I am a cyber security researcher from China，I want to contribute some ET PRO rules to your ET PRO rule set , if i can earn some money by cooperating with your compony(https://etadmin.proofpoint.com/)?
I have a lot of precise research on Chinese system of software or platforms. I have studyed many hot RAT tools、tunnels and so on.
I really hope to cooperate with you。
Best regards to you.