS-5.5-x86_64-bin-DVD.iso.

x86_64 media and their sha1sums are:
0c27f508728f6a96f50e4201cd770fe9e57af3e2 CentOS-5.5-x86_64-bin-1of8.iso
ff57db0cf9af9bfc65471f49444ea92cdc238347 CentOS-5.5-x86_64-bin-2of8.iso
0faf38976fbf4053180a25f7535d66b084092059 CentOS-5.5-x86_64-bin-3of8.iso
b097bf9b747f2d16da00ff29f1e0d40b523b0a55 CentOS-5.5-x86_64-bin-4of8.iso
f1179ec875c0b4792e56f660493e82f0aff5e0f3 CentOS-5.5-x86_64-bin-5of8.iso
009892c8de408dc091e5a96b4a4ab213f2d5fe17 CentOS-5.5-x86_64-bin-6of8.iso
9660e63bd06a68ce94fe98defae1a0806ab834ae CentOS-5.5-x86_64-bin-7of8.iso
80c74ca2622b9aee3621a13a0cf6dbdc7743b4ee CentOS-5.5-x86_64-bin-8of8.iso
a85d7cd41f49f2146177dae52163d5dca276efc2 CentOS-5.5-x86_64-bin-DVD-1of2.iso
bb9a2c140170f10ed854541004539890ef7c68c8 CentOS-5.5-x86_64-bin-DVD-2of2.iso
3a04aa81ef75f329bf245a8c4f02af8137a84fb8 CentOS-5.5-x86_64-LiveCD.iso
231af7ca726557634a1f4d4f57436aab5a75f3b4 CentOS-5.5-x86_64-netinstall.iso

The MD5 sum I get is:
; SlavaSoft Optimizing Checksum Utility - fsum 2.52.00337
; Generated on 01/01/11 at 10:54:56
; 9b0d108cb3a80a9ce1eb9c3bcde0aceb *CentOS-5.5-x86_64-bin-DVD.iso

The SHA1 sum I get is:
; SlavaSoft Optimizing Checksum Utility - fsum 2.52.00337
; Generated on 01/01/11 at 11:12:17
; 40d11a8901a6af0c295a284b17dcdb66a83dc070 ?SHA1*CentOS-5.5-x86_64-bin-DVD.iso

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Debian Multimedia :: K3b Makes Strange Cracking Noise

Jul 1, 2011

I have just installed squeeze 6.0.2 amd64 and noticed when I use k3b to burn/verify a disc, when it has finished burning the media it plays a sound, and rather sound is played which sounds very crackly/muffled.I do not remember this on ubuntu, and I cannot say for sure but I dont recall this happening on squeeze 6.0.1.

Sound plays perfectly in all other applications, no problems whatsoever.This is not a big deal, I just dont remember this happening. I know this isnt the most detailed posting but does anyone have any idea what this could be? I even tried to reinstall k3b through synaptics and the problem still persists.

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General :: Cracking WEP With Aircrack And Kismet / Use It Peacefully In Unison?

Dec 25, 2010

Just a minor question, but I notice with aircrack when it lists networks, it does not list the encryption type of each network.

Which seems fair enough, as you can use Kismet, however on my machine when I end kismet and the server, the monitor interface is not removed and I cannot remove it manually, which screws with aircrack.

SO, is kismet needed to view encryption types of networks, and if so how do you use it peacefully in unison with aircrack?

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General :: Cracking An AT&T Sim Card To Remove Pre-formatted Contacts?

Feb 17, 2010

I have AT&T as a cellphone carrier, using the Pantech Breeze unit.

The SIM card is really annoying, as it has in the Contacts section seven or nine AT&T contacts and services that I do not want, but I cannot delete. I have to scroll through these annoying contacts in order to get to contacts that I really care about.

1. Does anybody know how I can delete these contacts short of using cloning software?

2. If I did use cloning which Ive never done before can I remove these AT&T contacts as part of the cloning process and use the cloned card in the phone?

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Fedora :: Find The Sha1/md5sum Hashes For Fedora14?

Feb 23, 2011

where would i find the sha1/md5sum hashes for fedora14?

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General :: Install To Provide Sha1 And Sha256 Checker?

Jun 12, 2009

Debian 5.0

What package I need to install to provide sha1 and sha256 checker?

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Software :: SHA1-Hashing Differs When Writing To A File?

