Potential Conti Ransomware Database Dumping Activity Via SQLCmd

testhigh
log source: windows · process_creationauthor frack113date 2021-08-16
01

description

What this is, in brief.

Detects a command used by conti to dump database

02

tags

attack.collectionattack.t1005detection.emerging-threats
03

rule source (YAML)

title: Potential Conti Ransomware Database Dumping Activity Via SQLCmd
id: 2f47f1fd-0901-466e-a770-3b7092834a1b
status: test
description: Detects a command used by conti to dump database
references:
    - https://twitter.com/vxunderground/status/1423336151860002816?s=20 # The leak info not the files itself
    - https://www.virustotal.com/gui/file/03e9b8c2e86d6db450e5eceec057d7e369ee2389b9daecaf06331a95410aa5f8/detection
    - https://docs.microsoft.com/en-us/sql/tools/sqlcmd-utility?view=sql-server-ver15
author: frack113
date: 2021-08-16
modified: 2023-05-04
tags:
    - attack.collection
    - attack.t1005
    - detection.emerging-threats
logsource:
    category: process_creation
    product: windows
detection:
    selection_tools:
        - Image|endswith: '\sqlcmd.exe'
        - CommandLine|contains:
              - 'sqlcmd '
              - 'sqlcmd.exe'
    selection_svr:
        CommandLine|contains: ' -S localhost '
    selection_query:
        CommandLine|contains:
            - 'sys.sysprocesses'
            - 'master.dbo.sysdatabases'
            - 'BACKUP DATABASE'
    condition: all of selection_*
falsepositives:
    - Unknown
level: high
04

detects techniques (1)

ATT&CK techniques this enables or maps to.

05

references

External citations — patches, advisories, analysis.