Detection rules › Sigma

Veeam Backup Database Suspicious Query

Severity
medium
Author
Nasreddine Bencherchali (Nextron Systems)
Source
upstream

Detects potentially suspicious SQL queries using SQLCmd targeting the Veeam backup databases in order to steal information.

MITRE ATT&CK coverage

TacticTechniques
CollectionT1005 Data from Local System

Event coverage

ProviderEvent IDTitle
Sysmon1Process creation
Security-Auditing4688A new process has been created.

Stages and Predicates

Stage 1: all of selection_sql

CommandLine|contains: 'From '
CommandLine|contains: VeeamBackup
Image|endswith: '\sqlcmd.exe'

Stage 2: all of selection_db

or:
CommandLine|contains: BackupRepositories
CommandLine|contains: Backups
CommandLine|contains: Credentials
CommandLine|contains: HostCreds
CommandLine|contains: SmbFileShares
CommandLine|contains: Ssh_creds
CommandLine|contains: VSphereInfo

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.

FieldKindValues
CommandLinematch
  • BackupRepositories
  • Backups
  • Credentials
  • From
  • HostCreds
  • SmbFileShares
  • Ssh_creds
  • VSphereInfo
  • VeeamBackup
Imageends_with
  • \sqlcmd.exe corpus 2 (sigma 2)

Neighbors

Broader alternatives (more inclusive than this rule)

These rules match a superset of what this rule catches. They cover the same events plus more. Use them if you want wider coverage and can absorb more false positives.