Archived: Cybercrime tips, for the noobs who want to "1337 haxzors" their friends, or whatever

[Djaqaver]

http://www.ccleaner.com/

Go to Options/settings/securefiledeletion/

Set it to 35

This will delete all the hidden/deleted files that the cops look at.

[SLIM]

Originally Posted by Djaqaverlerron

http://www.ccleaner.com/

Go to Options/settings/securefiledeletion/

Set it to 35

This will delete all the hidden/deleted files that the cops look at.

The ironic thing is the same developers have made a program that allows yu to retrieve deleted files.

If you're using trucrypt and only give them the pass to your safe container then they'll never find it. The only problem with truecrypt is that the boot screen is obvious you're using truecrypt. Try using DCPP encryption as well, that wasn't so bad last time I used it. Truecrypt really is good though.

For erasing Windows Washer and Eraser are the best out there, but the only effective way is to just thermite your harddrive and put in another one if you're that paranoid.

[BadShovelhead]

Just use Eraser, and stop calling everything "cybercrime." Gosh.

[v0x]

Originally Posted by BadShovelhead

Just use Eraser, and stop calling everything "cybercrime." Gosh.

BUT I AM A 1337 ZYB3R-CR1M1N4L d00d!!!!!!!1111one1111

[up2nogood]

Jesus this shit is confusing. I struggle just to understand simple shit.

[Dfg]

Originally Posted by up2nogood

Jesus this shit is confusing. I struggle just to understand simple shit.

It's simple:
If you're hiding CP, use a program that will protect that CP folder. TrueCrypt.

If you want to browse the Internet without getting caught i.e want to view CP and you're not living in Pakistan use a proxy or a program called Tor.

If you want to steal wireless Internet try Backtrack 3 and search on youtube for tutorials.

If you want to clean your system clean i.e History, temporary files use a program called ccleaner. It's simple.


Use Anti-Virus and Firewall along with a secured Operating System (Windows/Mac/Linux) and most importantly use common sense.

Simple.

[up2nogood]

Okay, I downloaded TrueCrypt Setup 6.2a.exe and I have a proxy program ProxyWay that i have been messing with, is that no good?

[Bender]

Will Truecrypt be able to encrypt data stored on a USB? So if the USB is found it will need to be encrypted.

EDIT

Nevermind.

[Dfg]

Originally Posted by up2nogood

Okay, I downloaded TrueCrypt Setup 6.2a.exe and I have a proxy program ProxyWay that i have been messing with, is that no good?

Just practice with it, it's better than having nothing. Also when browsing Zoklet use https:// instead of http://.

Originally Posted by Pandoras Assassin

Will Truecrypt be able to encrypt data stored on a USB? So if the USB is found it will need to be encrypted.

EDIT

Nevermind.

Yes, it can easily do that.

[Bender]

I tried the Truecrypt. Its really easy to use, even for a noob like me. I've already got an encrypted USB and 2 hard disk's. I'd recommend it for anyone who's never encrypted anything before.

[Syphilis]

Secure erasing data and data recovery

Just clicking the delete button won't remove the file from your computer. It's still there on the disk. You need to overwrite it if you don't want anybody to recover it.

If it's not overwritten, there's all kinds of data recovery programs out there that will be able to bring it back.

Overwriting once will stop these programs from recovering the file.

Magnetic force microscopy is sometimes able to recover overwritten data. Last I heard, the most data ever recovered with this technique was 4KB of intact data which had been overwritten by a single pass erase, so there's no need to be too paranoid. It's also difficult, expensive, and nobody will try to use it against you unless you're a really, really bad guy.

Use a 7 pass erase.

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Software for secure data erasure

Windows users: download this program.
http://eraser.heidi.ie/
Can also erase free disk space (to erase files that were previously deleted but not overwritten.)

Mac OS X users:
Use "Secure Empty Trash", or the srm command in the command line.
The command is:

srm -vrm

That does a 7 pass erase.
Disk Utility can do secure erases of the free space on disks.

Linux users:

rm -Prv

That should be a 3 pass erase. If your linux distro has srm, use it instead.

The DBAN live CD is a live linux CD specifically designed for completely erasing drives.

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Using encryption to prevent data recovery

Simple. If your data is encrypted (with a strong algorithm and password) then nobody can access it. A 40+ character password combined with the AES algorithm would take millions of years for supercomputers to brute force.

Remember to keep doing secure erases in case somebody beats the password out of you.

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Physical destruction

If you go this route, you must completely obliterate the drive. Data has been recovered from drives that have been burned, blown up, stomped on, magnetisied, and abused in other horrible ways. This is because the data was still sitting pretty on the fragments of the drive that were not completely destroyed.

Solution? Use a 7 pass erase on the drive. After that, physically destroying the drive becomes redundant, although it's damn fun if you're paranoid and have the money to throw away.

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To recover data:

Photorec and Testdisk are good. They run on any OS.

Data Rescue 2/Data Rescue PC are good too, but not free, and a bit less customisable.

[Syphilis]

Partially overwritten files.

http://en.wikipedia.org/wiki/Disk_editor

Originally Posted by wikipedia

A disk editor is a computer program that allows its user to read, edit, and write raw data (at character or hexadecimal, byte-levels) on disk drives (e.g., hard disks, USB flash disks or removable media such as a floppy disks); as such, they are sometimes called sector editors, since the read/write routines built into the electronics of most disk drives require to read/write data in chunks of sectors (usually 512 bytes). Many disk editors can also be used to edit the contents of a running computer's memory or a disk image.

