From 32a899cb309eb7fb5bfd0b068b283ea2b192fac1 Mon Sep 17 00:00:00 2001 From: josehelps Date: Tue, 18 Oct 2022 13:14:12 -0400 Subject: [PATCH] removing the testing detection --- detections/endpoint/ssa___wmic_exe.yml | 77 -------------------------- tests/endpoint/ssa___wmic_exe.test.yml | 13 ----- 2 files changed, 90 deletions(-) delete mode 100644 detections/endpoint/ssa___wmic_exe.yml delete mode 100644 tests/endpoint/ssa___wmic_exe.test.yml diff --git a/detections/endpoint/ssa___wmic_exe.yml b/detections/endpoint/ssa___wmic_exe.yml deleted file mode 100644 index 6f5c6c87b9..0000000000 --- a/detections/endpoint/ssa___wmic_exe.yml +++ /dev/null @@ -1,77 +0,0 @@ -name: Windows Rename System Utilities Wmic exe LOLBAS in Non Standard Path -id: 42c9b37c-6928-4e54-8043-2d5265d972dd -version: 1 -date: '2022-10-13' -author: Splunk Threat Research Bot, Splunk -type: Anomaly -datamodel: -- Endpoint_Processes -description: The following analytic identifies Wmic.exe which is a native living off - the land binary or script (LOLBAS) within the Windows operating system that may - be abused by adversaries by moving it to a new directory. The list of binaries was - derived from the https://lolbas-project.github.io site. -search: ssa_input = | from read_ssa_enriched_events() | eval device=ucast(map_get(input_event, - "dest_device_id"), "string", null), user=ucast(map_get(input_event, "dest_user_id"), - "string", null), timestamp=parse_long(ucast(map_get(input_event, "_time"), "string", - null)), process_name=lower(ucast(map_get(input_event, "process_name"), "string", - null)), process_path=lower(ucast(map_get(input_event, "process_path"), "string", - null)), event_id=ucast(map_get(input_event, "event_id"), "string", null)| where - process_name IS NOT NULL AND process_name="wmic.exe"| where process_path IS NOT - NULL AND match_regex(process_path, /(?i)\\windows\\syswow64\\wbem/)=false | eval - start_time=timestamp,end_time=timestamp, entities=mvappend(device, user), body=create_map(["event_id", - event_id, "process_path", process_path, "process_name", process_name]) | into write_ssa_detected_events(); -how_to_implement: To successfully implement this search, you must be ingesting logs - with the process name, command-line arguments, and parent processes from your endpoints. - Collect endpoint data such as Sysmon or Windows Events 4688. -known_false_positives: False positives may be present and filtering may be required. - Certain utilities will run from non-standard paths based on the third-party application - in use. -references: -- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1036.003/T1036.003.yaml -- https://attack.mitre.org/techniques/T1036/003/ -- https://lolbas-project.github.io/ -tags: - analytic_story: - - Unusual Processes - - Living Off The Land - cis20: - - CIS 8 - confidence: 70 - context: - - Source:Endpoint - - Stage:Defense Evasion - dataset: - - https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1036/system_process_running_unexpected_location/dotnet_lolbin-windows-security.log - impact: 20 - kill_chain_phases: - - Actions on Objectives - message: A system process $process_name$ with path $process_path$ spawn in non-default - folder path on host $dest_device_id$ - mitre_attack_id: - - T1036 - - T1036.003 - nist: - - PR.PT - - DE.CM - observable: - - name: dest_device_id - type: Hostname - role: - - Victim - - name: dest_user_id - type: User - role: - - Victim - product: - - Splunk Behavioral Analytics - required_fields: - - dest_device_id - - process_name - - _time - - dest_user_id - - process_path - risk_score: 14 - risk_severity: low - security_domain: endpoint - asset_type: Endpoint -file_path: ba_detection_template.yml diff --git a/tests/endpoint/ssa___wmic_exe.test.yml b/tests/endpoint/ssa___wmic_exe.test.yml deleted file mode 100644 index 7705da820b..0000000000 --- a/tests/endpoint/ssa___wmic_exe.test.yml +++ /dev/null @@ -1,13 +0,0 @@ -name: Windows Rename System Utilities Wmic exe LOLBAS in Non Standard Path Unit Test -tests: -- name: Windows Rename System Utilities Wmic exe LOLBAS in Non Standard Path - file: endpoint/ssa___wmic_exe.yml - pass_condition: '@count_eq(1)' - description: ' Test Windows Rename System Utilities Wmic exe LOLBAS in Non Standard - Path' - attack_data: - - file_name: dotnet_lolbin-windows-security.log - data: https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1036/system_process_running_unexpected_location/lolbas_dataset.log - source: WinEventLog:Security -file_path: ba_test_template.yml -file: endpoint/ssa___wmic_exe.yml