Hacker Defender v0.84-1.0.0 backdoor -wath Vulnerabiliti it uses to get in



I have had this one in one one of my servers
Hacker Defender v0.84-1.0.0 backdoor

is there anyone that know witch Vulnerabiliti it uses to get in ?

I do belive that my system is protected now - but it would bee nice to know
what "hole" it was using to get in - in the first place

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