ExeScan : PE File Anomaly Detector Tool

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ExeScan - PE File Anomaly Detector Tool

Author: Amit Malik

Contents

About
Features Updated
Requirements
Using ExeScan
Screenshots
Release History
Download ExeScan v2.6

About ExeScan

ExeScan is the FREE console based tool to detect anomalies in PE (Portable Executable) files. It quickly scans given executable file and detect all kind of anomalies in its PE header fields including checksum verifications, size of various header fields, improper size of raw data, non-ascii/empty section names etc.

Various packers/protectors modify PE header to make reversing harder. Sometimes anomalies in PE header may crash Debugging tools thereby blocking your attempt to reversing. Such anomalies can also make some of the GUI based PE analysis tools to fail to parse PE headers.

In such cases ExeScan can come handy by helping you to quickly detect such anomalies. Then you can fix them and proceed to further analysis of malware.

In addition to finding various anomalies, it can also detect packer/compiler used to pack/build the target executable file. Being console based tool, you can easily integrate it with your malware automation suite.

Features

Here are the main feature highlights

Quickly detect all kind of Anomalies in EXE/PE file.
Console tool makes it easy for automation.
Compiler and Packer signatures detection
Scan for commonly used malware APIs
PE header and Import table structure dispaly
Native support for report generation

Requirements

ExeScan requires following components

Python - Install latest version of Python.
PEFile - PE File Python Module by Ero Carrera

Using ExeScan

ExeScan is very simple and easy to use.

Here are the brief usage details

Before you launch - make sure you have installed all the above mentioned requirements.
Next launch command prompt (start=>Run=>cmd.exe) and move to directory where you have extracted ExeScan file
Then type 'exescan.py -a <path to exe file>' and instantly it will show all the anomalies along with other PE information as shown in the screenshot below.

Screenshots

Here is the screenshot of ExeScan detecting various anomalies in packed PE file

Release History

Version 2.6 : 16th Sep 2012

Display the type of file (EXE/DLL). Listing of export table. Store the reports in more organized way with MD5 hash name for that folder.

Version 2.5 : 12th Apr 2012

Supports extraction of all ASCII strings from the executable. Also improves the accuracy of "Malware API" results.

Version 2.0 : 31st Jan 2012

Native support for report generation, better display of PE file header, more professional look, bug fixes in regular expression etc

Version 1.5 : 5th Oct 2011

New version v1.5 adds support for automatically processing all EXE files in the directory.

Version 1.0 : 5th June 2011

First public release of ExeScan

Disclaimer

ExeScan tool is released "as is" without any warranty of any kind, neither SecurityXploded nor the author is responsible for any damage due to use or misuse of this tool.

Read complete License & Disclaimer terms here.

Download ExeScan

FREE Download ExeScan v2.6

License : Freeware
Platform : Windows XP, 2003, Vista, Win7

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