Query: Sigma rule for Detects the execution of renamed schtasks.exe binary, which is a legitimate Windows utility used for scheduling tasks. O
Matching passage: Sigma rule: Detects the execution of renamed schtasks.exe binary, which is a legitimate Windows utility used for scheduling tasks. O. Logsource: windows / process_creation. Rule: title: Renamed Schtasks Execution id: f91e51c9-f344-4b32-969b-0b6f6b8537d4 status: experimental description: 'Detects the execution of renamed schtasks.exe binary, which is a legitimate Windows utility used for scheduling tasks. One of the very common persistence techniques is schedule malicious tasks using schtasks.exe. Since, it is heavily abused, it is also heavily monitored by security products. To evade detection, threat actors may rename the schtasks.exe binary to schedule their malicious tasks. ' references: - https://x.com/JangPr0/status/1932034543026065833 - https://ss64.com/nt/schtasks.html author: Swachchhanda Shrawan Poudel (Nextron Systems) date: 2025-11-27 tags: - attack.execution - attack.persistence - attack.privilege-escalation - attack.stealth - attack.t1036.003 - attack.t1053.005 logsource: category: process_creation product: windows detection: selection_cmd_operation: CommandLine|contains|windash: - ' /create ' - ' /delete ' - ' /query ' - ' /change ' - ' /run ' - ' /end ' selection_cmd_flags: CommandLine|contains|windash: - ' /tn ' - ' /tr ' - ' /sc ' - ' /st ' - ' /ru ' - ' /fo ' selection_pe: OriginalFileName: schtasks.exe filter_main_cmd: CommandLine|contains: schtasks filter_main_img: Image|endswith: \schtasks.exe condition: (all of selection_cmd_* and not filter_main_cmd) or (selection_pe and not filter_main_img) falsepositives: - Unlikely level: high
Near-miss passage: Sigma rule: Detects a suspicious copy operation that tries to copy a known LOLBIN from system (System32, SysWOW64, WinSxS) directori. Logsource: windows / process_creation. Rule: title: LOL-Binary Copied From System Directory id: f5d19838-41b5-476c-98d8-ba8af4929ee2 related: - id: fff9d2b7-e11c-4a69-93d3-40ef66189767 type: derived status: test description: 'Detects a suspicious copy operation that tries to copy a known LOLBIN from system (System32, SysWOW64, WinSxS) directories to another on disk in order to bypass detections based on locations. ' references: - https://www.hybrid-analysis.com/sample/8da5b75b6380a41eee3a399c43dfe0d99eeefaa1fd21027a07b1ecaa4cd96fdd?environmentId=120 - https://web.archive.org/web/20180331144337/https://www.fireeye.com/blog/threat-research/2018/03/sanny-malware-delivery-method-updated-in-recently-observed-attacks.html - https://thedfirreport.com/2023/08/28/html-smuggling-leads-to-domain-wide-ransomware/ - https://www.virustotal.com/gui/file/14e722855605ba78dc1d21153f0e1be90e7528149f2cd2d7d6eba8ef27534bdc/behavior author: Nasreddine Bencherchali (Nextron Systems) date: 2023-08-29 modified: 2025-11-27 tags: - attack.stealth - attack.t1036.003 logsource: category: process_creation product: windows detection: selection_tools_cmd: Image|endswith: \cmd.exe CommandLine|contains: 'copy ' selection_tools_pwsh: Image|endswith: - \powershell.exe - \pwsh.exe CommandLine|contains: - copy-item - ' copy ' - 'cpi ' - ' cp ' selection_tools_other: - Image|endswith: - \robocopy.exe - \xcopy.exe - OriginalFileName: - robocopy.exe - XCOPY.EXE selection_target_path: CommandLine|contains: - \System32 - \SysWOW64 - \WinSxS selection_target_lolbin: CommandLine|contains: - \bitsadmin.exe - \calc.exe - \certutil.exe - \cmdl32.exe - \cscript.exe - \mshta.exe - \rundll32.exe - \wscript.exe - \ie4uinit.exe condition: 1 of selection_tools_* and all of selection_target_* falsepositives: - Unknown level: high