From e97b4e50158f691a6f8432beaac21ca74b3ddfdb Mon Sep 17 00:00:00 2001 From: Michael Haag <5632822+MHaggis@users.noreply.github.com> Date: Mon, 28 Nov 2022 06:27:13 -0700 Subject: [PATCH] Update common_ransomware_extensions.yml --- .../endpoint/common_ransomware_extensions.yml | 20 ++++++++++++++++--- 1 file changed, 17 insertions(+), 3 deletions(-) diff --git a/detections/endpoint/common_ransomware_extensions.yml b/detections/endpoint/common_ransomware_extensions.yml index 74aa6d9ece..169c6051b9 100644 --- a/detections/endpoint/common_ransomware_extensions.yml +++ b/detections/endpoint/common_ransomware_extensions.yml @@ -46,9 +46,7 @@ tags: impact: 90 kill_chain_phases: - Actions on Objectives - message: A file - $file_name$ was written to disk on endpoint $dest$ by user $user$, - this is indicative of a known ransomware file extension and should be reviewed - immediately. + message: The device $dest$ wrote $file_count$ files to $path_count$ path(s) with the $file_extension$ extension. This extension and behavior may indicate a $Name$ ransomware attack. mitre_attack_id: - T1485 nist: @@ -67,6 +65,22 @@ tags: type: File Name role: - Victim + - name: file_count + type: Other + role: + - Other + - name: path_count + type: Other + role: + - Other + - name: file_extension + type: Other + role: + - Other + - name: Name + type: Other + role: + - Other product: - Splunk Enterprise - Splunk Enterprise Security