Detection rules › Sigma

Turla Group Commands May 2020

Status
test
Severity
critical
Log source
product windows, category process_creation
Author
Florian Roth (Nextron Systems)
Source
github.com/SigmaHQ/sigma

Detects commands used by Turla group as reported by ESET in May 2020

MITRE ATT&CK coverage

Event coverage

Rule body yaml

title: Turla Group Commands May 2020
id: 9e2e51c5-c699-4794-ba5a-29f5da40ac0c
status: test
description: Detects commands used by Turla group as reported by ESET in May 2020
references:
    - https://www.welivesecurity.com/wp-content/uploads/2020/05/ESET_Turla_ComRAT.pdf
author: Florian Roth (Nextron Systems)
date: 2020-05-26
modified: 2025-10-19
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.stealth
    - attack.g0010
    - attack.execution
    - attack.t1059.001
    - attack.t1053.005
    - attack.t1027
    - detection.emerging-threats
logsource:
    category: process_creation
    product: windows
detection:
    selection_cli_1:
        CommandLine|contains:
            - 'tracert -h 10 yahoo.com'
            - '.WSqmCons))|iex;'
            - 'Fr`omBa`se6`4Str`ing'
    selection_cli_2:
        CommandLine|re: 'net\s+use\s+https://docs.live.net'
        CommandLine|contains: '@aol.co.uk'
    condition: 1 of selection_*
falsepositives:
    - Unknown
level: critical

Stages and Predicates

Stage 0: condition

1 of selection_*

Stage 1: selection_cli_1

selection_cli_1:
    CommandLine|contains:
        - 'tracert -h 10 yahoo.com'
        - '.WSqmCons))|iex;'
        - 'Fr`omBa`se6`4Str`ing'

Stage 2: selection_cli_2

selection_cli_2:
    CommandLine|re: 'net\s+use\s+https://docs.live.net'
    CommandLine|contains: '@aol.co.uk'

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
  • .WSqmCons))|iex;
  • @aol.co.uk
  • Fr`omBa`se6`4Str`ing
  • tracert -h 10 yahoo.com
CommandLineregex_match
  • net\s+use\s+https://docs.live.net