STEM CTF: Cyber Challenge 2017 Binary 200 Writeup

Posted on Sat 21 October 2017 in ctf • Tagged with ctf

A couple of weeks ago I participated in the STEM CTF Cyber Challenge 2017 and would like to share some of my solutions in the next couple of posts.

Binary 200

We get a file called b2_79d817f70e8e9a0c0e001069d7d488e9a4211eac that contains some comments and some assembler source code.

# Can U reverse spim-er …

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STEM CTF: Cyber Challenge 2017 Binary 150 Writeup

Posted on Sun 08 October 2017 in ctf • Tagged with ctf

Wow, first post after 7 years of inactivity and its going to be my first CTF writeup. A couple of weeks ago I participated in the STEM CTF Cyber Challenge 2017 and would like to share some of my solutions in the next couple of posts.

Binary 150

We got …


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Ported GnGeo for the Pandora

Posted on Tue 22 June 2010 in Pandora • Tagged with pandora, emulator, port

UPDATE 3: There was a bug that made it unable to add rom directories. Fixed please redownload gngeo-0.7-xgngeo-r1.pnd

UPDATE 2: With the help of my buddy AlexanderS I modified the gui of xgngeo. There is no rom select dialog anymore. This is now done in the main window …


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Ported Numpty Physics for the Pandora

Posted on Tue 15 June 2010 in Pandora • Tagged with pandora, port, game

My Pandora (openpandora.org) finally arrived. Its awesome. So for some learning purposes i ported a game. Here is my Port of Numpty Physics.

numptyphysics-b1.pnd

I did no optimizations, just cross compiled it and packed a pnd file.

Update:

I just build the same code with all ARM NEON …


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Building a crosscompiler Take 2

Posted on Mon 22 March 2010 in Android • Tagged with android, crosscompiler, gentoo, arm, milestone

The command to build a toolchain, that works with version 2.0.1 of the Motorola Milestone firmware, on gentoo is:

crossdev --kernel 2.6.29 arm-none-linux-gnueabi

(It worked for me)

Like in my first article I tested to build a helloWorld program and the bash shell. The steps needed …


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Update the Milestone to firmware 2.0.1 with root

Posted on Sun 14 February 2010 in Android • Tagged with android, milestone, root, update

Firmware 2.0.1 is out for all versions of the Milestone since about one week. It seems that Motorola did not patch the exploit that allows us to get root. If that was done intentional, its a huge step for freedom. (if not its just business as usual and …


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Cross compile code for the Motorola Milestone using Gentoo

Posted on Tue 02 February 2010 in Android • Tagged with android, crosscompiler, gentoo, arm, milestone

The toolchain build in this article currently only works with version 2.0 of the Milestone firmware, but I wrote another short article about getting a working toolchain for 2.0.1.

When I first used ConnectBot to get a local shell, I immediately felt some kind of incompleteness. I …


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