Detection rules › Sigma
Network Connection Initiated By IMEWDBLD.EXE
Detects a network connection initiated by IMEWDBLD.EXE. This might indicate potential abuse of the utility as a LOLBIN in order to download arbitrary files or additional payloads.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Command & Control | T1105 Ingress Tool Transfer |
Event coverage
| Provider | Event | Title |
|---|---|---|
| Sysmon | Event ID 3 | Network connection |
Rule body yaml
title: Network Connection Initiated By IMEWDBLD.EXE
id: 8d7e392e-9b28-49e1-831d-5949c6281228
related:
- id: 863218bd-c7d0-4c52-80cd-0a96c09f54af
type: derived
status: test
description: |
Detects a network connection initiated by IMEWDBLD.EXE. This might indicate potential abuse of the utility as a LOLBIN in order to download arbitrary files or additional payloads.
references:
- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1105/T1105.md#atomic-test-10---windows---powershell-download
- https://lolbas-project.github.io/lolbas/Binaries/IMEWDBLD/
author: frack113
date: 2022-01-22
modified: 2023-11-09
tags:
- attack.command-and-control
- attack.t1105
logsource:
category: network_connection
product: windows
detection:
selection:
Initiated: 'true'
Image|endswith: '\IMEWDBLD.exe'
condition: selection
falsepositives:
- Unknown
# Note: Please reduce this to medium if you find legitimate connections
level: high
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
Initiated: 'true'
Image|endswith: '\IMEWDBLD.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.