Windows Process Creation: WebBrowserPassView.exe Execution
Flags Windows execution of WebBrowserPassView.exe, a browser password recovery tool often used for credential access.
- Product
- windows
- Category
- process_creation
- Author
- frack113 (SigmaHQ), DRL 1.1
- Published
- 2022-08-20
- Updated
- 2026-07-30
ATT&CK techniques
Cred AccessRecon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact
What it detects
This rule identifies execution of WebBrowserPassView.exe, a password recovery utility associated with extracting stored browser credentials. Attackers may use it during credential-access activity to recover passwords from browsers on a compromised system. It relies on process creation telemetry, matching the process image filename ending with \WebBrowserPassView.exe and the accompanying description text.
Reporting behind it
Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.
title: "Windows Process Creation: WebBrowserPassView.exe Execution"
id: 38f595a2-13f4-4e28-b577-3908872fef34
status: test
description: This rule identifies execution of WebBrowserPassView.exe, a password recovery utility associated with extracting stored browser credentials. Attackers may use it during credential-access activity to recover passwords from browsers on a compromised system. It relies on process creation telemetry, matching the process image filename ending with \WebBrowserPassView.exe and the accompanying description text.
references:
- https://github.com/redcanaryco/atomic-red-team/blob/40b77d63808dd4f4eafb83949805636735a1fd15/atomics/T1555.003/T1555.003.md
- https://github.com/SigmaHQ/sigma/blob/master/rules/windows/process_creation/proc_creation_win_pua_webbrowserpassview.yml
author: frack113, Huntrule Team
date: 2022-08-20
modified: 2023-02-14
tags:
- attack.credential-access
- attack.t1555.003
logsource:
category: process_creation
product: windows
detection:
selection:
- Description: Web Browser Password Viewer
- Image|endswith: \WebBrowserPassView.exe
condition: selection
falsepositives:
- Legitimate use
level: medium
license: DRL-1.1
related:
- id: d0dae994-26c6-4d2d-83b5-b3c8b79ae513
type: derived