Home/CVE-2022-43450/Sigma rules
Sigma

Sigma rules for CVE-2022-43450

12 rules · scoped to cve · back to CVE-2022-43450
Direct rules mention this entity in their title or description. Related rules cover the techniques this entity is known to use.
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Detection rules

12 of 12
direct high
NTFS Alternate Data Stream
Detects writing data into NTFS alternate data streams from powershell. Needs Script Block Logging.
status test author Sami Ruohonen id 8c521530-5169-495d-a199-0a3a881ad24e license Sigma · DRL-1.1
view Sigma YAML 
title: NTFS Alternate Data Stream
id: 8c521530-5169-495d-a199-0a3a881ad24e
status: test
description: Detects writing data into NTFS alternate data streams from powershell. Needs Script Block Logging.
references:
    - https://web.archive.org/web/20220614030603/http://www.powertheshell.com/ntfsstreams/
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1564.004/T1564.004.md
author: Sami Ruohonen
date: 2018-07-24
modified: 2022-12-25
tags:
    - attack.stealth
    - attack.t1564.004
    - attack.execution
    - attack.t1059.001
logsource:
    product: windows
    category: ps_script
    definition: 'Requirements: Script Block Logging must be enabled'
detection:
    selection_content:
        ScriptBlockText|contains:
            - set-content
            - add-content
    selection_stream:
        ScriptBlockText|contains: '-stream'
    condition: all of selection*
falsepositives:
    - Unknown
level: high
direct high
Exports Registry Key To an Alternate Data Stream
Exports the target Registry key and hides it in the specified alternate data stream.
status test author Oddvar Moe, Sander Wiebing, oscd.community id 0d7a9363-af70-4e7b-a3b7-1a176b7fbe84 license Sigma · DRL-1.1
view Sigma YAML 
title: Exports Registry Key To an Alternate Data Stream
id: 0d7a9363-af70-4e7b-a3b7-1a176b7fbe84
status: test
description: Exports the target Registry key and hides it in the specified alternate data stream.
references:
    - https://lolbas-project.github.io/lolbas/Binaries/Regedit/
    - https://gist.github.com/api0cradle/cdd2d0d0ec9abb686f0e89306e277b8f
author: Oddvar Moe, Sander Wiebing, oscd.community
date: 2020-10-07
modified: 2021-11-27
tags:
    - attack.stealth
    - attack.t1564.004
logsource:
    product: windows
    category: create_stream_hash
detection:
    selection:
        Image|endswith: '\regedit.exe'
    condition: selection
falsepositives:
    - Unknown
level: high
direct high
HackTool Named File Stream Created
Detects the creation of a named file stream with the imphash of a well-known hack tool
status test author Florian Roth (Nextron Systems) id 19b041f6-e583-40dc-b842-d6fa8011493f license Sigma · DRL-1.1
view Sigma YAML 
title: HackTool Named File Stream Created
id: 19b041f6-e583-40dc-b842-d6fa8011493f
status: test
description: Detects the creation of a named file stream with the imphash of a well-known hack tool
references:
    - https://github.com/gentilkiwi/mimikatz
    - https://github.com/topotam/PetitPotam
    - https://github.com/ohpe/juicy-potato
    - https://github.com/antonioCoco/RoguePotato
    - https://www.tarasco.org/security/pwdump_7/
    - https://github.com/fortra/nanodump
    - https://github.com/codewhitesec/HandleKatz
    - https://github.com/xuanxuan0/DripLoader
    - https://github.com/hfiref0x/UACME
    - https://github.com/outflanknl/Dumpert
    - https://github.com/wavestone-cdt/EDRSandblast
author: Florian Roth (Nextron Systems)
date: 2022-08-24
modified: 2024-11-23
tags:
    - attack.stealth
    - attack.s0139
    - attack.t1564.004
