Ensure you are using the latest version of WinRAR, as RARLAB released a patch in August 2023.
🛡️ Threat Intelligence Report: The "Revirado" (Spoofed) RAR Technique CVE-2023-38831. Core Mechanism: File Extension Spoofing. Revirado.rar
Online sandbox analysis of similar VBScript-based threats ( .vbs.bin ) reveals the following components: Ensure you are using the latest version of
Avoid opening unexpected .rar or .zip files from unknown sources. Revirado.rar
The malicious payload often hides within a subdirectory inside the archive that matches the fake file name, bypassing basic user suspicion. 💻 Analysis of Typical Malicious Payloads
Frequent use of wscript.exe to execute scripts stealthily.