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Files from Nicolas A. Economou

Email addressneconomou at corest.com
First Active2008-06-17
Last Active2014-11-28
Agafi-ROP x86 ROP-Chainer Tool
Posted Nov 28, 2014
Authored by Nicolas A. Economou

Agafi-ROP is a x86 ROP-Chainer tool oriented to build ROP chains for win32 programs, modules, and running processes.

tags | tool, x86
systems | windows
MD5 | 7a59622f47583ec641ed2e596b612702
Divide Error In Windows Kernel
Posted Dec 12, 2013
Authored by Core Security Technologies, Nicolas A. Economou | Site coresecurity.com

Core Security Technologies Advisory - Windows kernel is prone to a security vulnerability when executing the (GDI support) function 'RFONTOBJ::bTextExtent' located in 'win32k.sys'. This vulnerability could be exploited by an attacker to crash the windows kernel by calling the user mode function 'NtGdiGetTextExtent' with specially crafted arguments. Microsoft admits that this vulnerability may allow Elevation of Privilege attacks but did not provide further technical details.

tags | exploit, kernel
systems | windows
advisories | CVE-2013-5058
MD5 | b4dcb37b5b61cdb9c7b2af2cd6369c63
Core Security Technologies Advisory 2011.0526
Posted Sep 13, 2011
Authored by Core Security Technologies, Nicolas A. Economou | Site coresecurity.com

Core Security Technologies Advisory - A security vulnerability was discovered in the Windows Internet Name Service (WINS). The vulnerability could allow elevation of privilege if a user receives a specially crafted WINS replication packet on an affected system running the WINS service. An attacker must have valid logon credentials and be able to log on locally in order to exploit this vulnerability.

tags | exploit
systems | windows
advisories | CVE-2011-1984
MD5 | f4c207b4130dd7921424dff69fcd2964
Core Security Technologies Advisory 2011.0203
Posted Jun 14, 2011
Authored by Core Security Technologies, Nicolas A. Economou | Site coresecurity.com

Core Security Technologies Advisory - A security vulnerability was found in the driver 'vmswitch.sys', associated to the Windows Hypervisor subsystem, allowing an authenticated local DoS. The vulnerability could allow denial of service if a specially crafted packet is sent to the VMBus by an authenticated user in one of the guest virtual machines hosted by the Hyper-V server. The impact is all guests on that host became non-responsive. An attacker must have valid logon credentials and be able to send specially crafted content from a guest virtual machine to exploit this vulnerability.

tags | exploit, denial of service, local
systems | windows
advisories | CVE-2011-1872
MD5 | 72de1a7107453a55281e3c929cf45696
Core Security Technologies Advisory 2009.0803
Posted Mar 16, 2010
Authored by Core Security Technologies, Diego Juarez, Nicolas A. Economou | Site coresecurity.com

Core Security Technologies Advisory - A vulnerability found in the memory management of the Virtual Machine Monitor makes memory pages mapped above the 2GB available with read or read/write access to user-space programs running in a Guest operating system.

tags | advisory
MD5 | 936c26e59571a54c68f677c92c973253
Turbodiff 1.01 Beta Release 1
Posted Oct 21, 2009
Authored by Nicolas A. Economou | Site corelabs.coresecurity.com

Turbodiff is a binary diffing tool developed as an IDA plugin. It discovers and analyzes differences between the functions of two binaries.

MD5 | 5f2c078b007ca0eb8b6c1d7fc271c025
iphonedbg-toolkit-1.01.tgz
Posted Jun 17, 2008
Authored by Nicolas A. Economou | Site oss.coresecurity.com

The iPhoneDbg Toolkit is a set of tools that will enable you to delve into iPhone binary reversing. The iPhone Debugger allows you to debug running or newly-created native processes inside iPhone. The Library Loader Patcher will allow to debug iPhone libraries. You can also build a tunnel from your PC to your iPhone through USB.

tags | telephony
systems | apple, iphone
MD5 | 9ae4ad8c0a267d937a21a3a771c0ccdf
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