logsource:
    product: windows
    category: create_stream_hash
    definition: 'Requirements: Sysmon config with Imphash logging activated'
detection:
    selection:
        Hash|contains: # Sysmon field hashes contains all types
            - IMPHASH=BCCA3C247B619DCD13C8CDFF5F123932 # PetitPotam
            - IMPHASH=3A19059BD7688CB88E70005F18EFC439 # PetitPotam
            - IMPHASH=bf6223a49e45d99094406777eb6004ba # PetitPotam
            - IMPHASH=0C106686A31BFE2BA931AE1CF6E9DBC6 # Mimikatz
            - IMPHASH=0D1447D4B3259B3C2A1D4CFB7ECE13C3 # Mimikatz
            - IMPHASH=1B0369A1E06271833F78FFA70FFB4EAF # Mimikatz
            - IMPHASH=4C1B52A19748428E51B14C278D0F58E3 # Mimikatz
            - IMPHASH=4D927A711F77D62CEBD4F322CB57EC6F # Mimikatz
            - IMPHASH=66EE036DF5FC1004D9ED5E9A94A1086A # Mimikatz
            - IMPHASH=672B13F4A0B6F27D29065123FE882DFC # Mimikatz
            - IMPHASH=6BBD59CEA665C4AFCC2814C1327EC91F # Mimikatz
            - IMPHASH=725BB81DC24214F6ECACC0CFB36AD30D # Mimikatz
            - IMPHASH=9528A0E91E28FBB88AD433FEABCA2456 # Mimikatz
            - IMPHASH=9DA6D5D77BE11712527DCAB86DF449A3 # Mimikatz
            - IMPHASH=A6E01BC1AB89F8D91D9EAB72032AAE88 # Mimikatz
            - IMPHASH=B24C5EDDAEA4FE50C6A96A2A133521E4 # Mimikatz
            - IMPHASH=D21BBC50DCC169D7B4D0F01962793154 # Mimikatz
            - IMPHASH=FCC251CCEAE90D22C392215CC9A2D5D6 # Mimikatz
            - IMPHASH=23867A89C2B8FC733BE6CF5EF902F2D1 # JuicyPotato
            - IMPHASH=A37FF327F8D48E8A4D2F757E1B6E70BC # JuicyPotato
            - IMPHASH=F9A28C458284584A93B14216308D31BD # JuicyPotatoNG
            - IMPHASH=6118619783FC175BC7EBECFF0769B46E # RoguePotato
            - IMPHASH=959A83047E80AB68B368FDB3F4C6E4EA # RoguePotato
            - IMPHASH=563233BFA169ACC7892451F71AD5850A # RoguePotato
            - IMPHASH=87575CB7A0E0700EB37F2E3668671A08 # RoguePotato
            - IMPHASH=13F08707F759AF6003837A150A371BA1 # Pwdump
            - IMPHASH=1781F06048A7E58B323F0B9259BE798B # Pwdump
            - IMPHASH=233F85F2D4BC9D6521A6CAAE11A1E7F5 # Pwdump
            - IMPHASH=24AF2584CBF4D60BBE5C6D1B31B3BE6D # Pwdump
            - IMPHASH=632969DDF6DBF4E0F53424B75E4B91F2 # Pwdump
            - IMPHASH=713C29B396B907ED71A72482759ED757 # Pwdump
            - IMPHASH=749A7BB1F0B4C4455949C0B2BF7F9E9F # Pwdump
            - IMPHASH=8628B2608957A6B0C6330AC3DE28CE2E # Pwdump
            - IMPHASH=8B114550386E31895DFAB371E741123D # Pwdump
            - IMPHASH=94CB940A1A6B65BED4D5A8F849CE9793 # PwDumpX
            - IMPHASH=9D68781980370E00E0BD939EE5E6C141 # Pwdump
            - IMPHASH=B18A1401FF8F444056D29450FBC0A6CE # Pwdump
            - IMPHASH=CB567F9498452721D77A451374955F5F # Pwdump
            - IMPHASH=730073214094CD328547BF1F72289752 # Htran
            - IMPHASH=17B461A082950FC6332228572138B80C # Cobalt Strike beacons
            - IMPHASH=DC25EE78E2EF4D36FAA0BADF1E7461C9 # Cobalt Strike beacons
            - IMPHASH=819B19D53CA6736448F9325A85736792 # Cobalt Strike beacons
            - IMPHASH=829DA329CE140D873B4A8BDE2CBFAA7E # Cobalt Strike beacons
            - IMPHASH=C547F2E66061A8DFFB6F5A3FF63C0A74 # PPLDump
            - IMPHASH=0588081AB0E63BA785938467E1B10CCA # PPLDump
            - IMPHASH=0D9EC08BAC6C07D9987DFD0F1506587C # NanoDump
            - IMPHASH=BC129092B71C89B4D4C8CDF8EA590B29 # NanoDump
            - IMPHASH=4DA924CF622D039D58BCE71CDF05D242 # NanoDump
            - IMPHASH=E7A3A5C377E2D29324093377D7DB1C66 # NanoDump
            - IMPHASH=9A9DBEC5C62F0380B4FA5FD31DEFFEDF # NanoDump
