Query: write Sigma for Detects potentially suspicious file downloads from file sharing domains using wget.exe
Matching passage: Sigma rule: Detects potentially suspicious file downloads from file sharing domains using wget.exe. Logsource: windows / process_creation. Rule: title: Suspicious File Download From File Sharing Domain Via Wget.EXE id: a0d7e4d2-bede-4141-8896-bc6e237e977c related: - id: 8b48ad89-10d8-4382-a546-50588c410f0d type: similar - id: d635249d-86b5-4dad-a8c7-d7272b788586 type: similar - id: 52182dfb-afb7-41db-b4bc-5336cb29b464 type: similar - id: ae02ed70-11aa-4a22-b397-c0d0e8f6ea99 type: similar - id: e0f8ab85-0ac9-423b-a73a-81b3c7b1aa97 type: similar - id: 7b434893-c57d-4f41-908d-6a17bf1ae98f type: similar - id: 8518ed3d-f7c9-4601-a26c-f361a4256a0c type: similar - id: 42a5f1e7-9603-4f6d-97ae-3f37d130d794 type: similar - id: 56454143-524f-49fb-b1c6-3fb8b1ad41fb type: similar - id: b6e04788-29e1-4557-bb14-77f761848ab8 type: similar - id: 297ae038-edc2-4b2e-bb3e-7c5fc94dd5c7 type: similar status: test description: Detects potentially suspicious file downloads from file sharing domains using wget.exe references: - https://labs.withsecure.com/publications/fin7-target-veeam-servers - https://github.com/WithSecureLabs/iocs/blob/344203de742bb7e68bd56618f66d34be95a9f9fc/FIN7VEEAM/iocs.csv - 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: Nasreddine Bencherchali (Nextron Systems) date: 2023-05-05 modified: 2026-03-29 tags: - attack.execution logsource: category: process_creation product: windows detection: selection_img: - Image|endswith: \wget.exe - OriginalFileName: wget.exe selection_websites: CommandLine|contains: - .githubusercontent.com - 0x0.st - anonfiles.com - bashupload.com - cdn.discordapp.com - chunk.io - 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 - x0.at selection_http: CommandLine|contains: http selection_flag: - CommandLine|re: \s-O\s - CommandLine|contains: --output-document selection_ext: CommandLine|endswith: - .ps1 - .ps1' - .ps1" - .dat - .dat' - .dat" - .msi - .msi' - .msi" - .bat - .bat' - .bat" - .exe - .exe' - .exe" - .vbs - .vbs' - .vbs" - .vbe - .vbe' - .vbe" - .hta - .hta' - .hta" - .dll - .dll' - .dll" - .psm1 - .psm1' - .psm1" condition: all of selection_* falsepositives: -
Near-miss passage: Sigma rule: Detects modification of autostart extensibility point (ASEP) in registry.. Logsource: windows / registry_set. Rule: title: Session Manager Autorun Keys Modification id: 046218bd-e0d8-4113-a3c3-895a12b2b298 related: - id: 17f878b8-9968-4578-b814-c4217fc5768c type: obsolete status: test description: Detects modification of autostart extensibility point (ASEP) in registry. references: - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1547.001/T1547.001.md - https://learn.microsoft.com/en-us/sysinternals/downloads/autoruns - https://gist.github.com/GlebSukhodolskiy/0fc5fa5f482903064b448890db1eaf9d author: Victor Sergeev, Daniil Yugoslavskiy, Gleb Sukhodolskiy, Timur Zinniatullin, oscd.community, Tim Shelton, frack113 (split) date: 2019-10-25 modified: 2023-08-17 tags: - attack.privilege-escalation - attack.persistence - attack.t1547.001 - attack.t1546.009 logsource: category: registry_set product: windows detection: session_manager_base: TargetObject|contains: \System\CurrentControlSet\Control\Session Manager session_manager: TargetObject|contains: - \SetupExecute - \S0InitialCommand - \KnownDlls - \Execute - \BootExecute - \AppCertDlls filter: Details: (Empty) condition: session_manager_base and session_manager and not filter falsepositives: - Legitimate software automatically (mostly, during installation) sets up autorun keys for legitimate reason - Legitimate administrator sets up autorun keys for legitimate reason level: medium