Bds30.rar -

It could be a specific, perhaps newer or less-documented, sample of a backdoor (BDS often stands for "BackDoor Services") or a trojan.

(e.g., a specific CTF platform like Hack The Box, a suspicious email, or a forum?) bds30.rar

To help me give you a better write-up, could you share a bit more context? For instance: It could be a specific, perhaps newer or