diff --git a/escu/searches/investigative_get_emails_from_source.json b/escu/searches/investigative_get_emails_from_source.json new file mode 100644 index 0000000000..9603a45507 --- /dev/null +++ b/escu/searches/investigative_get_emails_from_source.json @@ -0,0 +1,45 @@ +{ + "channel": "ESCU", + "creation_date": "2019-02-21", + "data_metadata": { + "data_models": [ + "Email" + ], + "data_source": [ + "Email" + ], + "providing_technologies": [ + "Microsoft Exchange" + ] + }, + "fields_required": [ + "src" + ], + "how_to_implement": "To successfully implement this search you must ingest your email logs or capture unencrypted email communications within network traffic, and populate the Email data model.", + "maintainers": [ + { + "company": "Splunk", + "email": "rvaldez@splunk.com", + "name": "Rico Valdez" + } + ], + "modification_date": "2019-02-21", + "original_authors": [ + { + "company": "Splunk", + "email": "rvaldez@splunk.com", + "name": "Rico Valdez" + } + ], + "search": "| tstats `summariesonly` min(_time) as firstTime max(_time) as lastTime count from datamodel=Email.All_Email by All_Email.src | `drop_dm_object_name(\"Email\")` | `ctime(firstTime)` | `ctime(lastTime)` | sort -count | rename All_Email.src as source firstTime as \"First Time\", lastTime as \"Last Time\"", + "search_description": "This search returns a list of all email sources seen in the 48 hours prior to the notable event to 24 hours after, and the number of emails from each source.", + "search_id": "ddc7af28-c34d-4392-af93-7f29a4e8806c", + "search_name": "Get History Of Email Sources", + "search_type": "investigative", + "search_window": { + "earliest_time_offset": 172800, + "latest_time_offset": 86400 + }, + "spec_version": 1, + "version": "1.0" +} diff --git a/escu/stories/dns_hijacking.json b/escu/stories/dns_hijacking.json index 013918a75b..c8a97d57f7 100644 --- a/escu/stories/dns_hijacking.json +++ b/escu/stories/dns_hijacking.json @@ -46,7 +46,8 @@ "Get DNS Server History for a host", "Get DNS traffic ratio", "Get Process responsible for the DNS traffic", - "Investigate Web Activity From src_ip" + "Investigate Web Activity From src_ip", + "Get History Of Email Sources" ], "support_searches": [] },