Password Protected ZIP File Opened
Detects the extraction of password protected ZIP archives. See the filename variable for more details on which file has been opened.
Detection logic
selection
EventID: 5379
TargetName|contains: Microsoft_Windows_Shell_ZipFolder:filenamefilter
TargetName|contains: \Temporary Internet Files\Content.OutlookCondition
selection and not filterRaw YAML
title: Password Protected ZIP File Opened
id: 00ba9da1-b510-4f6b-b258-8d338836180f
status: test
description: Detects the extraction of password protected ZIP archives. See the filename variable for more details on which file has been opened.
references:
- https://twitter.com/sbousseaden/status/1523383197513379841
author: Florian Roth (Nextron Systems)
date: 2022-05-09
tags:
- attack.stealth
- attack.t1027
logsource:
product: windows
service: security
detection:
selection:
EventID: 5379
TargetName|contains: 'Microsoft_Windows_Shell_ZipFolder:filename'
filter: # avoid overlaps with 54f0434b-726f-48a1-b2aa-067df14516e4
TargetName|contains: '\Temporary Internet Files\Content.Outlook'
condition: selection and not filter
falsepositives:
- Legitimate used of encrypted ZIP files
level: mediumFalse positives
- Legitimate used of encrypted ZIP files