Query: write Sigma for Detects the deletion of all backups or system state backups via "wbadmin.exe". This technique is used by numerous ransom
Matching passage: Sigma rule: Detects the deletion of all backups or system state backups via "wbadmin.exe". This technique is used by numerous ransom. Logsource: windows / process_creation. Rule: title: All Backups Deleted Via Wbadmin.EXE id: 639c9081-f482-47d3-a0bd-ddee3d4ecd76 related: - id: 89f75308-5b1b-4390-b2d8-d6b2340efaf8 type: derived status: test description: 'Detects the deletion of all backups or system state backups via "wbadmin.exe". This technique is used by numerous ransomware families and actors. This may only be successful on server platforms that have Windows Backup enabled. ' references: - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1490/T1490.md#atomic-test-5---windows---delete-volume-shadow-copies-via-wmi-with-powershell - https://github.com/albertzsigovits/malware-notes/blob/558898932c1579ff589290092a2c8febefc3a4c9/Ransomware/Lockbit.md - https://www.sentinelone.com/labs/ranzy-ransomware-better-encryption-among-new-features-of-thunderx-derivative/ - https://www.trendmicro.com/vinfo/us/security/news/cybercrime-and-digital-threats/ransomware-report-avaddon-and-new-techniques-emerge-industrial-sector-targeted - https://www.trendmicro.com/content/dam/trendmicro/global/en/research/24/b/lockbit-attempts-to-stay-afloat-with-a-new-version/technical-appendix-lockbit-ng-dev-analysis.pdf - https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/wbadmin-delete-systemstatebackup author: frack113, Nasreddine Bencherchali (Nextron Systems) date: 2021-12-13 modified: 2024-05-10 tags: - attack.impact - attack.t1490 logsource: category: process_creation product: windows detection: selection_img: - Image|endswith: \wbadmin.exe - OriginalFileName: WBADMIN.EXE selection_cli: CommandLine|contains|all: - delete - backup CommandLine|contains: keepVersions:0 condition: all of selection_* falsepositives: - Unknown level: high
Near-miss passage: Sigma rule: Detects when a firewall rule is modified or deleted in Google Cloud Platform (GCP).. Logsource: gcp / gcp.audit. Rule: title: Google Cloud Firewall Modified or Deleted id: fe513c69-734c-4d4a-8548-ac5f609be82b status: test description: Detects when a firewall rule is modified or deleted in Google Cloud Platform (GCP). references: - https://cloud.google.com/kubernetes-engine/docs/how-to/audit-logging - https://developers.google.com/resources/api-libraries/documentation/compute/v1/java/latest/com/google/api/services/compute/Compute.Firewalls.html author: Austin Songer @austinsonger date: 2021-08-13 modified: 2022-10-09 tags: - attack.defense-impairment - attack.t1685 logsource: product: gcp service: gcp.audit detection: selection: gcp.audit.method_name: - v*.Compute.Firewalls.Delete - v*.Compute.Firewalls.Patch - v*.Compute.Firewalls.Update - v*.Compute.Firewalls.Insert condition: selection falsepositives: - Firewall rules being modified or deleted may be performed by a system administrator. Verify that the firewall configuration change was expected. - Exceptions can be added to this rule to filter expected behavior. level: medium