diff --git a/yml/OtherMSBinaries/Teams.yml b/yml/OtherMSBinaries/Teams.yml new file mode 100644 index 0000000..4ff119a --- /dev/null +++ b/yml/OtherMSBinaries/Teams.yml @@ -0,0 +1,31 @@ +--- +Name: Teams.exe +Description: Electron runtime binary which runs the Teams application +Author: Andrew Kisliakov +Created: 2022-01-17 +Commands: + - Command: Teams.exe + Description: Generate JavaScript payload and package.json, and save to "%LOCALAPPDATA%\\Microsoft\\Teams\\current\\app\\" before executing. + Usecase: Execute JavaScript code + Category: Execute + Privileges: User + MitreID: T1218 + OperatingSystem: Windows + - Command: Teams.exe + Description: Generate JavaScript payload and package.json, archive in ASAR file and save to "%LOCALAPPDATA%\\Microsoft\\Teams\\current\\app.asar" before executing. + Usecase: Execute JavaScript code + Category: Execute + Privileges: User + MitreID: T1218 + OperatingSystem: Windows +Full_Path: + - Path: "%LOCALAPPDATA%\\Microsoft\\Teams\\current\\Teams.exe" +Code_Sample: + - Code: https://github.com/lltltk/LOLBAS-research/tree/master/Teams +Detection: + - IOC: "%LOCALAPPDATA%\\Microsoft\\Teams\\current\\app directory created" + - IOC: "%LOCALAPPDATA%\\Microsoft\\Teams\\current\\app.asar file created/modified by non-Teams installer/updater" +Resources: + - Link: https://l--k.uk/2022/01/16/microsoft-teams-and-other-electron-apps-as-lolbins/ +Acknowledgement: + - Person: Andrew Kisliakov