Detection rules › Sigma
PaperCut MF/NG Exploitation Related Indicators
Detects exploitation indicators related to PaperCut MF/NG Exploitation
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Execution | 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: PaperCut MF/NG Exploitation Related Indicators
id: de1bd0b6-6d59-417c-86d9-a44114aede3b
status: test
description: Detects exploitation indicators related to PaperCut MF/NG Exploitation
references:
- https://www.huntress.com/blog/critical-vulnerabilities-in-papercut-print-management-software
- https://www.papercut.com/kb/Main/PO-1216-and-PO-1219
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-04-25
tags:
- attack.execution
- detection.emerging-threats
logsource:
category: process_creation
product: windows
detection:
selection_1:
CommandLine|contains|all:
- ' /c '
- 'powershell'
- '-nop -w hidden'
- 'Invoke-WebRequest'
- 'setup.msi'
- '-OutFile'
selection_2:
CommandLine|contains|all:
- 'msiexec '
- '/i '
- 'setup.msi '
- '/qn '
- 'IntegratorLogin=fimaribahundq'
condition: 1 of selection_*
falsepositives:
- Unlikely
level: high
Stages and Predicates
Stage 0: condition
1 of selection_*Stage 1: selection_1
selection_1:
CommandLine|contains|all:
- ' /c '
- 'powershell'
- '-nop -w hidden'
- 'Invoke-WebRequest'
- 'setup.msi'
- '-OutFile'
Stage 2: selection_2
selection_2:
CommandLine|contains|all:
- 'msiexec '
- '/i '
- 'setup.msi '
- '/qn '
- 'IntegratorLogin=fimaribahundq'
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 |
|