Unlike hex editors, which are used to edit files, a disk editor allows access to the underlying disk structures, such as the MBR, volume boot records, file system, and directories.

If a file has only been partially overwritten (like if you deleted it normally, not securely, and it got partially overwritten by new files), and can't be detected by normal recovery software, a disk editor would be able to view the raw data remaining on the disk. Assuming you can locate the data hiding on the disk, that is.

http://en.wikipedia.org/wiki/Data_re...le_media_areas

Originally Posted by wikipedia

Storage media may have areas which become inaccessible by normal means. For example, magnetic disks may develop new "bad sectors" after data has been written, and tapes require inter-record gaps. Modern hard disks often feature automatic remapping of marginal sectors or tracks, which the OS may not even be aware of. Attempts to counter data remanence by overwriting may not be successful in such situations, as data remnants may persist in such nominally inaccessible areas.

Data storage systems with more sophisticated features may make overwrite ineffective, especially on a per-file basis.

Journaling file systems increase the integrity of data by recording write operations in multiple locations, and applying transaction-like semantics. On such systems, data remnants may exist in locations "outside" the nominal file storage location.

Some file systems implement copy-on-write or built-in revision control, with the intent that writing to a file never overwrites data in-place.

Technologies such as RAID and anti-fragmentation techniques may result in file data being written to multiple locations, either by design (for fault tolerance), or as data remnants.

Wear levelling can also defeat data erasure, by relocating blocks between the time when they are originally written and the time when they are overwritten.

http://en.wikipedia.org/wiki/Wear_levelling

Originally Posted by wikipedia

EEPROM and flash memory media have individually erasable segments, each of which can be put through a limited number of erase cycles before becoming unreliable. This can be anywhere between 5,000 and 1,000,000 cycles[citation needed], for example, for NAND flash devices. Erasable optical media such as CD-RW and DVD-RW are rated at up to 1,000 cycles (100,000 cycles for DVD-RAM media).

Wear-levelling attempts to work around these limitations by arranging data so that erasures and re-writes are distributed evenly across the medium[2]. In this way, no single erase block prematurely fails due to a high concentration of write cycles.

Conventional file systems like FAT, UFS, HFS, ext2 and NTFS were originally designed for magnetic disks and as such rewrite many of their data structures (such as their directories) repeatedly to the same area. Some file systems aggravate the problem by tracking last-access times, which can lead to file metadata being constantly rewritten in-place.

I'd write something original, but wikipedia did a pretty good job. Disk editors would come in useful if you were trying to recover data in one of these situations.

[Irukanji]

Nice.

I read the title as "Cyberdine tips".....how to hack into skynet or some shit.

[Star Wars Fan]

bampu.......

[Syphilis]

A few warnings for the Mac users out there about encrypted disk images and FileVault

Filevault = Apple's disk encryption software, which only encrypts your home folder. This is not so good because it leaves everything else unprotected, including system logs, and some programs save temporary files outside your home directory. If you've been doing naughty things with your computer, Filevault is probably not going to save you, use PGP Whole Disk encryption instead.

Apple claims their encrypted disk images use either 128 bit or 256 bit AES encryption. This is true, your data is encrypted with AES.

But, your key is stored in the header of the image with 3DES, which is equivalent to 112 bits of security. The same goes for Filevault images.

Use Truecrypt to create encrypted disk images instead.

If you have a "Master Password" set for Filevault, the master password is hashed with 1024 bit RSA, which only provides 72 bits of functional security (which is weak.)

If you've got a master password set, go into the /Library/Keychains folder and securely erase the two "FileVaultMaster" .keychain files. This will remove the master password.

[Syphilis]

Individual file encryption with GPG

Sometimes you just need to encrypt an individual file for whatever reason.

GPG is a free, cross platform piece of software useful for general file encryption and public key/private key cryptography compatible with the OpenPGP (Pretty Good Privacy) standard.

http://en.wikipedia.org/wiki/Pretty_Good_Privacy

Get GPG here:
http://www.gnupg.org/

--------------------------------------------------------------

General instructions for file encryption and decryption with GPG:

To encrypt a file with GPG:

gpg -c [file]
EXAMPLE:
gpg -c myfile.txt

To decrypt a file:

gpg [file]
EXAMPLE:
gpg myfile.txt

To encrypt with ASCII armour add this option:

-a
EXAMPLE:
gpg -c -a myfile.txt

To encrypt with a specific cipher add this:

--cipher-algo [cipher]
EXAMPLE:
gpg -c --cipher-algo aes256 myfile.txt

Ciphers available for use:
AES
AES192
AES256
Twofish
Blowfish
3DES
CAST5 (default)

Encrypt example:

gpg -c -a --cipher-algo twofish myfile.txt

Decrypting that file:

gpg myfile.txt

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If you have Windows or OS X, you can download PGP's software instead of using GPG. That way you don't have to mess around in the command line because you get a nice pretty GUI (Graphical User Interface.)

http://www.pgp.com/

[Syphilis]

Originally Posted by wolfy_9005

Nice.

I read the title as "Cyberdine tips".....how to hack into skynet or some shit.

I wish...
(subtle bump)