Suspicious Windows Service Tampering
Detects the usage of binaries such as 'net', 'sc' or 'powershell' in order to stop, pause, disable or delete critical or important Windows services such as AV, Backup, etc. As seen being used in some ransomware scripts
Sigma rule (View on GitHub)
1title: Suspicious Windows Service Tampering
2id: ce72ef99-22f1-43d4-8695-419dcb5d9330
3related:
4 - id: eb87818d-db5d-49cc-a987-d5da331fbd90
5 type: derived
6 - id: 6783aa9e-0dc3-49d4-a94a-8b39c5fd700b
7 type: obsolete
8 - id: 7fd4bb39-12d0-45ab-bb36-cebabc73dc7b
9 type: obsolete
10status: test
11description: Detects the usage of binaries such as 'net', 'sc' or 'powershell' in order to stop, pause, disable or delete critical or important Windows services such as AV, Backup, etc. As seen being used in some ransomware scripts
12references:
13 - https://www.trendmicro.com/content/dam/trendmicro/global/en/research/22/h/ransomware-actor-abuses-genshin-impact-anti-cheat-driver-to-kill-antivirus/Genshin%20Impact%20Figure%2010.jpg
14 - https://www.trellix.com/en-sg/about/newsroom/stories/threat-labs/lockergoga-ransomware-family-used-in-targeted-attacks.html
15 - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1562.001/T1562.001.md
16 - https://research.nccgroup.com/2022/08/19/back-in-black-unlocking-a-lockbit-3-0-ransomware-attack/
17 - https://www.virustotal.com/gui/file/38283b775552da8981452941ea74191aa0d203edd3f61fb2dee7b0aea3514955
18author: Nasreddine Bencherchali (Nextron Systems), frack113 , X__Junior
19date: 2022-09-01
20modified: 2024-08-25
21tags:
22 - attack.defense-evasion
23 - attack.t1489
24logsource:
25 category: process_creation
26 product: windows
27detection:
28 selection_tools_img:
29 - OriginalFileName:
30 - 'net.exe'
31 - 'net1.exe'
32 - 'PowerShell.EXE'
33 - 'psservice.exe'
34 - 'pwsh.dll'
35 - 'sc.exe'
36 - Image|endswith:
37 - '\net.exe'
38 - '\net1.exe'
39 - '\powershell.exe'
40 - '\PsService.exe'
41 - '\PsService64.exe'
42 - '\pwsh.exe'
43 - '\sc.exe'
44 selection_tools_cli:
45 - CommandLine|contains:
46 - ' delete '
47 - ' pause ' # Covers flags from: PsService and Sc.EXE
48 - ' stop ' # Covers flags from: PsService.EXE, Net.EXE and Sc.EXE
49 - 'Stop-Service '
50 - 'Remove-Service '
51 - CommandLine|contains|all:
52 - 'config'
53 - 'start=disabled'
54 selection_services:
55 CommandLine|contains:
56 - '143Svc'
57 - 'Acronis VSS Provider'
58 - 'AcronisAgent'
59 - 'AcrSch2Svc'
60 - 'AdobeARMservice'
61 - 'AHS Service'
62 - 'Antivirus'
63 - 'Apache4'
64 - 'ARSM'
65 - 'aswBcc'
66 - 'AteraAgent'
67 - 'Avast Business Console Client Antivirus Service'
68 - 'avast! Antivirus'
69 - 'AVG Antivirus'
70 - 'avgAdminClient'
71 - 'AvgAdminServer'
72 - 'AVP1'
73 - 'BackupExec'
74 - 'bedbg'
75 - 'BITS'
76 - 'BrokerInfrastructure'
77 - 'CASLicenceServer'
78 - 'CASWebServer'
79 - 'Client Agent 7.60'
80 - 'Core Browsing Protection'
81 - 'Core Mail Protection'
82 - 'Core Scanning Server'
83 - 'DCAgent'
84 - 'dwmrcs'
85 - 'EhttpSr'
86 - 'ekrn'
87 - 'Enterprise Client Service'
88 - 'epag'
89 - 'EPIntegrationService'
90 - 'EPProtectedService'
91 - 'EPRedline'
92 - 'EPSecurityService'
93 - 'EPUpdateService'
94 - 'EraserSvc11710'
95 - 'EsgShKernel'
96 - 'ESHASRV'
97 - 'FA_Scheduler'
98 - 'FirebirdGuardianDefaultInstance'
99 - 'FirebirdServerDefaultInstance'
100 - 'FontCache3.0.0.0'
101 - 'HealthTLService'
102 - 'hmpalertsvc'
103 - 'HMS'
104 - 'HostControllerService'
105 - 'hvdsvc'
106 - 'IAStorDataMgrSvc'
107 - 'IBMHPS'
108 - 'ibmspsvc'
109 - 'IISAdmin'
110 - 'IMANSVC'
111 - 'IMAP4Svc'
112 - 'instance2'
113 - 'KAVFS'
114 - 'KAVFSGT'
115 - 'kavfsslp'
116 - 'KeyIso'
