This can help determine if it is a known malicious campaign. CVE-2023-38831 zero-Day vulnerability in WinRAR - Group-IB
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 Revirado.rar
Cybercriminals create a .rar or .zip archive that appears to contain harmless files (e.g., invoice.pdf , image.jpg ). However, when the user opens these files, WinRAR erroneously triggers a hidden malicious script (e.g., .vbs or .cmd files) instead of the document. This can help determine if it is a known malicious campaign
Online sandbox analysis of similar VBScript-based threats ( .vbs.bin ) reveals the following components: However, when the user opens these files, WinRAR
PCAP files indicate communication with external servers. 🚨 How to Protect Yourself
Frequent use of wscript.exe to execute scripts stealthily.
Avoid opening unexpected .rar or .zip files from unknown sources.