From cb5f9e6a2bfe91f583d7ce196597c636e8ede0bc Mon Sep 17 00:00:00 2001
From: Samirbous <64742097+Samirbous@users.noreply.github.com>
Date: Tue, 6 Apr 2021 17:50:02 +0200
Subject: [PATCH] [New Rule] Persistence via WMI Standard Registry Provider
 (#1040)

* [New Rule] Persistence via WMI Standard Registry Provider

* Update persistence_via_wmi_stdregprov_run_services.toml

* Update persistence_via_wmi_stdregprov_run_services.toml

* fixing Mitre technique stuff

* Update rules/windows/persistence_via_wmi_stdregprov_run_services.toml

Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com>

* added few regpaths

Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com>
---
 ...tence_via_wmi_stdregprov_run_services.toml | 95 +++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 rules/windows/persistence_via_wmi_stdregprov_run_services.toml

diff --git a/rules/windows/persistence_via_wmi_stdregprov_run_services.toml b/rules/windows/persistence_via_wmi_stdregprov_run_services.toml
new file mode 100644
index 000000000..857e8a432
--- /dev/null
+++ b/rules/windows/persistence_via_wmi_stdregprov_run_services.toml
@@ -0,0 +1,95 @@
+[metadata]
+creation_date = "2021/03/15"
+maturity = "production"
+updated_date = "2021/03/15"
+
+[rule]
+author = ["Elastic"]
+description = """
+Identifies use of the Windows Management Instrumentation StdRegProv (registry provider) to modify commonly abused
+registry locations for persistence.
+"""
+from = "now-9m"
+index = ["logs-endpoint.events.*", "winlogbeat-*", "logs-windows.*"]
+language = "eql"
+license = "Elastic License v2"
+name = "Persistence via WMI Standard Registry Provider"
+references = ["https://docs.microsoft.com/en-us/previous-versions/windows/desktop/regprov/stdregprov"]
+risk_score = 73
+rule_id = "70d12c9c-0dbd-4a1a-bc44-1467502c9cf6"
+severity = "high"
+tags = ["Elastic", "Host", "Windows", "Threat Detection", "Persistence"]
+timestamp_override = "event.ingested"
+type = "eql"
+
+query = '''
+registry where 
+ registry.data.strings != null and process.name : "WmiPrvSe.exe" and
+ registry.path : (
+                  "HKEY_USERS\\*\\Software\\Microsoft\\Windows\\CurrentVersion\\Run\\*",
+                  "HKLM\\Software\\Microsoft\\Windows\\CurrentVersion\\Run\\*",
+                  "HKLM\\Software\\WOW6432Node\\Microsoft\\Windows\\CurrentVersion\\Run\\*",
+                  "HKEY_USERS\\*\\Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer\\Run\\*",
+                  "HKLM\\Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer\\Run\\*",
+                  "HKLM\\Software\\Microsoft\\Windows\\CurrentVersion\\RunOnce\\*",
+                  "HKLM\\Software\\Microsoft\\Windows\\CurrentVersion\\RunOnceEx\\*",
+                  "HKEY_USERS\\*\\Software\\Microsoft\\Windows\\CurrentVersion\\RunOnce\\*",
+                  "HKEY_USERS\\*\\Software\\Microsoft\\Windows\\CurrentVersion\\RunOnceEx\\*",
+                  "HKLM\\SYSTEM\\*ControlSet*\\Services\\*\\ServiceDLL",
+                  "HKLM\\SYSTEM\\*ControlSet*\\Services\\*\\ImagePath",
+                  "HKEY_USERS\\*\\Software\\Microsoft\\Windows NT\\CurrentVersion\\Winlogon\\Shell\\*", 
+                  "HKEY_USERS\\*\\Environment\\UserInitMprLogonScript", 
+                  "HKEY_USERS\\*\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Windows\\Load", 
+                  "HKEY_USERS\\*\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Winlogon\\Shell", 
+                  "HKEY_USERS\\*\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Policies\\System\\Shell", 
+                  "HKEY_USERS\\*\\SOFTWARE\\Policies\\Microsoft\\Windows\\System\\Scripts\\Logoff\\Script", 
+                  "HKEY_USERS\\*\\SOFTWARE\\Policies\\Microsoft\\Windows\\System\\Scripts\\Logon\\Script", 
+                  "HKEY_USERS\\*\\SOFTWARE\\Policies\\Microsoft\\Windows\\System\\Scripts\\Shutdown\\Script", 
+                  "HKEY_USERS\\*\\SOFTWARE\\Policies\\Microsoft\\Windows\\System\\Scripts\\Startup\\Script", 
+                  "HKEY_USERS\\*\\SOFTWARE\\Microsoft\\Ctf\\LangBarAddin\\*\\FilePath", 
+                  "HKEY_USERS\\*\\SOFTWARE\\Microsoft\\Internet Explorer\\Extensions\\*\\Exec", 
+                  "HKEY_USERS\\*\\SOFTWARE\\Microsoft\\Internet Explorer\\Extensions\\*\\Script", 
+                  "HKEY_USERS\\*\\SOFTWARE\\Microsoft\\Command Processor\\Autorun"
+                  )
+'''
+
+
+[[rule.threat]]
+framework = "MITRE ATT&CK"
+[[rule.threat.technique]]
+id = "T1547"
+name = "Boot or Logon Autostart Execution"
+reference = "https://attack.mitre.org/techniques/T1547/"
+[[rule.threat.technique.subtechnique]]
+id = "T1547.001"
+name = "Registry Run Keys / Startup Folder"
+reference = "https://attack.mitre.org/techniques/T1547/001/"
+
+
+[[rule.threat.technique]]
+id = "T1543"
+name = "Create or Modify System Process"
+reference = "https://attack.mitre.org/techniques/T1543/"
+[[rule.threat.technique.subtechnique]]
+id = "T1543.003"
+name = "Windows Service"
+reference = "https://attack.mitre.org/techniques/T1543/003/"
+
+
+
+[rule.threat.tactic]
+id = "TA0003"
+name = "Persistence"
+reference = "https://attack.mitre.org/tactics/TA0003/"
+[[rule.threat]]
+framework = "MITRE ATT&CK"
+[[rule.threat.technique]]
+id = "T1047"
+name = "Windows Management Instrumentation"
+reference = "https://attack.mitre.org/techniques/T1047/"
+
+
+[rule.threat.tactic]
+id = "TA0002"
+name = "Execution"
+reference = "https://attack.mitre.org/tactics/TA0002/"