Remote Windows Service Installed

 1[metadata]
 2creation_date = "2022/08/30"
 3integration = ["system", "windows"]
 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 a network logon followed by Windows service creation with same LogonId. This could be indicative of lateral
13movement, but will be noisy if commonly done by administrators."
14"""
15from = "now-9m"
16index = ["winlogbeat-*", "logs-system.*", "logs-windows.*"]
17language = "eql"
18license = "Elastic License v2"
19name = "Remote Windows Service Installed"
20risk_score = 47
21rule_id = "d33ea3bf-9a11-463e-bd46-f648f2a0f4b1"
22severity = "medium"
23tags = [
24    "Domain: Endpoint",
25    "OS: Windows",
26    "Use Case: Threat Detection",
27    "Tactic: Lateral Movement",
28    "Tactic: Persistence",
29    "Data Source: System",
30]
31type = "eql"
32
33query = '''
34sequence by winlog.logon.id, winlog.computer_name with maxspan=1m
35[authentication where event.action == "logged-in" and winlog.logon.type : "Network" and
36event.outcome=="success" and source.ip != null and source.ip != "127.0.0.1" and source.ip != "::1"]
37[iam where event.action == "service-installed" and
38 not winlog.event_data.SubjectLogonId : "0x3e7" and
39 not winlog.event_data.ServiceFileName :
40               ("?:\\Windows\\ADCR_Agent\\adcrsvc.exe",
41                "?:\\Windows\\System32\\VSSVC.exe",
42                "?:\\Windows\\servicing\\TrustedInstaller.exe",
43                "?:\\Windows\\System32\\svchost.exe",
44                "?:\\Program Files (x86)\\*.exe",
45                "?:\\Program Files\\*.exe",
46                "?:\\Windows\\PSEXESVC.EXE",
47                "?:\\Windows\\System32\\sppsvc.exe",
48                "?:\\Windows\\System32\\wbem\\WmiApSrv.exe",
49                "?:\\WINDOWS\\RemoteAuditService.exe",
50                "?:\\Windows\\VeeamVssSupport\\VeeamGuestHelper.exe",
51                "?:\\Windows\\VeeamLogShipper\\VeeamLogShipper.exe",
52                "?:\\Windows\\CAInvokerService.exe",
53                "?:\\Windows\\System32\\upfc.exe",
54                "?:\\Windows\\AdminArsenal\\PDQ*.exe",
55                "?:\\Windows\\System32\\vds.exe",
56                "?:\\Windows\\Veeam\\Backup\\VeeamDeploymentSvc.exe",
57                "?:\\Windows\\ProPatches\\Scheduler\\STSchedEx.exe",
58                "?:\\Windows\\System32\\certsrv.exe",
59                "?:\\Windows\\eset-remote-install-service.exe",
60                "?:\\Pella Corporation\\Pella Order Management\\GPAutoSvc.exe",
61                "?:\\Pella Corporation\\OSCToGPAutoService\\OSCToGPAutoSvc.exe",
62                "?:\\Pella Corporation\\Pella Order Management\\GPAutoSvc.exe",
63                "?:\\Windows\\SysWOW64\\NwxExeSvc\\NwxExeSvc.exe",
64                "?:\\Windows\\System32\\taskhostex.exe")]
65'''
66
67
68[[rule.threat]]
69framework = "MITRE ATT&CK"
70[[rule.threat.technique]]
71id = "T1021"
72name = "Remote Services"
73reference = "https://attack.mitre.org/techniques/T1021/"
74
75
76[rule.threat.tactic]
77id = "TA0008"
78name = "Lateral Movement"
79reference = "https://attack.mitre.org/tactics/TA0008/"
80[[rule.threat]]
81framework = "MITRE ATT&CK"
82[[rule.threat.technique]]
83id = "T1543"
84name = "Create or Modify System Process"
85reference = "https://attack.mitre.org/techniques/T1543/"
86[[rule.threat.technique.subtechnique]]
87id = "T1543.003"
88name = "Windows Service"
89reference = "https://attack.mitre.org/techniques/T1543/003/"
90
91
92
93[rule.threat.tactic]
94id = "TA0003"
95name = "Persistence"
96reference = "https://attack.mitre.org/tactics/TA0003/"