New Rule: Suspicious Mining Process Creation Event (#2531)

* New Rule: Suspicious Mining Process Creation Event

* added host.os.type==linux

* trying to fix unit testing

* Revert "trying to fix unit testing"

This reverts commit ab3f371300fa400baa287b54e5f38b4855fc6512.

* unit testing fix attempt

* Revert "unit testing fix attempt"

This reverts commit 8b59343a5923a004423cf665b167611ef0129a9d.

* added endgame support

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>

rules/linux/execution_suspicious_mining_process_creation_events.toml

@@ -0,0 +1,49 @@
+[metadata]
+creation_date = "2023/02/08"
+integration = ["endpoint"]
+maturity = "production"
+min_stack_comments = "New fields added: required_fields, related_integrations, setup"
+min_stack_version = "8.3.0"
+updated_date = "2023/03/20"
+
+[rule]
+author = ["Elastic"]
+description = """
+Identifies service creation events of common mining services, possibly indicating the infection 
+of a system with a cryptominer.
+"""
+from = "now-9m"
+index = ["logs-endpoint.events.*", "endgame-*"]
+language = "eql"
+license = "Elastic License v2"
+name = "Suspicious Mining Process Creation Event"
+risk_score = 47
+rule_id = "e2258f48-ba75-4248-951b-7c885edf18c2"
+severity = "medium"
+tags = ["Elastic", "Host", "Linux", "Threat Detection", "Execution", "Elastic Endgame"]
+timestamp_override = "event.ingested"
+type = "eql"
+query = '''
+file where host.os.type == "linux" and event.type == "creation" and
+event.action : ("creation", "file_create_event") and 
+file.name : ("aliyun.service", "moneroocean_miner.service", "c3pool_miner.service", "pnsd.service", "apache4.service", "pastebin.service", "xvf.service")
+'''
+
+
+[[rule.threat]]
+framework = "MITRE ATT&CK"
+  
+[rule.threat.tactic]
+name = "Execution"
+id = "TA0002"
+reference = "https://attack.mitre.org/tactics/TA0002/"
+
+[[rule.threat.technique]]
+name = "Command and Scripting Interpreter"
+id = "T1059"
+reference = "https://attack.mitre.org/techniques/T1059/"
+
+[[rule.threat.technique.subtechnique]]
+name = "Unix Shell"
+id = "T1059.004"
+reference = "https://attack.mitre.org/techniques/T1059/004/"