Back in the good old days we were sending this to random ICQ users saying something like "hey I'm a game developer and made this game, would you like to try it?". I'm not very proud of that tbh.
Yes, now if you do that you end up with a 2000 word threat analysis write up by a network security startup that claims you’re using sophisticated social engineering.
And a warrant for your arrest, probably.
What you could do was embedding the BO exe inside another exe disguised as a jpg picture. When executed it would extract and run BO in the background and also display a jpg. ICQ conveniently didn't display the end of long filenames, so you could send it as "xyz.jpg[20spaces].exe" and it would seem like you just shared a picture. Worked like a charm the one time I tested this technique on an unsuspecting friend during a LAN party.
Or use silkrope to bundle it with any other .exe
I used to do this exact same trick with Sub7. Good times.
Apparently people still do this on Discord.
if I recall correctly, you could attach this to other binaries via silkrope so the receiver would be unsuspecting.