#利用schtasks 创建计划任务
schtasks /create /tn "backdoor" /tr "___" /sc onlogon
#powershell 隐藏执行的终端
powershell -windowstyle hidden -command '_____'
schtasks /create /tn "backdoor" /tr "powershell -windowstyle hidden -command '_____'" /sc onlogon