Query: write Sigma for Detect use of the Windows 8.3 short name. Which could be used as a method to avoid Image based detection
Matching passage: Sigma rule: Detect use of the Windows 8.3 short name. Which could be used as a method to avoid Image based detection. Logsource: windows / process_creation. Rule: title: Use NTFS Short Name in Image id: 3ef5605c-9eb9-47b0-9a71-b727e6aa5c3b related: - id: dd6b39d9-d9be-4a3b-8fe0-fe3c6a5c1795 type: similar status: test description: Detect use of the Windows 8.3 short name. Which could be used as a method to avoid Image based detection references: - https://www.acunetix.com/blog/articles/windows-short-8-3-filenames-web-security-problem/ - https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-2000-server/cc959352(v=technet.10) - https://twitter.com/jonasLyk/status/1555914501802921984 author: frack113, Nasreddine Bencherchali (Nextron Systems) date: 2022-08-06 modified: 2023-07-20 tags: - attack.stealth - attack.t1564.004 logsource: category: process_creation product: windows detection: selection: Image|contains: - ~1.bat - ~1.dll - ~1.exe - ~1.hta - ~1.js - ~1.msi - ~1.ps1 - ~1.tmp - ~1.vbe - ~1.vbs - ~2.bat - ~2.dll - ~2.exe - ~2.hta - ~2.js - ~2.msi - ~2.ps1 - ~2.tmp - ~2.vbe - ~2.vbs filter_main_generic_parent: ParentImage: C:\Windows\explorer.exe filter_optional_webex: ParentImage|endswith: \WebEx\WebexHost.exe filter_optional_thor: ParentImage|endswith: \thor\thor64.exe filter_optional_winzip: Image: C:\PROGRA~1\WinZip\WZPREL~1.EXE filter_optional_vcred: Image|endswith: \VCREDI~1.EXE condition: selection and not 1 of filter_main_* and not 1 of filter_optional_* falsepositives: - Software Installers level: medium
Near-miss passage: Sigma rule: Detects known suspicious (default) user-agents related to scanning/recon tools. Logsource: webserver. Rule: title: Suspicious User-Agents Related To Recon Tools id: 19aa4f58-94ca-45ff-bc34-92e533c0994a status: test description: Detects known suspicious (default) user-agents related to scanning/recon tools references: - https://github.com/commixproject/commix/blob/c7f1447371524427bb30abe731235acc7386153b/src/utils/settings.py#L281 - https://github.com/epi052/feroxbuster/blob/ffdf871abe0a358a1531ba4135e208d4dbe8fc31/src/config/utils.rs#L100 - https://github.com/ffuf/ffuf/blob/ce3cf6bd733a24d3a9f024305234c1a6298198eb/pkg/runner/simple.go#L130 - https://github.com/lanmaster53/recon-ng/blob/9e907dfe09fce2997f0301d746796408e01a60b7/recon/core/base.py#L92 - https://github.com/nmap/nmap/blob/2e47fa87469fd358ef64689d2d2de7294e385eb8/nselib/http.lua#L160 - https://github.com/OJ/gobuster/blob/d20300cc46096984565e82fb73a45bf8d281b990/libgobuster/helpers.go#L124 - https://github.com/sqlmapproject/sqlmap/blob/be216041e2f255ae43b050d466bd5bf92681e665/lib/core/settings.py#L29 - https://github.com/sullo/nikto/blob/999670cb6a939b6c93840ce666941756e4c5dcf5/program/plugins/nikto_core.plugin#L3515 - https://github.com/urbanadventurer/WhatWeb/blob/d279d93042d034f3fd29d5a893d44ccc0595d3f8/lib/whatweb.rb#L68 - https://github.com/wpscanteam/wpscan/blob/4f1ce142b9768044be3e35bd0cddf1052e35efe8/lib/wpscan/browser.rb#L32 - https://github.com/xmendez/wfuzz/blob/2263cd0932fef333118cd197656f709141bab615/src/wfuzz/facade.py#L43 - https://github.com/zmap/zgrab2/blob/e91fc9860ca6611eb7c6fe7d2fe2be70212a37ba/modules/http/scanner.go#L54 author: Nasreddine Bencherchali (Nextron Systems), Tim Shelton date: 2022-07-19 modified: 2026-06-11 tags: - attack.initial-access - attack.t1190 logsource: category: webserver detection: selection: cs-user-agent|contains: - commix/ - feroxbuster/ - Fuzz Faster U Fool - GIS - AppSec Team - Project Vision - gobuster/ - Nikto/ - Nmap Scripting Engine - Recon-ng/v - sqlmap/ - WhatWeb/ - Wfuzz/ - WPScan v - zgrab/ condition: selection falsepositives: - Unknown level: medium