117 - 'klbackupdisk'
118 - 'klbackupflt'
119 - 'klflt'
120 - 'klhk'
121 - 'KLIF'
122 - 'klim6'
123 - 'klkbdflt'
124 - 'klmouflt'
125 - 'klnagent'
126 - 'klpd'
127 - 'kltap'
128 - 'KSDE1.0.0'
129 - 'LogProcessorService'
130 - 'M8EndpointAgent'
131 - 'macmnsvc'
132 - 'masvc'
133 - 'MBAMService'
134 - 'MBCloudEA'
135 - 'MBEndpointAgent'
136 - 'McAfeeDLPAgentService'
137 - 'McAfeeEngineService'
138 - 'MCAFEEEVENTPARSERSRV'
139 - 'McAfeeFramework'
140 - 'MCAFEETOMCATSRV530'
141 - 'McShield'
142 - 'McTaskManager'
143 - 'mfefire'
144 - 'mfemms'
145 - 'mfevto'
146 - 'mfevtp'
147 - 'mfewc'
148 - 'MMS'
149 - 'mozyprobackup'
150 - 'MSComplianceAudit'
151 - 'MSDTC'
152 - 'MsDtsServer'
153 - 'MSExchange'
154 - 'msftesq1SPROO'
155 - 'msftesql$PROD'
156 - 'msftesql$SQLEXPRESS'
157 - 'MSOLAP$SQL_2008'
158 - 'MSOLAP$SYSTEM_BGC'
159 - 'MSOLAP$TPS'
160 - 'MSOLAP$TPSAMA'
161 - 'MSOLAPSTPS'
162 - 'MSOLAPSTPSAMA'
163 - 'mssecflt'
164 - 'MSSQ!I.SPROFXENGAGEMEHT'
165 - 'MSSQ0SHAREPOINT'
166 - 'MSSQ0SOPHOS'
167 - 'MSSQL'
168 - 'MSSQLFDLauncher$'
169 - 'MySQL'
170 - 'NanoServiceMain'
171 - 'NetMsmqActivator'
172 - 'NetPipeActivator'
173 - 'netprofm'
174 - 'NetTcpActivator'
175 - 'NetTcpPortSharing'
176 - 'ntrtscan'
177 - 'nvspwmi'
178 - 'ofcservice'
179 - 'Online Protection System'
180 - 'OracleClientCache80'
181 - 'OracleDBConsole'
182 - 'OracleMTSRecoveryService'
183 - 'OracleOraDb11g_home1'
184 - 'OracleService'
185 - 'OracleVssWriter'
186 - 'osppsvc'
187 - 'PandaAetherAgent'
188 - 'PccNTUpd'
189 - 'PDVFSService'
190 - 'POP3Svc'
191 - 'postgresql-x64-9.4'
192 - 'POVFSService'
193 - 'PSUAService'
194 - 'Quick Update Service'
195 - 'RepairService'
196 - 'ReportServer'
197 - 'ReportServer$'
198 - 'RESvc'
199 - 'RpcEptMapper'
200 - 'sacsvr'
201 - 'SamSs'
202 - 'SAVAdminService'
203 - 'SAVService'
204 - 'ScSecSvc'
205 - 'SDRSVC'
206 - 'SearchExchangeTracing'
207 - 'sense'
208 - 'SentinelAgent'
209 - 'SentinelHelperService'
210 - 'SepMasterService'
211 - 'ShMonitor'
212 - 'Smcinst'
213 - 'SmcService'
214 - 'SMTPSvc'
215 - 'SNAC'
216 - 'SntpService'
217 - 'Sophos'
218 - 'SQ1SafeOLRService'
219 - 'SQL Backups'
220 - 'SQL Server'
221 - 'SQLAgent'
222 - 'SQLANYs_Sage_FAS_Fixed_Assets'
223 - 'SQLBrowser'
224 - 'SQLsafe'
225 - 'SQLSERVERAGENT'
226 - 'SQLTELEMETRY'
227 - 'SQLWriter'
228 - 'SSISTELEMETRY130'
229 - 'SstpSvc'
230 - 'storflt'
231 - 'svcGenericHost'
232 - 'swc_service'
233 - 'swi_filter'
234 - 'swi_service'
235 - 'swi_update'
236 - 'Symantec'
237 - 'TeamViewer'
238 - 'Telemetryserver'
239 - 'ThreatLockerService'
240 - 'TMBMServer'
241 - 'TmCCSF'
242 - 'TmFilter'
243 - 'TMiCRCScanService'
244 - 'tmlisten'
245 - 'TMLWCSService'
246 - 'TmPfw'
247 - 'TmPreFilter'
248 - 'TmProxy'
249 - 'TMSmartRelayService'
250 - 'tmusa'
251 - 'Tomcat'
252 - 'Trend Micro Deep Security Manager'
253 - 'TrueKey'
254 - 'UFNet'
255 - 'UI0Detect'
256 - 'UniFi'
257 - 'UTODetect'
258 - 'vds'
259 - 'Veeam'
260 - 'VeeamDeploySvc'
261 - 'Veritas System Recovery'
262 - 'vmic'
263 - 'VMTools'
264 - 'vmvss'
265 - 'VSApiNt'
266 - 'VSS'
267 - 'W3Svc'
268 - 'wbengine'
269 - 'WdNisSvc'
270 - 'WeanClOudSve'
271 - 'Weems JY'
272 - 'WinDefend'
273 - 'wmms'
274 - 'wozyprobackup'
275 - 'WPFFontCache_v0400'
276 - 'WRSVC'
277 - 'wsbexchange'
278 - 'Zoolz 2 Service'
279 condition: all of selection_*
280falsepositives:
281 - Administrators or tools shutting down the services due to upgrade or removal purposes. If you experience some false positive, please consider adding filters to the parent process launching this command and not removing the entry
282level: high
References
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