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Detection rules › Sigma

HackTool - Potential CobaltStrike Process Injection

Status
test
Severity
high
Log source
category create_remote_thread, product windows
Author
Olaf Hartong, Florian Roth (Nextron Systems), Aleksey Potapov, oscd.community
Source
github.com/SigmaHQ/sigma

Detects a potential remote threat creation with certain characteristics which are typical for Cobalt Strike beacons

MITRE ATT&CK coverage

TacticTechniques
Privilege Escalation
Stealth

Telemetry coverage

ProviderRecord / event type
SysmonEvent ID 8: CreateRemoteThread

Rule body

title: HackTool - Potential CobaltStrike Process Injection
id: 6309645e-122d-4c5b-bb2b-22e4f9c2fa42
status: test
description: Detects a potential remote threat creation with certain characteristics which are typical for Cobalt Strike beacons
references:
    - https://medium.com/@olafhartong/cobalt-strike-remote-threads-detection-206372d11d0f
    - https://blog.cobaltstrike.com/2018/04/09/cobalt-strike-3-11-the-snake-that-eats-its-tail/
author: Olaf Hartong, Florian Roth (Nextron Systems), Aleksey Potapov, oscd.community
date: 2018-11-30
modified: 2023-05-05
tags:
    - attack.privilege-escalation
    - attack.stealth
    - attack.t1055.001
logsource:
    product: windows
    category: create_remote_thread
detection:
    selection:
        StartAddress|endswith:
            - '0B80'
            - '0C7C'
            - '0C88'
    condition: selection
falsepositives:
    - Unknown
level: high

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    StartAddress|endswith:
        - '0B80'
        - '0C7C'
        - '0C88'

Indicators

These rows show field, operator, and value matches.

FieldKindValuesSearch
StartAddressends_with
  • 0B80
  • 0C7C
  • 0C88
field:"StartAddress" kind:ends_with