Mortar - Evasion Technique To Defeat And Divert Detection And Prevention Of Security Products (AV/EDR/XDR)

red teaming evasion technique to defeat and divert detection and prevention of security products.Mortar Loader performs encryption and decryption of selected binary inside the memory streams and execute it directly with out writing any malicious indicator into the hard-drive. Mortar is able to bypass modern anti-virus products and advanced XDR solutions and it has been tested and confirmed bypass for the following:

detailed research and techniques : https://0xsp.com/security%20research%20&%20development%20(SRD)/defeat-the-castle-bypass-av-advanced-xdr-solutions

CrestCon Asia 2021 talk : https://www.youtube.com/watch?v=H7EMBz7GLMk

Encryptor

Loader (DLL)

for bypassing Cortex XDR,add agressor.dll with bin.enc in the same folder and script the following bat file

for normal usage you can directly execute the agressor.dll

Loader (EXE)

the executable version has more options you can use, as you able to pass commands for the loaded binary

the project has been coded using FPC(Free Pascal), the compiling procedures are straightforward by downloading and installing Lazarus IDE (https://www.lazarus-ide.org/index.php?page=downloads) and navigate into file > open -> Run -> build

either by downloading and installing Lazarus-IDE from the official site(https://www.lazarus-ide.org/index.php?page=downloads)

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