IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Execution of File Written or Modified by PDF Reader
editExecution of File Written or Modified by PDF Reader
editIdentifies a suspicious file that was written by a PDF reader application and subsequently executed. These processes are often launched via exploitation of PDF applications.
Rule type: eql
Rule indices:
- logs-endpoint.events.*
- winlogbeat-*
- logs-windows.*
Severity: high
Risk score: 21
Runs every: 60m
Searches indices from: now-120m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
References: None
Tags:
- Elastic
- Host
- Windows
- Threat Detection
- Execution
Version: 4
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule query
editsequence with maxspan=2h
[file where event.type != "deletion" and file.extension : "exe" and
(process.name : "AcroRd32.exe" or
process.name : "rdrcef.exe" or
process.name : "FoxitPhantomPDF.exe" or
process.name : "FoxitReader.exe") and
not (file.name : "FoxitPhantomPDF.exe" or
file.name : "FoxitPhantomPDFUpdater.exe" or
file.name : "FoxitReader.exe" or
file.name : "FoxitReaderUpdater.exe" or
file.name : "AcroRd32.exe" or
file.name : "rdrcef.exe")
] by host.id, file.path
[process where event.type in ("start", "process_started")] by host.id, process.executable
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Execution
- ID: TA0002
- Reference URL: https://attack.mitre.org/tactics/TA0002/
-
Tactic:
- Name: Initial Access
- ID: TA0001
- Reference URL: https://attack.mitre.org/tactics/TA0001/
-
Technique:
- Name: Phishing
- ID: T1566
- Reference URL: https://attack.mitre.org/techniques/T1566/
-
Sub-technique:
- Name: Spearphishing Attachment
- ID: T1566.001
- Reference URL: https://attack.mitre.org/techniques/T1566/001/
-
Sub-technique:
- Name: Spearphishing Link
- ID: T1566.002
- Reference URL: https://attack.mitre.org/techniques/T1566/002/