From e109d53aa97f0773d2bdccf6505cf365e6577624 Mon Sep 17 00:00:00 2001 From: root Date: Mon, 7 Sep 2020 11:53:27 +0000 Subject: [PATCH] Added detection testing service results inDump LSASS via comsvcs DLL --- detections/dump_lsass_via_comsvcs_dll.yml | 23 ++++++++++++----------- 1 file changed, 12 insertions(+), 11 deletions(-) diff --git a/detections/dump_lsass_via_comsvcs_dll.yml b/detections/dump_lsass_via_comsvcs_dll.yml index ed924c62fa..3b99f1e07c 100644 --- a/detections/dump_lsass_via_comsvcs_dll.yml +++ b/detections/dump_lsass_via_comsvcs_dll.yml @@ -1,35 +1,36 @@ -name: Dump LSASS via comsvcs DLL -id: 8943b567-f14d-4ee8-a0bb-2121d4ce3184 -version: 1 +author: Patrick Bareiss, Splunk date: '2020-02-21' description: Detect the usage of comsvcs.dll for dumping the lsass process. how_to_implement: You must be ingesting endpoint data that tracks process activity, including parent-child relationships from your endpoints, to populate the Endpoint data model in the Processes node. The command-line arguments are mapped to the "process" field in the Endpoint data model. -type: ESCU +id: 8943b567-f14d-4ee8-a0bb-2121d4ce3184 +known_false_positives: None identified. +name: Dump LSASS via comsvcs DLL references: - https://modexp.wordpress.com/2019/08/30/minidumpwritedump-via-com-services-dll/ - https://twitter.com/SBousseaden/status/1167417096374050817 -author: Patrick Bareiss, Splunk search: '| tstats `security_content_summariesonly` count min(_time) as firstTime max(_time) as lastTime from datamodel=Endpoint.Processes where Processes.process_name=rundll32.exe Processes.process=*comsvcs.dll* Processes.process=*MiniDump* by Processes.user Processes.process_name Processes.process Processes.dest | `drop_dm_object_name(Processes)` | `security_content_ctime(firstTime)` | `security_content_ctime(lastTime)` | `dump_lsass_via_comsvcs_dll_filter`' -known_false_positives: None identified. tags: analytics_story: - Credential Dumping - mitre_attack_id: - - T1003.001 - kill_chain_phases: - - Actions on Objectives + asset_type: Endpoint + automated_detection_testing: passed cis20: - CIS 3 - CIS 5 - CIS 16 + kill_chain_phases: + - Actions on Objectives + mitre_attack_id: + - T1003.001 nist: - DE.CM security_domain: endpoint - asset_type: Endpoint +type: ESCU +version: 1