            - IMPHASH=AF8A3976AD71E5D5FDFB67DDB8DADFCE # NanoDump
            - IMPHASH=0C477898BBF137BBD6F2A54E3B805FF4 # NanoDump
            - IMPHASH=0CA9F02B537BCEA20D4EA5EB1A9FE338 # NanoDump
            - IMPHASH=3AB3655E5A14D4EEFC547F4781BF7F9E # NanoDump
            - IMPHASH=E6F9D5152DA699934B30DAAB206471F6 # NanoDump
            - IMPHASH=3AD59991CCF1D67339B319B15A41B35D # NanoDump
            - IMPHASH=FFDD59E0318B85A3E480874D9796D872 # NanoDump
            - IMPHASH=0CF479628D7CC1EA25EC7998A92F5051 # NanoDump
            - IMPHASH=07A2D4DCBD6CB2C6A45E6B101F0B6D51 # NanoDump
            - IMPHASH=D6D0F80386E1380D05CB78E871BC72B1 # NanoDump
            - IMPHASH=38D9E015591BBFD4929E0D0F47FA0055 # HandleKatz
            - IMPHASH=0E2216679CA6E1094D63322E3412D650 # HandleKatz
            - IMPHASH=ADA161BF41B8E5E9132858CB54CAB5FB # DripLoader
            - IMPHASH=2A1BC4913CD5ECB0434DF07CB675B798 # DripLoader
            - IMPHASH=11083E75553BAAE21DC89CE8F9A195E4 # DripLoader
            - IMPHASH=A23D29C9E566F2FA8FFBB79267F5DF80 # DripLoader
            - IMPHASH=4A07F944A83E8A7C2525EFA35DD30E2F # CreateMiniDump
            - IMPHASH=767637C23BB42CD5D7397CF58B0BE688 # UACMe Akagi
            - IMPHASH=14C4E4C72BA075E9069EE67F39188AD8 # UACMe Akagi
            - IMPHASH=3C782813D4AFCE07BBFC5A9772ACDBDC # UACMe Akagi
            - IMPHASH=7D010C6BB6A3726F327F7E239166D127 # UACMe Akagi
            - IMPHASH=89159BA4DD04E4CE5559F132A9964EB3 # UACMe Akagi
            - IMPHASH=6F33F4A5FC42B8CEC7314947BD13F30F # UACMe Akagi
            - IMPHASH=5834ED4291BDEB928270428EBBAF7604 # UACMe Akagi
            - IMPHASH=5A8A8A43F25485E7EE1B201EDCBC7A38 # UACMe Akagi
            - IMPHASH=DC7D30B90B2D8ABF664FBED2B1B59894 # UACMe Akagi
            - IMPHASH=41923EA1F824FE63EA5BEB84DB7A3E74 # UACMe Akagi
            - IMPHASH=3DE09703C8E79ED2CA3F01074719906B # UACMe Akagi
            - IMPHASH=A53A02B997935FD8EEDCB5F7ABAB9B9F # WCE
            - IMPHASH=E96A73C7BF33A464C510EDE582318BF2 # WCE
            - IMPHASH=32089B8851BBF8BC2D014E9F37288C83 # Sliver Stagers
            - IMPHASH=09D278F9DE118EF09163C6140255C690 # Dumpert
            - IMPHASH=03866661686829d806989e2fc5a72606 # Dumpert
            - IMPHASH=e57401fbdadcd4571ff385ab82bd5d6d # Dumpert
            - IMPHASH=84B763C45C0E4A3E7CA5548C710DB4EE # SysmonEnte
            - IMPHASH=19584675D94829987952432E018D5056 # SysmonQuiet
            - IMPHASH=330768A4F172E10ACB6287B87289D83B # ShaprEvtMute Hook
            - IMPHASH=885C99CCFBE77D1CBFCB9C4E7C1A3313 # Forkatz
            - IMPHASH=22A22BC9E4E0D2F189F1EA01748816AC # PPLKiller
            - IMPHASH=7FA30E6BB7E8E8A69155636E50BF1B28 # PPLKiller
            - IMPHASH=96DF3A3731912449521F6F8D183279B1 # Backstab
            - IMPHASH=7E6CF3FF4576581271AC8A313B2AAB46 # Backstab
            - IMPHASH=51791678F351C03A0EB4E2A7B05C6E17 # Backstab
            - IMPHASH=25CE42B079282632708FC846129E98A5 # Forensia
            - IMPHASH=021BCCA20BA3381B11BDDE26B4E62F20 # EDRSandBlast
            - IMPHASH=59223B5F52D8799D38E0754855CBDF42 # EDRSandBlast
            - IMPHASH=81E75D8F1D276C156653D3D8813E4A43 # EDRSandBlast
            - IMPHASH=17244E8B6B8227E57FE709CCAD421420 # EDRSandBlast
            - IMPHASH=5B76DA3ACDEDC8A5CDF23A798B5936B4 # EDRSandBlast
            - IMPHASH=CB2B65BB77D995CC1C0E5DF1C860133C # EDRSandBlast
            - IMPHASH=40445337761D80CF465136FAFB1F63E6 # EDRSandBlast
            - IMPHASH=8A790F401B29FA87BC1E56F7272B3AA6 # EDRSilencer
    condition: selection
falsepositives:
    - Unknown
level: high
