Query: detect Detects registry modifications that disable internal tools or functions in explorer (malware like Agent Tesla uses this in logs
Matching passage: Sigma rule: Detects registry modifications that disable internal tools or functions in explorer (malware like Agent Tesla uses this. Logsource: windows / registry_set. Rule: title: Registry Explorer Policy Modification id: 1c3121ed-041b-4d97-a075-07f54f20fb4a status: test description: Detects registry modifications that disable internal tools or functions in explorer (malware like Agent Tesla uses this technique) references: - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1112/T1112.md author: frack113 date: 2022-03-18 modified: 2023-08-17 tags: - attack.persistence - attack.defense-impairment - attack.t1112 logsource: category: registry_set product: windows detection: selection_set_1: TargetObject|endswith: - SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoLogOff - SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoDesktop - SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoRun - SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoFind - SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoControlPanel - SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoFileMenu - SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoClose - SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoSetTaskbar - SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoPropertiesMyDocuments - SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoTrayContextMenu Details: DWORD (0x00000001) condition: selection_set_1 falsepositives: - Legitimate admin script level: medium
Near-miss passage: Sigma rule: Detects usage of bitsadmin downloading a file with a suspicious extension. Logsource: windows / process_creation. Rule: title: File With Suspicious Extension Downloaded Via Bitsadmin id: 5b80a791-ad9b-4b75-bcc1-ad4e1e89c200 status: test description: Detects usage of bitsadmin downloading a file with a suspicious extension references: - https://blog.netspi.com/15-ways-to-download-a-file/#bitsadmin - https://isc.sans.edu/diary/22264 - https://lolbas-project.github.io/lolbas/Binaries/Bitsadmin/ author: Florian Roth (Nextron Systems), Nasreddine Bencherchali (Nextron Systems) date: 2022-06-28 modified: 2023-05-30 tags: - attack.persistence - attack.execution - attack.stealth - attack.t1197 - attack.s0190 - attack.t1036.003 - attack.command-and-control - attack.t1105 logsource: category: process_creation product: windows detection: selection_img: - Image|endswith: \bitsadmin.exe - OriginalFileName: bitsadmin.exe selection_flags: CommandLine|contains: - ' /transfer ' - ' /create ' - ' /addfile ' selection_extension: CommandLine|contains: - .7z - .asax - .ashx - .asmx - .asp - .aspx - .bat - .cfm - .cgi - .chm - .cmd - .dll - .gif - .jpeg - .jpg - .jsp - .jspx - .log - .png - .ps1 - .psm1 - .rar - .scf - .sct - .txt - .vbe - .vbs - .war - .wsf - .wsh - .xll - .zip condition: all of selection_* falsepositives: - Unknown level: high regression_tests_path: regression_data/rules/windows/process_creation/proc_creation_win_bitsadmin_download_susp_extensions/info.yml simulation: - type: atomic-red-team name: Windows - BITSAdmin BITS Download technique: T1105 atomic_guid: a1921cd3-9a2d-47d5-a891-f1d0f2a7a31b