Re: [心得] 兩天內家裡兩台電腦都被勒索
原PO的Windows有沒有做更新?
上個月3/14日微軟修補了一系列很重要的安全性更新,
其中包括MS17-010的SMB漏洞,
這個漏洞有現成打包好的工具可以掃描網路上的主機,
只要發現對方的port 445是開著並且沒有打補丁,
就可以利用SMB的漏洞入侵電腦放置木馬,
現在有很多人利用這個工具在網路上掃描,尋找可以攻擊的對象。
被攻擊的電腦有可能當機藍畫面或重開機,
入侵後可以放挖礦程式,可以放勒索,可以創建新帳戶,甚至遠端控制電腦,
如果被拿到整個系統的掌控權,防毒就等於完全沒有作用。
WIN10因為這個漏洞覆蓋的記憶體區段是不可執行的,
因此無法利用這個漏洞進行攻擊,躲過一劫。
所以有重大的安全性更新的話,一定要記得打補丁,
如果三月的時候有做安全性更新,或者有防火牆封鎖445,
或者電腦沒有拿實體IP,就不會受到影響。
新聞報導
超過3萬台PC被植入NSA攻擊工具DoublePulsar,台灣受害數量名列第3
http://www.ithome.com.tw/news/113667
DoublePulsar災情擴大至少12萬台PC失守
http://www.ithome.com.tw/news/113704
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