Deobfuscation

Examine Static Properties

CyberChef

Decode and otherwise analyze data using this browser app.

Website: https://github.com/gchq/CyberChef/ Author: GCHQ License: Apache License 2.0: https://github.com/gchq/CyberChef/blob/master/LICENSE Notes: cyberchef State File: remnux.tools.cyberchef

Malchive

Perform static analysis of various aspects of malicious code.

Website: https://github.com/MITRECND/malchive Author: The MITRE Corporation, https://github.com/MITRECND/malchive/graphs/contributors License: License 2.0: https://github.com/MITRECND/malchive/blob/main/LICENSE Notes: Malchive command-line tools start with the prefix malutil-. See utilities documentation for details. State File: remnux.python3-packages.malchive

1768.py

Analyze Cobalt Strike beacons.

Website: https://blog.didierstevens.com/2021/05/22/update-1768-py-version-0-0-6/ Author: Didier Stevens: https://twitter.com/DidierStevens License: Public Domain Notes: For an overview of this tool, see the Quick Tip article. State File: remnux.scripts.1768

cs-decrypt-metadata.py

Decrypt Cobalt Strike metadata.

Website: https://blog.didierstevens.com/2021/11/12/update-cs-decrypt-metadata-py-version-0-0-2/ Author: Didier Stevens: https://twitter.com/DidierStevens License: Public Domain State File: remnux.scripts.cs-decrypt-metadata

Cobalt Strike Configuration Extractor (CSCE) and Parser

Analyze Cobalt Strike beacons.

Website: https://github.com/strozfriedberg/cobaltstrike-config-extractor Author: Aon / Stroz Friedberg License: Apache License 2.0: https://github.com/strozfriedberg/cobaltstrike-config-extractor/blob/master/LICENSE Notes: csce, list-cs-settings State File: remnux.python3-packages.csce

sets.py

Perform set operations on lines or bytes in text files.

xortool

Analyze XOR-encoded data.

Website: https://github.com/hellman/xortool Author: Aleksei Hellman License: MIT License: https://github.com/hellman/xortool/blob/master/LICENSE State File: remnux.python3-packages.xortool

RATDecoders

Python3 Decoders for Remote Access Trojans

Website: https://github.com/kevthehermit/RATDecoders Author: Kevin Breen: https://twitter.com/KevTheHermit License: MIT License: https://github.com/kevthehermit/RATDecoders/blob/master/LICENSE Notes: malconf State File: remnux.python3-packages.ratdecoders

DC3-MWCP

Parsing configuration information from malware.

Website: https://github.com/Defense-Cyber-Crime-Center/DC3-MWCP Author: Defense Cyber Crime Center - United States Government License: Some parts Public Domain, some MIT License: https://github.com/Defense-Cyber-Crime-Center/DC3-MWCP/blob/master/LICENSE.txt Notes: mwcp State File: remnux.python3-packages.dc3-mwcp

unicode

Display Unicode character properties.

Website: https://github.com/garabik/unicode Author: Radovan Garabik License: GNU General Public License (GPL) v3: https://github.com/garabik/unicode/blob/master/COPYING State File: remnux.python3-packages.unicode

Chepy

Decode and otherwise analyze data using this command-line tool and Python library.

Website: https://github.com/securisec/chepy Author: securisec: https://twitter.com/securisec License: GNU General Public License (GPL) v3: https://github.com/securisec/chepy/blob/master/LICENSE Notes: chepy State File: remnux.python3-packages.chepy

Balbuzard

Extract and deobfuscate patterns from suspicious files.

Website: https://github.com/decalage2/balbuzard Author: Philippe Lagadec: https://twitter.com/decalage2 License: Free, custom license: https://github.com/decalage2/balbuzard Notes: balbuzard, bbcrack, bbharvest, bbtrans State File: remnux.python-packages.balbuzard

base64dump

Locate and decode strings encoded in Base64 and other common encodings.

Website: https://blog.didierstevens.com/2020/07/03/update-base64dump-py-version-0-0-12/ Author: Didier Stevens: https://twitter.com/DidierStevens License: Public Domain Notes: base64dump.py State File: remnux.scripts.base64dump

xor-kpa.py

Implement a XOR known plaintext attack.

Website: https://blog.didierstevens.com/2017/06/06/update-xor-kpa-py-version-0-0-5/ Author: Didier Stevens: https://twitter.com/DidierStevens License: Public Domain State File: remnux.scripts.xor-kpa

NoMoreXOR.py

Help guess a file's 256-byte XOR by using frequency analysis.

Website: https://github.com/hiddenillusion/NoMoreXOR Author: Glenn P. Edwards Jr. License: Free, unknown license State File: remnux.scripts.nomorexor

unXOR

Deobfuscate XOR'ed files.

Website: https://github.com/tomchop/unxor/ Author: Thomas Chopitea License: Apache License 2.0: https://github.com/tomchop/unxor/blob/master/LICENSE State File: remnux.scripts.unxor

brxor.py

Bruteforce XOR'ed strings to find those that are English words.

Website: https://github.com/REMnux/distro/blob/master/files/brxor.py Author: Alexander Hanel, Trenton Tait License: Free, unknown license State File: remnux.scripts.brxor

xorBruteForcer.py

Bruteforce an XOR-encoded file.

Website: https://eternal-todo.com/category/bruteforcer Author: Jose Miguel Esparza License: Free, unknown license State File: remnux.scripts.xorbruteforcer

strdeob.pl

Locate and decode stack strings in executable files.

Website: https://github.com/REMnux/distro/blob/master/files/strdeob.pl Author: TotalHash License: Free, unknown license State File: remnux.scripts.strdeob

ex_pe_xor.py

Search an XOR'ed file for indications of executable binaries.

Website: http://hooked-on-mnemonics.blogspot.com/2014/04/expexorpy.html Author: Alexander Hanel License: Free, unknown license State File: remnux.scripts.ex_pe_xor

cut-bytes.py

Cut out a part of a data stream.

Website: https://blog.didierstevens.com/2015/10/14/cut-bytes-py/ Author: Didier Stevens: https://twitter.com/DidierStevens License: Public Domain State File: remnux.scripts.cut-bytes

format-bytes.py

Decompose structured binary data with format strings.

Website: https://blog.didierstevens.com/2020/02/17/update-format-bytes-py-version-0-0-13/ Author: Didier Stevens: https://twitter.com/DidierStevens License: Public Domain State File: remnux.scripts.format-bytes

translate.py

Translate bytes according to a Python expression.

Website: https://blog.didierstevens.com/programs/translate/ Author: Didier Stevens: https://twitter.com/DidierStevens License: Public Domain State File: remnux.scripts.translate

XORStrings

Search for XOR encoded strings in a file.

Website: https://blog.didierstevens.com/2013/04/15/new-tool-xorstrings/ Author: Didier Stevens License: Free, unknown license State File: remnux.packages.xorstrings

XORSearch

Locate and decode strings obfuscated using common techniques.

Website: https://blog.didierstevens.com/programs/xorsearch/ Author: Didier Stevens: https://twitter.com/DidierStevens License: Public Domain Notes: xorsearch State File: remnux.packages.xorsearch

FLOSS

Extract and deobfuscate strings from PE executables.

Website: https://github.com/mandiant/flare-floss Author: FireEye Inc, Willi Ballenthin: https://twitter.com/williballenthin, Moritz Raabe License: Apache License 2.0: https://github.com/mandiant/flare-floss/blob/master/LICENSE.txt Notes: floss State File: remnux.packages.flare-floss

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