direct high
Suspicious File Download From File Sharing Websites - File Stream
Detects the download of suspicious file type from a well-known file and paste sharing domain
status test author Florian Roth (Nextron Systems) id 52182dfb-afb7-41db-b4bc-5336cb29b464 license Sigma · DRL-1.1
view Sigma YAML 
title: Suspicious File Download From File Sharing Websites -  File Stream
id: 52182dfb-afb7-41db-b4bc-5336cb29b464
related:
    - id: ae02ed70-11aa-4a22-b397-c0d0e8f6ea99
      type: similar
status: test
description: Detects the download of suspicious file type from a well-known file and paste sharing domain
references:
    - https://www.ultimatewindowssecurity.com/securitylog/encyclopedia/event.aspx?eventid=90015
    - https://www.cisa.gov/uscert/ncas/alerts/aa22-321a
    - https://fabian-voith.de/2020/06/25/sysmon-v11-1-reads-alternate-data-streams/
    - https://www.microsoft.com/en-us/security/blog/2024/01/17/new-ttps-observed-in-mint-sandstorm-campaign-targeting-high-profile-individuals-at-universities-and-research-orgs/
author: Florian Roth (Nextron Systems)
date: 2022-08-24
modified: 2025-12-10
tags:
    - attack.stealth
    - attack.s0139
    - attack.t1564.004
logsource:
    product: windows
    category: create_stream_hash
detection:
    selection_domain:
        Contents|contains:
            - '.githubusercontent.com'       # Includes both gists and github repositories / Michael Haag (idea)
            - 'anonfiles.com'
            - 'cdn.discordapp.com'
            - 'ddns.net'
            - 'dl.dropboxusercontent.com'
            - 'ghostbin.co'
            - 'github.com'
            - 'glitch.me'
            - 'gofile.io'
            - 'hastebin.com'
            - 'mediafire.com'
            - 'mega.nz'
            - 'onrender.com'
            - 'pages.dev'
            - 'paste.ee'
            - 'pastebin.com'
            - 'pastebin.pl'
            - 'pastetext.net'
            - 'pixeldrain.com'
            - 'privatlab.com'
            - 'privatlab.net'
            - 'send.exploit.in'
            - 'sendspace.com'
            - 'storage.googleapis.com'
            - 'storjshare.io'
            - 'supabase.co'
            - 'temp.sh'
            - 'transfer.sh'
            - 'trycloudflare.com'
            - 'ufile.io'
            - 'w3spaces.com'
            - 'workers.dev'
    selection_extension:
        TargetFilename|contains:
            - '.cpl:Zone'
            - '.dll:Zone'
            - '.exe:Zone'
            - '.hta:Zone'
            - '.lnk:Zone'
            - '.one:Zone'
            - '.vbe:Zone'
            - '.vbs:Zone'
            - '.xll:Zone'
    condition: all of selection_*
falsepositives:
    - Some false positives might occur with binaries download via Github
level: high
direct high
Run PowerShell Script from Redirected Input Stream
Detects PowerShell script execution via input stream redirect
status test author Moriarty Meng (idea), Anton Kutepov (rule), oscd.community id c83bf4b5-cdf0-437c-90fa-43d734f7c476 license Sigma · DRL-1.1
view Sigma YAML 
title: Run PowerShell Script from Redirected Input Stream
id: c83bf4b5-cdf0-437c-90fa-43d734f7c476
status: test
description: Detects PowerShell script execution via input stream redirect
references:
    - https://github.com/LOLBAS-Project/LOLBAS/blob/4db780e0f0b2e2bb8cb1fa13e09196da9b9f1834/yml/LOLUtilz/OSBinaries/Powershell.yml
    - https://twitter.com/Moriarty_Meng/status/984380793383370752
author: Moriarty Meng (idea), Anton Kutepov (rule), oscd.community
date: 2020-10-17
modified: 2021-11-27
tags:
    - attack.execution
    - attack.t1059
