Query: Sigma YAML for windows / create_stream_hash
Matching passage: Sigma rule: Detects the creation of a suspicious ADS (Alternate Data Stream) file by software other than browsers. Logsource: windows / create_stream_hash. Rule: title: Creation Of a Suspicious ADS File Outside a Browser Download id: 573df571-a223-43bc-846e-3f98da481eca status: test description: Detects the creation of a suspicious ADS (Alternate Data Stream) file by software other than browsers references: - https://www.bleepingcomputer.com/news/security/exploited-windows-zero-day-lets-javascript-files-bypass-security-warnings/ author: frack113 date: 2022-10-22 modified: 2023-06-12 tags: - attack.stealth logsource: product: windows category: create_stream_hash detection: selection: Contents|startswith: '[ZoneTransfer] ZoneId=3' TargetFilename|endswith: :Zone.Identifier TargetFilename|contains: - .exe - .scr - .bat - .cmd - .docx - .hta - .jse - .lnk - .pptx - .ps - .reg - .sct - .vb - .wsc - .wsf - .xlsx filter_optional_brave: Image|endswith: \brave.exe filter_optional_chrome: Image: - C:\Program Files\Google\Chrome\Application\chrome.exe - C:\Program Files (x86)\Google\Chrome\Application\chrome.exe filter_optional_firefox: Image: - C:\Program Files\Mozilla Firefox\firefox.exe - C:\Program Files (x86)\Mozilla Firefox\firefox.exe filter_optional_ie: Image: - C:\Program Files (x86)\Internet Explorer\iexplore.exe - C:\Program Files\Internet Explorer\iexplore.exe filter_optional_maxthon: Image|endswith: \maxthon.exe filter_optional_edge_1: - Image|startswith: C:\Program Files (x86)\Microsoft\EdgeWebView\Application\ - Image|endswith: \WindowsApps\MicrosoftEdge.exe - Image: - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe - C:\Program Files\Microsoft\Edge\Application\msedge.exe filter_optional_edge_2: Image|startswith: - C:\Program Files (x86)\Microsoft\EdgeCore\ - C:\Program Files\Microsoft\EdgeCore\ Image|endswith: - \msedge.exe - \msedgewebview2.exe filter_optional_opera: Image|endswith: \opera.exe filter_optional_safari: Image|endswith: \safari.exe filter_optional_seamonkey: Image|endswith: \seamonkey.exe filter_optional_vivaldi: Image|endswith: \vivaldi.exe filter_optional_whale: Image|endswith: \whale.exe filter_optional_snipping_tool: Image|startswith: C:\Program Files\WindowsApps\Microsoft.ScreenSketch_ Image|endswith: \SnippingTool\SnippingTool.exe TargetFilename|startswith: C:\Users\ TargetFilename|contains|all: - \AppData\Local\Packages\Microsoft.ScreenSketch_ - '\TempState\Screenshot ' TargetFilename|endswith: .png:Zone.Identifier condition: selection and not 1 of filter_optional_* falsepositives: - Other legitimate browsers not currently included in the filter (please add them) - Legitimate d
Near-miss passage: Sigma rule: Detects a highly relevant Antivirus alert that reports a hack tool or other attack tool. This event must not be ignored. Logsource: antivirus. Rule: title: Antivirus - Hacktool Signature id: fa0c05b6-8ad3-468d-8231-c1cbccb64fba status: stable description: 'Detects a highly relevant Antivirus alert that reports a hack tool or other attack tool. This event must not be ignored just because the AV has blocked the malware but investigate, how it came there in the first place. ' references: - https://www.nextron-systems.com/2021/08/16/antivirus-event-analysis-cheat-sheet-v1-8-2/ - https://www.nextron-systems.com/?s=antivirus author: Florian Roth (Nextron Systems), Arnim Rupp date: 2021-08-16 modified: 2026-06-15 tags: - attack.execution - attack.t1204 logsource: category: antivirus detection: selection: - Signature|startswith: - ATK/ - Exploit.Script.CVE - HKTL - HTOOL - PWS. - PWSX - SecurityTool - Signature|contains: - Adfind - BloodH - BloodyAD - Brutel - BruteR - Cobalt - COBEACON - Cometer - DumpCreds - EDRfreeze - FastReverseProxy - Hacktool - Havoc - Impacket - Keylogger - Koadic - Mimikatz - Nighthawk - PentestPowerShell - Potato - PowerSploit - PowerSSH - PshlSpy - PSWTool - PWCrack - PWDump - Responder - Rozena - Rusthound - Sbelt - Seatbelt - SecurityTool - SharpDump - SharpHound - Shellcode - Sliver - Snaffler - SOAPHound - Splinter - Stowaway - Swrort - Trojan.Hound - TurtleLoader - Undefend - Undfnd condition: selection falsepositives: - Unlikely level: high