Elastic Defend high stable eql
Sensitive File Access - Remote Desktop Connection Manager
Identifies an unusual process accessing Remote Desktop Connection Manager settings file. Adversaries may search and steal credentials from administration utilities configuration files.
Detection Logic
file where event.type == "access" and event.outcome == "success" and
/* domain user RID */
user.id : ("S-1-5-21*", "S-1-12-*") and process.pid != 4 and
file.path : "?:\\Users\\*\\AppData\\Local\\*\\Remote Desktop Connection Manager\\RDCMan.settings" and
not process.executable :
("?:\\Program Files (x86)\\Microsoft\\Remote Desktop Connection Manager\\RDCMan.exe",
"?:\\Program Files\\Microsoft\\Remote Desktop Connection Manager\\RDCMan.exe") and
not (process.name : ("RDCMan.exe", "RDCMan-x86.exe", "RemoteDesktopManager.exe") and process.code_signature.subject_name like "Microsoft *" and process.code_signature.trusted == true) and
not (process.code_signature.subject_name == "Fortinet, Inc." and process.code_signature.trusted == true) Field Validations
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