1200KM / sigma-rule
Uncommon Child Process Of Defaultpack.EXE — Sigma Rule
Sigma rule b2309017-4235-44fe-b5af-b15363011957. Uncommon Child Process Of Defaultpack.EXE — Sigma Rule. Detects uncommon child processes of "DefaultPack.EXE" binary as a proxy to launch other programs
Rule metadata and linked tags
Author: frack113. Source status: test; severity: medium. Source dates: 2022-12-31 / 2024-04-22.
{
"category": "process_creation",
"product": "windows"
}Pinned original Sigma rule · Detection Rule License 1.1
Source SHA-256: 185139f84bee688440c3102cb5feaf2feff11b0a8559f90336e9616c79a5869c
Detection logic
Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.
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
False positives
- Unknown
Source references
Connected ecosystem references
Exact source-tagged techniques
Telemetry review
Read the original logsource above, then inspect the linked detection workspaces for technique-level sensor context. No per-rule telemetry equivalence is inferred.
Pinned research references. No browser attack runner, live simulation result or validated detector is asserted. Source mappings and validation limits are preserved. ATT&CK / Atomic provenance · Detection provenance.