While "!XDAB" does not correspond to a known legitimate software brand, the string "XDAB" sometimes appears in technical contexts that might be spoofed by attackers:
The file appears to be part of a series of compressed archives often associated with automated malware delivery or data exfiltration dumps. Files following this specific naming convention—a short, capitalized prefix (like !XDAB ) followed by a parenthetical number—are frequently flagged by security researchers as suspicious artifacts. Security Warning !XDAB_(193).rar
Malicious artifacts seen in the context of a contacted host. details Found malicious artifacts related to "45.67.14.154": ... URL: Hybrid Analysis While "