Detection rules › Sigma
Uncommon Child Process Of Defaultpack.EXE
Detects uncommon child processes of "DefaultPack.EXE" binary as a proxy to launch other programs
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Stealth | T1218 System Binary Proxy Execution |
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: Uncommon Child Process Of Defaultpack.EXE
id: b2309017-4235-44fe-b5af-b15363011957
status: test
description: Detects uncommon child processes of "DefaultPack.EXE" binary as a proxy to launch other programs
references:
- https://lolbas-project.github.io/lolbas/OtherMSBinaries/DefaultPack/
- https://www.echotrail.io/insights/search/defaultpack.exe
author: frack113
date: 2022-12-31
modified: 2024-04-22
tags:
- attack.stealth
- attack.t1218
- attack.execution
logsource:
category: process_creation
product: windows
detection:
selection:
ParentImage|endswith: '\DefaultPack.exe'
condition: selection
falsepositives:
- Unknown
level: medium
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
ParentImage|endswith: '\DefaultPack.exe'
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 |
|---|---|---|
ParentImage | ends_with |
|