每一个做安全蓝队的都知道威胁检测,最近遇到一个powershell通信检测,实践如下。 检测字符串中是否包含 powershell 语句,我的思路是对 powershell 语句提取强特征和弱特征,如果字符串命中powershell强特征,则直接判定包含 powershell 语句,或者命中2条powershell弱特征,也判定包含 powershell 语句,实际测试效果不错。 a...
-match and -notmatch use regular expressions to search for pattern in the left-hand side values. Regular expressions can match complex patterns like email addresses, UNC paths, or formatted phone numbers. The right-hand side string must adhere to the regular expressions rules. Scalar examples: ...
例如，输入”They are students.”和”aeiou”，则删除之后的第一个字符串变成”Thy r stdnts.”。 ...
title: unique string of 43-59 characters long (including spaces) Don't include site identifier (it's autogenerated) Use sentence case - capitalize only the first word and any proper nouns description: 115-145 characters including spaces - this abstract displays in the search result ...
How to implement search text in zip-archive using powershell How to import a certificate to IIS 7 or 8 with powershell how to import an .csv file from the current location. How to Import Multiple Modules? How to import PrintManagement module How to import the scheduled task using powers...
Replace char[] array in CompletionRequiresQuotes with cached SearchValues (#24907) (Thanks @ArmaanMcleod!) Update IndexOfAny calls with invalid path/filename to SearchValues<char> for more efficient char searching (#24896) (Thanks @ArmaanMcleod!) Seal internal types in PlatformInvokes (#24826)...
(*) wildcard to search all files in the current directory with the file name extension.txt. ThePatternparameter specifies the text to matchGet-.Select-Stringdisplays the output in the PowerShell console. The file name and line number precede each line of content that contains a match for ...
String而不是手动调用Get-Content,您还可以显著简化代码: $filesWithKeyword = Get-ChildItem $path -Include "$Filename" -Recurse |Where-Object { $_ |Select-String -Pattern $searchword -SimpleMatch |Select-Object -First 1 } $filesWithKeyword现在包含所有FileInfo对象,其中Select-String在磁盘上的相应...
-FileSets the name of a script fi le to execute. -InputFormatSets the format for data sent to PowerShell as either text string or serialized XML. The default format is XML. Valid values are text and XML. -NoExitDoes not exit after running startup commands. This parameter is useful when...
[-UnixSocket <UnixDomainSocketEndPoint>] [-Proxy <Uri>] [-ProxyCredential <PSCredential>] [-ProxyUseDefaultCredentials] [-Body <Object>] [-Form <IDictionary>] [-ContentType <String>] [-TransferEncoding <String>] [-InFile <String>] [-OutFile <String>] [-PassThru] [-Resume] [-SkipHttp...