ComRAT Network Communication

Status: test
Severity: high
Log source: category proxy
Author: Florian Roth (Nextron Systems)
Source: github.com/SigmaHQ/sigma

Detects Turla ComRAT network communication.

MITRE ATT&CK coverage

Tactic	Techniques
Command & Control	`T1071.001` Application Layer Protocol: Web Protocols

Rule body

title: ComRAT Network Communication
id: 7857f021-007f-4928-8b2c-7aedbe64bb82
status: test
description: Detects Turla ComRAT network communication.
references:
    - https://www.welivesecurity.com/wp-content/uploads/2020/05/ESET_Turla_ComRAT.pdf
author: Florian Roth (Nextron Systems)
date: 2020-05-26
modified: 2024-02-26
tags:
    - attack.command-and-control
    - attack.t1071.001
    - attack.g0010
    - detection.emerging-threats
logsource:
    category: proxy
detection:
    selection:
        c-uri|contains: '/index/index.php\?h='
    condition: selection
falsepositives:
    - Unknown
level: high

Stages and Predicates

Stage 0: `condition`

selection

Stage 1: `selection`

selection:
    c-uri|contains: '/index/index.php\?h='

Indicators

These rows show field, operator, and value matches.

Field	Kind	Values	Search
`c-uri`	match	`/index/index.php\?h=`	`field:"c-uri" kind:match value:"/index/index.php\?h="`

ComRAT Network Communication

MITRE ATT&CK coverage

Rule body

Stages and Predicates

Stage 0: condition

Stage 1: selection

Indicators

Stage 0: `condition`

Stage 1: `selection`