It's not just this site; MathOverflow, Stack Apps and Ask Ubuntu are under attack as well. Here is a list of those posts. SmokeDetector will cast four spam flags on all these posts (so only two by 'real' users are necessary to destroy the spam), but unfortunately it has a bit of a backlog right now so it might take a while to kick in.

♦ moderators can't do much else than flagging as spam as well; the Community Team can temporarily disable anonymous write access to the site. Unfortunately, they have another far bigger problem at their hands at the moment, but I'll try to reach them about this.

It's not just this site; MathOverflow, Stack Apps and Ask Ubuntu are under attack as well. Here is a list of those posts. SmokeDetector will cast four spam flags on all these posts (so only two by 'real' users are necessary to destroy the spam), but unfortunately it has a bit of a backlog right now so it might take a while to kick in.

♦ moderators can't do much other than flagging as spam as well; the Community Team can temporarily disable posting by unregistered accounts (though that doesn't help right now, as @Kulfy correctly notes) or try something else. Unfortunately, they have another far bigger problem at their hands at the moment, but I'll try to reach them about this.

It's not just this site; MathOverflow, Stack Apps and Ask Ubuntu are under attack as well. Here is a list of those posts. SmokeDetector will cast four spam flags on all these posts (so only two by 'real' users are necessary to destroy the spam), but unfortunately it has a bit of a backlog right now so it might take a while to kick in.

♦ moderators can't do much else than flagging as spam as well; the Community Team can temporarily disable anonymous write access to the site. Unfortunately, they have another far bigger problem at their hands at the moment, but I'll try to reach them about this.

It's not just this site; MathOverflow, Stack Apps and Ask Ubuntu are under attack as well. Here is a list of those posts. SmokeDetector will cast four spam flags on all these posts (so only two by 'real' users are necessary to destroy the spam), but unfortunately it has a bit of a backlog right now so it might take a while to kick in.

♦ moderators can't do much else than flagging as spam as well; the Community Team can temporarily disable anonymous write access to the site. Unfortunately, they have another far bigger problem at their hands at the moment, but I'll try to reach them about this.