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http://www.covert.io/research-papers/security/Traf%EF%AC%81cking%20Fraudulent%20Accounts%20-%20The%20Role%20of%20the%20Underground%20Market%20in%20Twitter%20Spam%20and%20Abuse.pdf
您即将离开知乎,请注意您的帐号和财产安全。
http://www.covert.io/research-papers/security/Traf%EF%AC%81cking%20Fraudulent%20Accounts%20-%20The%20Role%20of%20the%20Underground%20Market%20in%20Twitter%20Spam%20and%20Abuse.pdf