Query: alert when Detects the creation or modification of the Windows Terminal Profile settings file "settings.json" by an uncommon proces
Matching passage: Sigma rule: Detects the creation or modification of the Windows Terminal Profile settings file "settings.json" by an uncommon proces. Logsource: windows / file_event. Rule: title: Windows Terminal Profile Settings Modification By Uncommon Process id: 9b64de98-9db3-4033-bd7a-f51430105f00 status: test description: Detects the creation or modification of the Windows Terminal Profile settings file "settings.json" by an uncommon process. references: - https://github.com/redcanaryco/atomic-red-team/blob/74438b0237d141ee9c99747976447dc884cb1a39/atomics/T1547.015/T1547.015.md#atomic-test-1---persistence-by-modifying-windows-terminal-profile - https://twitter.com/nas_bench/status/1550836225652686848 author: frack113, Nasreddine Bencherchali (Nextron Systems) date: 2023-07-22 tags: - attack.privilege-escalation - attack.persistence - attack.t1547.015 logsource: product: windows category: file_event detection: selection: Image|endswith: - \cmd.exe - \cscript.exe - \mshta.exe - \powershell.exe - \pwsh.exe - \wscript.exe TargetFilename|endswith: \AppData\Local\Packages\Microsoft.WindowsTerminal_8wekyb3d8bbwe\LocalState\settings.json condition: selection falsepositives: - Some false positives may occur with admin scripts that set WT settings. level: medium
Near-miss passage: Sigma rule: Detects potentially suspicious child processes of Wscript/Cscript. These include processes such as rundll32 with uncommo. Logsource: windows / process_creation. Rule: title: Cscript/Wscript Potentially Suspicious Child Process id: b6676963-0353-4f88-90f5-36c20d443c6a status: test description: 'Detects potentially suspicious child processes of Wscript/Cscript. These include processes such as rundll32 with uncommon exports or PowerShell spawning rundll32 or regsvr32. Malware such as Pikabot and Qakbot were seen using similar techniques as well as many others. ' references: - Internal Research - https://github.com/pr0xylife/Pikabot/blob/fc58126127adf0f65e78f4eec59675523f48f086/Pikabot_30.10.2023.txt - https://github.com/pr0xylife/Pikabot/blob/fc58126127adf0f65e78f4eec59675523f48f086/Pikabot_22.12.2023.txt author: Nasreddine Bencherchali (Nextron Systems), Alejandro Houspanossian ('@lekz86') date: 2023-05-15 modified: 2024-01-02 tags: - attack.execution logsource: category: process_creation product: windows detection: selection_parent: ParentImage|endswith: - \wscript.exe - \cscript.exe selection_cli_script_main: Image|endswith: - \cmd.exe - \powershell.exe - \pwsh.exe selection_cli_script_option_mshta: CommandLine|contains|all: - mshta - http selection_cli_script_option_other: CommandLine|contains: - rundll32 - regsvr32 - msiexec selection_cli_standalone: Image|endswith: \rundll32.exe filter_main_rundll32_known_exports: Image|endswith: \rundll32.exe CommandLine|contains: - UpdatePerUserSystemParameters - PrintUIEntry - ClearMyTracksByProcess condition: selection_parent and ( selection_cli_standalone or (selection_cli_script_main and 1 of selection_cli_script_option_*) ) and not 1 of filter_main_* falsepositives: - Some false positives might occur with admin or third party software scripts. Investigate and apply additional filters accordingly. level: medium