Blacklist for numbers most often called by hackers?

Question

Asterisk

For example, sipnet and the like block calls to some numbers from all over Africa when they hack your account and start calling at your expense.
Question: is it possible to get a list of such black numbers somewhere in case of hacking in order to blacklist at home?

Answer 1

frod.subnets.ru

Answer 2

Restrict call direction with a pattern.
If you have calls only within Russia (for example), then set the corresponding. template _7[34589]XXXXXXXXX