Do you like giant DNS queries? Sophos does
Sophos Web Protection Sophos Web Protection Sandbox: execFile · Timeout: 30s
network.exfiltration.dns examples:
Do you like giant DNS queries? Sophos does.
Sophos Web Protection, for reasons surpassing understanding, performs DNS lookups using b64-encoded data as subdomains to sophosxl.net. This creates a gigantic amount of DNS queries, all of which look like data exfil, because technically they are.
Contributed by mttaggart