Forked from trietptm/Native-Windows-Useragentss.txt
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Native Windows UserAgents for Threat Hunting
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| //Invoke-WebRequest in Powershell - manually whitelist legit content first: | |
| Mozilla/*WindowsPowerShell/* | |
| System.Net.WebClient.DownloadFile(): | |
| None | |
| //Start-BitsTransfer - manually whitelist legit content first: | |
| Microsoft BITS/* | |
| //certutil.exe - manually whitelist legit content first: | |
| "Microsoft-CryptoAPI/*" & "CertUtil URL Agent" | |
| //regsvr32.exe (unreliable) | |
| Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 10.0; Win64; x64; Trident/7.0; .NET4.0C; .NET4.0E) | |
| //Empire Powershell - should never trigger | |
| Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko | |
| Mozilla/6.0 (X11; Linux x86_64; rv:24.0) Gecko/20140205 Firefox/27.0 Iceweasel/25.3.0 | |
| Mozilla/5.0 (Windows NT 6.3; rv:36.0) Gecko/20100101 Firefox/36.0 | |
| //MSIexec | |
| Windows_Installer |
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OfficeClickToRun(apparently used by Microsoft Office update downloads?) is the second biggest User-Agent I'm seeing from an ongoing distributed download attempt.