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Image|endswith:
            - '\powershell.exe'
            - '\pwsh.exe'
        CommandLine|re: '\s-\s*<'
    condition: selection
falsepositives:
    - Unknown
level: high
direct medium
Powershell Store File In Alternate Data Stream
Storing files in Alternate Data Stream (ADS) similar to Astaroth malware.
status test author frack113 id a699b30e-d010-46c8-bbd1-ee2e26765fe9 license Sigma · DRL-1.1
view Sigma YAML 
title: Powershell Store File In Alternate Data Stream
id: a699b30e-d010-46c8-bbd1-ee2e26765fe9
status: test
description: Storing files in Alternate Data Stream (ADS) similar to Astaroth malware.
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1564.004/T1564.004.md
author: frack113
date: 2021-09-02
modified: 2022-12-25
tags:
    - attack.stealth
    - attack.t1564.004
logsource:
    product: windows
    category: ps_script
    definition: 'Requirements: Script Block Logging must be enabled'
detection:
    selection_compspec:
        ScriptBlockText|contains|all:
            - 'Start-Process'
            - '-FilePath "$env:comspec" '
            - '-ArgumentList '
            - '>'
    condition: selection_compspec
falsepositives:
    - Unknown
level: medium
direct medium
Potential Hidden Directory Creation Via NTFS INDEX_ALLOCATION Stream
Detects the creation of hidden file/folder with the "::$index_allocation" stream. Which can be used as a technique to prevent access to folder and files from tooling such as "explorer.exe" and "powershell.exe"
status test author Scoubi (@ScoubiMtl) id a8f866e1-bdd4-425e-a27a-37619238d9c7 license Sigma · DRL-1.1
view Sigma YAML 
title: Potential Hidden Directory Creation Via NTFS INDEX_ALLOCATION Stream
id: a8f866e1-bdd4-425e-a27a-37619238d9c7
related:
    - id: 0900463c-b33b-49a8-be1d-552a3b553dae
      type: similar
status: test
description: |
    Detects the creation of hidden file/folder with the "::$index_allocation" stream. Which can be used as a technique to prevent access to folder and files from tooling such as "explorer.exe" and "powershell.exe"
references:
    - https://twitter.com/pfiatde/status/1681977680688738305
    - https://soroush.me/blog/2010/12/a-dotty-salty-directory-a-secret-place-in-ntfs-for-secret-files/
    - https://sec-consult.com/blog/detail/pentesters-windows-ntfs-tricks-collection/
    - https://github.com/redcanaryco/atomic-red-team/blob/5c3b23002d2bbede3c07e7307165fc2a235a427d/atomics/T1564.004/T1564.004.md#atomic-test-5---create-hidden-directory-via-index_allocation
    - https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-fscc/c54dec26-1551-4d3a-a0ea-4fa40f848eb3
author: Scoubi (@ScoubiMtl)
date: 2023-10-09
tags:
    - attack.stealth
    - attack.t1564.004
logsource:
    product: windows
    category: file_event
detection:
    selection:
        # Note: Both Sysmon and ETW are unable to log the presence of such streams in the CommandLine. But EDRs such as Crowdstrike are able to use e.g. CMD console history. Users are advised to test this before usage
        TargetFilename|contains: '::$index_allocation'
    condition: selection
falsepositives:
    - Unlikely
level: medium
direct medium
Hidden Executable In NTFS Alternate Data Stream
Detects the creation of an ADS (Alternate Data Stream) that contains an executable by looking at a non-empty Imphash
status test author Florian Roth (Nextron Systems), @0xrawsec id b69888d4-380c-45ce-9cf9-d9ce46e67821 license Sigma · DRL-1.1
view Sigma YAML 
title: Hidden Executable In NTFS Alternate Data Stream
id: b69888d4-380c-45ce-9cf9-d9ce46e67821
status: test
