diff --git a/detections/endpoint/suspicious_rundll32_plugininit.yml b/detections/endpoint/suspicious_rundll32_plugininit.yml index 956fbc1fc5..1f38049a11 100644 --- a/detections/endpoint/suspicious_rundll32_plugininit.yml +++ b/detections/endpoint/suspicious_rundll32_plugininit.yml @@ -10,12 +10,16 @@ description: This search is to detect a suspicious rundll32.exe process with plu parameter. This technique is commonly seen in IceID malware to execute its initial dll stager to download another payload to the compromised machine. search: '| tstats `security_content_summariesonly` count min(_time) as firstTime max(_time) - as lastTime from datamodel=Endpoint.Processes where `process_rundll32` - Processes.process=*PluginInit* by Processes.process_name Processes.process Processes.parent_process_name Processes.original_file_name + as lastTime from datamodel=Endpoint.Processes where `process_rundll32` Processes.process=*PluginInit* + by Processes.process_name Processes.process Processes.parent_process_name Processes.original_file_name Processes.parent_process Processes.process_id Processes.parent_process_id Processes.dest Processes.user | `drop_dm_object_name(Processes)` | `security_content_ctime(firstTime)` | `security_content_ctime(lastTime)` | `suspicious_rundll32_plugininit_filter`' -how_to_implement: To successfully implement this search you need to be ingesting information on process that include the name of the process responsible for the changes from your endpoints into the `Endpoint` datamodel in the `Processes` node. In addition, confirm the latest CIM App 4.20 or higher is installed and the latest TA for the endpoint product. +how_to_implement: To successfully implement this search you need to be ingesting information + on process that include the name of the process responsible for the changes from + your endpoints into the `Endpoint` datamodel in the `Processes` node. In addition, + confirm the latest CIM App 4.20 or higher is installed and the latest TA for the + endpoint product. known_false_positives: third party application may used this dll export name to execute function. references: @@ -53,11 +57,11 @@ tags: - _time - Processes.dest - Processes.user - - Processes.parent_process_name #parent process name - - Processes.parent_process #parent cmdline + - Processes.parent_process_name + - Processes.parent_process - Processes.original_file_name - - Processes.process_name #process name - - Processes.process #process cmdline + - Processes.process_name + - Processes.process - Processes.process_id - Processes.parent_process_path - Processes.process_path