Search Evasion Techniques
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FLIRT Signatures Evasion Anti-Disassembly
FLIRT Signature evasion is a technique used by malware to hide malicious code inside legitimate functions from known libraries. FLIRT (Fast Library Identification and Recognition Technology) is a database that contains signature patterns for identifying known functions from legitimate libraries.
Malware authors can abuse these signatures by modifying or adding specific bytes to the code, so that it appears …
Constant Blinding Data Obfuscation
Constant blinding can be employed by malware authors to obfuscate their malicious code, making it harder for security researchers and antivirus software to detect and analyze the malware. By using constant blinding techniques, the malware code can be concealed, increasing its chances of evading detection and maintaining persistence on the target system.
Here's how constant blinding can be utilized …
VBA Purging Antivirus/EDR Evasion
VBA Purging is an obfuscation technique designed to evade detection mechanisms used in malware analysis. When a VBA macro is added to a Microsoft Office document, it is stored in two sections: the PerformanceCache (compiled VBA code) and the CompressedSourceCode (compressed VBA source code). In VBA Purging, the PerformanceCache (compiled code) is completely removed from the module stream, along with …