Mar 9, 2011

it is about the program sha1sum to create SHA1-hashes. As you probably know, SHA1-Hashes do have the length 20 byte. So when I just type:

Code:
sha1sum myfile

it produces an output of

Code:
(some20byte) myfile

just as it should. Now I want to store the 20byte hash in another file, I use this command:

Code:
sha1sum myfile | awk "{print $1}" >> myhash

Unfortunately I'm not familiar with awk, but this should cut off the end of the sha1sum output, which is the name of the file again. The problem here is: The newly created file myhash has the size 41 bytes, and printing it out I can see that it is not the original hash (I wrote a little program to print it bytewise).

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Ubuntu Multimedia :: Xonar DS - Oxygen HD Audio - Spdif Cracking

Jan 22, 2011

Ubuntu 10.10 x64 worked out of the box for me but there is one irritating issue.

I have Xonar DS(Oxygen HD Audio) with analogue 2.1 speakers and spdif passthrough to nvidia GTX260 hdmi output for my tv.

It makes random cracking noise on tv unless something is played, no matter on analogue or digital output, then is noiseless.

Alsa 1.0.23, kernel 2.6.35

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Ubuntu Servers :: Warning: Prerequisite Digest::SHA1 0 Not Found

Oct 7, 2010

This is installed and I get this error. I am attempting to install razor-agents 2.84 and get this error along with: Warning: prerequisite URI::Escape 0 not found.

Both of these were install in CPAN. When I attempt to install them again, they say they are up to date.

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Fedora :: Run Multiple Instances Of Yum At The Same Time?

Jun 24, 2010

Is there any way to run multiple instances of yum at the same time. The need is to speed up the install process.

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General :: Stop All Instances Of Cron?

Oct 28, 2010

I have a cron job that executes a rake task in rails. I noticed in the log that it was running the task 4 times everytime it was executed. The problem is that there are 4 instances of cron running.

I ran code...

So my question is how do I stop the other instances. When I run the stop command now I get this:

Stopping crond: cannot stop crond: crond is not running. [FAILED]

Any ideas? Do the other instances have different names? Is there a way to kill all instances as once?

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Ubuntu :: Two Instances/profiles Of BackInTime?

Aug 12, 2010

I'd like to have BackInTime twice. One for backing up my whole system once a day and one to backup my BA thesis every hour.

I tried to run Nssbackup to backup my thesis, but it didn't work..

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Ubuntu :: All Instances Of Shell Not Working?

Aug 14, 2010

I have a serious problem with my Ubuntu installation (in a VM). In virtually every case where I try to access the command-line (Terminal, logging in directly into shell), I am not getting the command line. I get a blank line, and anything I type in results in the following text being replied:

"WinSCP: this is end-of-file:0"

I know what WinSCP is, and I'm not using it at all. And the result is that I can't run any command-line programs or commands anywhere within the VM anymore.

Both the VM and the host computer have been rebooted multiple times. I actually hadn't edited anything in the VM in a while, and I came across this issue while needing to fix another issue...

Somehow I'd been locked out of my OpenSSH access on the host computer (Windows Vista), and while troubleshooting that, I found that someone was trying to hack into SSH with random password attacks. I haven't noticed any suspicious activity otherwise (no missing files, no malicious programs, no traces of a hacker) but after looking at the logs on the Ubuntu VM, it looks as if someone was trying to get into that computer as well. The only fishy thing I've noticed is the command-line shell issue on the VM.

So, now that I've turned off SSH and I'm trying to get Ubuntu fixed... what can I do? Did some hacker get into the Ubuntu VM and set up a shell redirect or something? Or is this a more innocent or easily fixed issue?

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Ubuntu :: Run Multiple Instances Of Ushare ?

Nov 22, 2010

I have multiple hard drives with videos on them and i can only get the my xbox to read the 1st in my list of directories. So i wanted to know can i run multiple instances of ushare and use one for each hard drive? Is it possible?

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Ubuntu :: Multiple Instances Of Terminal App?

Jun 25, 2011

How can I make it so that I can open multiple new instances of the terminal app by clicking on the corresponding icon? I'm running 11.04 with Gnome 3.

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Ubuntu :: Cannot Run Multiple Instances Of A Program

Jun 29, 2011

If I have a program running in one workspace and then switch to another workspace and open the same program it switches back to the first workspace.

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