Query: detection rule: Detects potentially suspicious child processes of "Diskshadow.exe". This could be an attempt to bypass parent/child rela
Matching passage: Sigma rule: Detects potentially suspicious child processes of "Diskshadow.exe". This could be an attempt to bypass parent/child rela. Logsource: windows / process_creation. Rule: title: Potentially Suspicious Child Process Of DiskShadow.EXE id: 9f546b25-5f12-4c8d-8532-5893dcb1e4b8 related: - id: fa1a7e52-3d02-435b-81b8-00da14dd66c1 type: similar - id: 1dde5376-a648-492e-9e54-4241dd9b0c7f type: similar - id: 56b1dde8-b274-435f-a73a-fb75eb81262a type: similar - id: 0c2f8629-7129-4a8a-9897-7e0768f13ff2 type: similar status: test description: Detects potentially suspicious child processes of "Diskshadow.exe". This could be an attempt to bypass parent/child relationship detection or application whitelisting rules. references: - https://bohops.com/2018/03/26/diskshadow-the-return-of-vss-evasion-persistence-and-active-directory-database-extraction/ - https://www.ired.team/offensive-security/credential-access-and-credential-dumping/ntds.dit-enumeration - https://medium.com/@cyberjyot/lolbin-execution-via-diskshadow-f6ff681a27a4 - https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/diskshadow - https://www.lifars.com/wp-content/uploads/2022/01/GriefRansomware_Whitepaper-2.pdf - https://www.zscaler.com/blogs/security-research/technical-analysis-crytox-ransomware - https://research.checkpoint.com/2022/evilplayout-attack-against-irans-state-broadcaster/ author: Nasreddine Bencherchali (Nextron Systems) date: 2023-09-15 tags: - attack.stealth - attack.t1218 logsource: category: process_creation product: windows detection: selection: ParentImage|endswith: \diskshadow.exe Image|endswith: - \certutil.exe - \cscript.exe - \mshta.exe - \powershell.exe - \pwsh.exe - \regsvr32.exe - \rundll32.exe - \wscript.exe condition: selection falsepositives: - False postitve can occur in cases where admin scripts levreage the "exec" flag to execute applications level: medium
Near-miss passage: Sigma rule: Detects netsh commands that turns off the Windows firewall. Logsource: windows / process_creation. Rule: title: Firewall Disabled via Netsh.EXE id: 57c4bf16-227f-4394-8ec7-1b745ee061c3 status: test description: Detects netsh commands that turns off the Windows firewall references: - https://www.winhelponline.com/blog/enable-and-disable-windows-firewall-quickly-using-command-line/ - https://app.any.run/tasks/210244b9-0b6b-4a2c-83a3-04bd3175d017/ - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1562.004/T1562.004.md#atomic-test-1---disable-microsoft-defender-firewall author: Fatih Sirin date: 2019-11-01 modified: 2023-02-13 tags: - attack.defense-impairment - attack.t1686.003 - attack.s0108 logsource: category: process_creation product: windows detection: selection_img: - Image|endswith: \netsh.exe - OriginalFileName: netsh.exe selection_cli_1: CommandLine|contains|all: - firewall - set - opmode - disable selection_cli_2: CommandLine|contains|all: - advfirewall - set - state - 'off' condition: selection_img and 1 of selection_cli_* falsepositives: - Legitimate administration activity level: medium