The timing of the attack can be linked to a number of situations,including a certain time or date,the presence of a particular file,the security privilege level of the user,and the number of times a file is used.

• 攻击的时间与多种情况有关，包括：某个时间或日期、特定用户识别符的出现、用户的安全保密等级和一个文件使用的次数。