Use Talos IP Blacklist on your ASA

Create bash script:

#!/bin/bash
    wget -q https://talosintelligence.com/documents/ip-blacklist
    ipblack=( $(cut -d ';' -f2 ip-blacklist ) )
    echo "conf t"
    for ip in "${ipblack[@]}"
        do
        echo "name $ip TALOS_BLACKLIST_$ip"
    done

    echo "no object-group network TALOS_BLACKLIST"
    echo "object-group network TALOS_BLACKLIST"
    for ip in "${ipblack[@]}"
        do
        echo "network-object host $ip"
    done
    echo "!"
    echo "exit"

Run it, copy-paste output to your ASA:

        ./talos-ipblacklist.sh > talos-blacklist.cfg

Source