description: Detects the creation of an ADS (Alternate Data Stream) that contains an executable by looking at a non-empty Imphash
references:
    - https://twitter.com/0xrawsec/status/1002478725605273600?s=21
author: Florian Roth (Nextron Systems), @0xrawsec
date: 2018-06-03
modified: 2023-02-10
tags:
    - attack.stealth
    - attack.s0139
    - attack.t1564.004
logsource:
    product: windows
    category: create_stream_hash
    definition: 'Requirements: Sysmon or equivalent configured with Imphash logging'
detection:
    selection:
        Hash|contains: 'IMPHASH='
    filter_main_null:
        Hash|contains: 'IMPHASH=00000000000000000000000000000000'
    condition: selection and not 1 of filter_main_*
falsepositives:
    - This rule isn't looking for any particular binary characteristics. As legitimate installers and programs were seen embedding hidden binaries in their ADS. Some false positives are expected from browser processes and similar.
level: medium
direct medium
Unusual File Download From File Sharing Websites - File Stream
Detects the download of suspicious file type from a well-known file and paste sharing domain
status test author Florian Roth (Nextron Systems) id ae02ed70-11aa-4a22-b397-c0d0e8f6ea99 license Sigma · DRL-1.1
view Sigma YAML 
title: Unusual File Download From File Sharing Websites - File Stream
id: ae02ed70-11aa-4a22-b397-c0d0e8f6ea99
related:
    - id: 52182dfb-afb7-41db-b4bc-5336cb29b464
      type: similar
status: test
description: Detects the download of suspicious file type from a well-known file and paste sharing domain
references:
    - https://www.ultimatewindowssecurity.com/securitylog/encyclopedia/event.aspx?eventid=90015
    - https://www.cisa.gov/uscert/ncas/alerts/aa22-321a
    - https://www.microsoft.com/en-us/security/blog/2024/01/17/new-ttps-observed-in-mint-sandstorm-campaign-targeting-high-profile-individuals-at-universities-and-research-orgs/
author: Florian Roth (Nextron Systems)
date: 2022-08-24
modified: 2025-12-10
tags:
    - attack.stealth
    - attack.s0139
    - attack.t1564.004
logsource:
    product: windows
    category: create_stream_hash
detection:
    selection_domain:
        Contents|contains:
            - '.githubusercontent.com'       # Includes both gists and github repositories / Michael Haag (idea)
            - 'anonfiles.com'
            - 'cdn.discordapp.com'
            - 'ddns.net'
            - 'dl.dropboxusercontent.com'
            - 'ghostbin.co'
            - 'github.com'
            - 'glitch.me'
            - 'gofile.io'
            - 'hastebin.com'
            - 'mediafire.com'
            - 'mega.nz'
            - 'onrender.com'
            - 'pages.dev'
            - 'paste.ee'
            - 'pastebin.com'
            - 'pastebin.pl'
            - 'pastetext.net'
            - 'pixeldrain.com'
            - 'privatlab.com'
            - 'privatlab.net'
            - 'send.exploit.in'
            - 'sendspace.com'
            - 'storage.googleapis.com'
            - 'storjshare.io'
            - 'supabase.co'
            - 'temp.sh'
            - 'transfer.sh'
            - 'trycloudflare.com'
            - 'ufile.io'
            - 'w3spaces.com'
            - 'workers.dev'
    selection_extension:
        TargetFilename|contains:
            - '.bat:Zone'
            - '.cmd:Zone'
            - '.ps1:Zone'
    condition: all of selection_*
falsepositives:
    - Unknown
level: medium
direct medium
Suspicious Diantz Alternate Data Stream Execution
Compress target file into a cab file stored in the Alternate Data Stream (ADS) of the target file.
