Installation of Security Support Provider

 1[metadata]
 2creation_date = "2020/11/18"
 3integration = ["endpoint", "windows", "m365_defender", "sentinel_one_cloud_funnel"]
 4maturity = "production"
 5updated_date = "2024/10/15"
 6min_stack_version = "8.14.0"
 7min_stack_comments = "Breaking change at 8.14.0 for the Windows Integration."
 8
 9[rule]
10author = ["Elastic"]
11description = """
12Identifies registry modifications related to the Windows Security Support Provider (SSP) configuration. Adversaries may
13abuse this to establish persistence in an environment.
14"""
15from = "now-9m"
16index = ["winlogbeat-*", "logs-endpoint.events.registry-*", "logs-windows.sysmon_operational-*", "endgame-*", "logs-m365_defender.event-*", "logs-sentinel_one_cloud_funnel.*"]
17language = "eql"
18license = "Elastic License v2"
19name = "Installation of Security Support Provider"
20risk_score = 47
21rule_id = "e86da94d-e54b-4fb5-b96c-cecff87e8787"
22severity = "medium"
23tags = [
24    "Domain: Endpoint",
25    "OS: Windows",
26    "Use Case: Threat Detection",
27    "Tactic: Persistence",
28    "Tactic: Defense Evasion",
29    "Data Source: Elastic Endgame",
30    "Data Source: Elastic Defend",
31    "Data Source: Sysmon",
32    "Data Source: Microsoft Defender for Endpoint",
33    "Data Source: SentinelOne",
34]
35timestamp_override = "event.ingested"
36type = "eql"
37
38query = '''
39registry where host.os.type == "windows" and event.type == "change" and
40   registry.path : (
41      "HKLM\\SYSTEM\\*ControlSet*\\Control\\Lsa\\Security Packages*",
42      "HKLM\\SYSTEM\\*ControlSet*\\Control\\Lsa\\OSConfig\\Security Packages*",
43      "\\REGISTRY\\MACHINE\\SYSTEM\\*ControlSet*\\Control\\Lsa\\Security Packages*",
44      "\\REGISTRY\\MACHINE\\SYSTEM\\*ControlSet*\\Control\\Lsa\\OSConfig\\Security Packages*",
45      "MACHINE\\SYSTEM\\*ControlSet*\\Control\\Lsa\\Security Packages*",
46      "MACHINE\\SYSTEM\\*ControlSet*\\Control\\Lsa\\OSConfig\\Security Packages*"
47   ) and
48   not process.executable : ("C:\\Windows\\System32\\msiexec.exe", "C:\\Windows\\SysWOW64\\msiexec.exe")
49'''
50
51
52[[rule.threat]]
53framework = "MITRE ATT&CK"
54[[rule.threat.technique]]
55id = "T1547"
56name = "Boot or Logon Autostart Execution"
57reference = "https://attack.mitre.org/techniques/T1547/"
58[[rule.threat.technique.subtechnique]]
59id = "T1547.005"
60name = "Security Support Provider"
61reference = "https://attack.mitre.org/techniques/T1547/005/"
62
63
64
65[rule.threat.tactic]
66id = "TA0003"
67name = "Persistence"
68reference = "https://attack.mitre.org/tactics/TA0003/"
69[[rule.threat]]
70framework = "MITRE ATT&CK"
71[[rule.threat.technique]]
72id = "T1112"
73name = "Modify Registry"
74reference = "https://attack.mitre.org/techniques/T1112/"
75
76
77[rule.threat.tactic]
78id = "TA0005"
79name = "Defense Evasion"
80reference = "https://attack.mitre.org/tactics/TA0005/"