Detection rules › Sigma
DumpStack.log Defender Evasion
Detects the use of the filename DumpStack.log to evade Microsoft Defender
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Defense Impairment | No specific technique |
Event coverage
| Provider | Event | Title |
|---|---|---|
| Sysmon | Event ID 1 | Process creation |
| Security-Auditing | Event ID 4688 | A new process has been created. |
Rule body yaml
title: DumpStack.log Defender Evasion
id: 4f647cfa-b598-4e12-ad69-c68dd16caef8
status: test
description: Detects the use of the filename DumpStack.log to evade Microsoft Defender
references:
- https://twitter.com/mrd0x/status/1479094189048713219
author: Florian Roth (Nextron Systems)
date: 2022-01-06
modified: 2022-06-17
tags:
- attack.defense-impairment
logsource:
category: process_creation
product: windows
detection:
selection:
Image|endswith: '\DumpStack.log'
selection_download:
CommandLine|contains: ' -o DumpStack.log'
condition: 1 of selection*
falsepositives:
- Unknown
level: critical
Stages and Predicates
Stage 0: condition
1 of selection*Stage 1: selection
selection:
Image|endswith: '\DumpStack.log'
Stage 2: selection_download
selection_download:
CommandLine|contains: ' -o DumpStack.log'
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.
| Field | Kind | Values |
|---|---|---|
CommandLine | match |
|
Image | ends_with |
|