status test author frack113 id 6b369ced-4b1d-48f1-b427-fdc0de0790bd license Sigma · DRL-1.1
view Sigma YAML 
title: Suspicious Diantz Alternate Data Stream Execution
id: 6b369ced-4b1d-48f1-b427-fdc0de0790bd
status: test
description: Compress target file into a cab file stored in the Alternate Data Stream (ADS) of the target file.
references:
    - https://lolbas-project.github.io/lolbas/Binaries/Diantz/
author: frack113
date: 2021-11-26
modified: 2022-12-31
tags:
    - attack.stealth
    - attack.t1564.004
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        CommandLine|contains|all:
            - diantz.exe
            - .cab
        CommandLine|re: ':[^\\]'
    condition: selection
falsepositives:
    - Very Possible
level: medium
direct medium
Potential Hidden Directory Creation Via NTFS INDEX_ALLOCATION Stream - CLI
Detects command line containing reference to the "::$index_allocation" stream, which can be used as a technique to prevent access to folders or files from tooling such as "explorer.exe" or "powershell.exe"
status test author Nasreddine Bencherchali (Nextron Systems), Scoubi (@ScoubiMtl) id 0900463c-b33b-49a8-be1d-552a3b553dae license Sigma · DRL-1.1
view Sigma YAML 
title: Potential Hidden Directory Creation Via NTFS INDEX_ALLOCATION Stream - CLI
id: 0900463c-b33b-49a8-be1d-552a3b553dae
related:
    - id: a8f866e1-bdd4-425e-a27a-37619238d9c7
      type: similar
status: test
description: |
    Detects command line containing reference to the "::$index_allocation" stream, which can be used as a technique to prevent access to folders or files from tooling such as "explorer.exe" or "powershell.exe"
references:
    - https://twitter.com/pfiatde/status/1681977680688738305
    - https://soroush.me/blog/2010/12/a-dotty-salty-directory-a-secret-place-in-ntfs-for-secret-files/
    - https://sec-consult.com/blog/detail/pentesters-windows-ntfs-tricks-collection/
    - https://github.com/redcanaryco/atomic-red-team/blob/5c3b23002d2bbede3c07e7307165fc2a235a427d/atomics/T1564.004/T1564.004.md#atomic-test-5---create-hidden-directory-via-index_allocation
    - https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-fscc/c54dec26-1551-4d3a-a0ea-4fa40f848eb3
author: Nasreddine Bencherchali (Nextron Systems), Scoubi (@ScoubiMtl)
date: 2023-10-09
tags:
    - attack.stealth
    - attack.t1564.004
logsource:
    product: windows
    category: process_creation
detection:
    selection:
        # Note: Both Sysmon and ETW are unable to log the presence of such stream in the CommandLine. But EDRs such as Crowdstrike are able to using for example CMD console history. Users are advised to test this before usage
        CommandLine|contains: '::$index_allocation'
    condition: selection
falsepositives:
    - Unlikely
level: medium
direct medium
Suspicious Extrac32 Alternate Data Stream Execution
Extract data from cab file and hide it in an alternate data stream
status test author frack113 id 4b13db67-0c45-40f1-aba8-66a1a7198a1e license Sigma · DRL-1.1
view Sigma YAML 
title: Suspicious Extrac32 Alternate Data Stream Execution
id: 4b13db67-0c45-40f1-aba8-66a1a7198a1e
status: test
description: Extract data from cab file and hide it in an alternate data stream
references:
    - https://lolbas-project.github.io/lolbas/Binaries/Extrac32/
author: frack113
date: 2021-11-26
modified: 2022-12-30
tags:
    - attack.stealth
    - attack.t1564.004
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        CommandLine|contains|all:
            - extrac32.exe
            - .cab
        CommandLine|re: ':[^\\]'
    condition: selection
falsepositives:
    - Unknown
level: medium
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