Query: write Sigma for Detects a renamed "dctask64.exe" execution, a signed binary by ZOHO Corporation part of ManageEngine Endpoint Central. T
Matching passage: Sigma rule: Detects a renamed "dctask64.exe" execution, a signed binary by ZOHO Corporation part of ManageEngine Endpoint Central. T. Logsource: windows / process_creation. Rule: title: Renamed ZOHO Dctask64 Execution id: 340a090b-c4e9-412e-bb36-b4b16fe96f9b status: test description: 'Detects a renamed "dctask64.exe" execution, a signed binary by ZOHO Corporation part of ManageEngine Endpoint Central. This binary can be abused for DLL injection, arbitrary command and process execution. ' references: - https://twitter.com/gN3mes1s/status/1222088214581825540 - https://twitter.com/gN3mes1s/status/1222095963789111296 - https://twitter.com/gN3mes1s/status/1222095371175911424 author: Florian Roth (Nextron Systems), Nasreddine Bencherchali (Nextron Systems) date: 2020-01-28 modified: 2025-01-22 tags: - attack.privilege-escalation - attack.stealth - attack.t1036 - attack.t1055.001 - attack.t1202 - attack.t1218 logsource: category: process_creation product: windows detection: selection: Hashes|contains: - IMPHASH=6834B1B94E49701D77CCB3C0895E1AFD - IMPHASH=1BB6F93B129F398C7C4A76BB97450BBA - IMPHASH=FAA2AC19875FADE461C8D89DCF2710A3 - IMPHASH=F1039CED4B91572AB7847D26032E6BBF filter_main_legit_name: Image|endswith: \dctask64.exe condition: selection and not 1 of filter_main_* falsepositives: - Unknown level: high
Near-miss passage: Sigma rule: Detects the image load of vss_ps.dll by uncommon executables. This DLL is used by the Volume Shadow Copy Service (VSS) t. Logsource: windows / image_load. Rule: title: Suspicious Volume Shadow Copy VSS_PS.dll Load id: 333cdbe8-27bb-4246-bf82-b41a0dca4b70 related: - id: 48bfd177-7cf2-412b-ad77-baf923489e82 type: similar - id: 37774c23-25a1-4adb-bb6d-8bb9fd59c0f8 type: similar status: test description: 'Detects the image load of vss_ps.dll by uncommon executables. This DLL is used by the Volume Shadow Copy Service (VSS) to manage shadow copies of files and volumes. It is often abused by attackers to delete or manipulate shadow copies, which can hinder forensic investigations and data recovery efforts. The fact that it is loaded by processes that are not typically associated with VSS operations can indicate suspicious activity. ' references: - https://www.virustotal.com/gui/file/ba88ca45589fae0139a40ca27738a8fc2dfbe1be5a64a9558f4e0f52b35c5add - https://twitter.com/am0nsec/status/1412232114980982787 author: Markus Neis, @markus_neis date: 2021-07-07 modified: 2025-07-11 tags: - attack.impact - attack.t1490 logsource: category: image_load product: windows detection: selection: ImageLoaded|endswith: \vss_ps.dll filter_main_legit: Image|startswith: C:\Windows\ Image|endswith: - \clussvc.exe - \dismhost.exe - \dllhost.exe - \inetsrv\appcmd.exe - \inetsrv\iissetup.exe - \msiexec.exe - \rundll32.exe - \searchindexer.exe - \srtasks.exe - \svchost.exe - \System32\SystemPropertiesAdvanced.exe - \taskhostw.exe - \thor.exe - \thor64.exe - \tiworker.exe - \vssvc.exe - \vssadmin.exe - \WmiPrvSE.exe - \wsmprovhost.exe filter_main_update: CommandLine|startswith: C:\$WinREAgent\Scratch\ CommandLine|contains: \dismhost.exe { filter_main_image_null: Image: null filter_optional_programfiles: Image|startswith: - C:\Program Files\ - C:\Program Files (x86)\ condition: selection and not 1 of filter_main_* and not 1 of filter_optional_* falsepositives: - Unknown level: high