Manalyze is a static analysis tool for PE files that you can use to conduct primary assessment on an executable (or set of executables). It collects weak signals that could indicate malicious behavior and displays information that can help a subsequent manual analysis.
If you want to see some sample reports generated by the tool, feel free to try out the web service I created for it: manalyzer.org.
- A static analyzer for PE files
- How to build
- Generating ClamAV rules
- Usage
- People using Manalyze
- Contact
Manalyze was written in C++ for Windows and Linux and is released under the terms of the GPLv3 license. It is a robust parser for PE files with a flexible plugin architecture which allows users to statically analyze files in-depth. Manalyze...
- Identifies a PE's compiler
- Detects packed executables
- Applies ClamAV signatures
- Searches for suspicious strings
- Looks for malicious import combinations (i.e.
WriteProcessMemory+CreateRemoteThread) - Detects cryptographic constants (just like IDA's findcrypt plugin)
- Can submit hashes to VirusTotal
- Verifies authenticode signatures (on Windows only)
There are few things I hate more than checking out an open-source project and spending two hours trying to build it. This is why I did my best to make Manalyze as easy to build as possible. If these few lines don't work for you, then I have failed at my job and you should drop me a line so I can fix this.
$> [sudo or as root] apt-get install libboost-regex-dev libboost-program-options-dev libboost-system-dev libboost-filesystem-dev libssl-dev build-essential cmake git
$> [alternatively, also sudo or as root] pkg install boost-libs-1.55.0_8 libressl cmake git
$> git clone https://github.com/JusticeRage/Manalyze.git && cd Manalyze
$> cmake .
$> make -j5
$> cd bin && ./manalyze --version
Finally, if you want to access Manalyze from every directory on your machine, install it using $> make install from the root folder of the project.
- Get the Boost libraries from boost.org and install CMake.
- Build the boost libraries
cd boost_1_XX_0 && ./bootstrap.bat && ./b2.exe --build-type=complete --with-regex --with-program_options --with-system --with-filesystem- Add an environment variable
BOOST_ROOTwhich contains the path to yourboost_1_XX_0folder.
- Download and install Git
git clone https://github.com/JusticeRage/Manalyze.git && cd Manalyze && cmake .- A Visual Studio project
manalyze.slnshould have appeared in theManalyzefolder!
# Skip these two lines if you already have a sane build environment
user$ xcode-select --install
user$ sudo installer -pkg /Library/Developer/CommandLineTools/Packages/macOS_SDK_headers_for_macOS_10.14.pkg -target /
user$ git clone https://github.com/JusticeRage/Manalyze.git && cd Manalyze
user$ brew install openssl boost
user$ cmake . -DOPENSSL_ROOT_DIR=/usr/local/opt/openssl/ && make -j5
user$ bin && ./manalyze --version
If you need to build Manalyze on a machine with no internet access, you have to manually check out the following projects:
Place the two folders in the external folder as external/yara and external/hash-library respectively. Then run cmake . -DGitHub=OFF and continue as you normally would.
A Docker image for Manalyze is provided by the community. Run docker pull evanowe/manalyze and get additional information here.
Since ClamAV signatures are voluminous and updated regularly, it didn't make a lot of sense to distribute them from GitHub or with the binary. When you try using the ClamAV plugin for the first time, you will likely encounter the following error message: [!] Error: Could not load yara_rules/clamav.yara. In order to generate them, simply run the update_clamav_signatures.py Python script located in bin/yara_rules.
Run the script whenever you want to refresh the signatures.
$ ./manalyze.exe --help
Usage:
-h [ --help ] Displays this message.
-v [ --version ] Prints the program's version.
--pe arg The PE to analyze. Also accepted as a positional
argument. Multiple files may be specified.
-r [ --recursive ] Scan all files in a directory (subdirectories will be
ignored).
-o [ --output ] arg The output format. May be 'raw' (default) or 'json'.
-d [ --dump ] arg Dump PE information. Available choices are any
combination of: all, summary, dos (dos header), pe (pe
header), opt (pe optional header), sections, imports,
exports, resources, version, debug, tls, config, delay, rich
--hashes Calculate various hashes of the file (may slow down the
analysis!)
-x [ --extract ] arg Extract the PE resources to the target directory.
-p [ --plugins ] arg Analyze the binary with additional plugins. (may slow
down the analysis!)
Available plugins:
- clamav: Scans the binary with ClamAV virus definitions.
- compilers: Tries to determine which compiler generated the binary.
- peid: Returns the PEiD signature of the binary.
- strings: Looks for suspicious strings (anti-VM, process names...).
- findcrypt: Detects embedded cryptographic constants.
- packer: Tries to structurally detect packer presence.
- imports: Looks for suspicious imports.
- resources: Analyzes the program's resources.
- mitigation: Displays the enabled exploit mitigation techniques (DEP, ASLR, etc.).
- overlay: Analyzes data outside of the PE's boundaries.
- authenticode: Checks if the digital signature of the PE is valid.
- virustotal: Checks existing AV results on VirusTotal.
- all: Run all the available plugins.
Examples:
manalyze.exe program.exe
manalyze.exe -dresources -dexports -x out/ program.exe
manalyze.exe --dump=imports,sections --hashes program.exe
manalyze.exe -r malwares/ --plugins=peid,clamav --dump all
Contact me or open a pull request if you would like to be added to this list!
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