Query: alert when Adversaries may acquire credentials from web browsers by reading files specific to the target browser. Web browsers comm
Matching passage: Sigma rule: Adversaries may acquire credentials from web browsers by reading files specific to the target browser. Web browsers comm. Logsource: windows / ps_script. Rule: title: Access to Browser Login Data id: fc028194-969d-4122-8abe-0470d5b8f12f related: - id: 98f4c75c-3089-44f3-b733-b327b9cd9c9d type: obsolete - id: 47147b5b-9e17-4d76-b8d2-7bac24c5ce1b type: similar status: test description: 'Adversaries may acquire credentials from web browsers by reading files specific to the target browser. Web browsers commonly save credentials such as website usernames and passwords so that they do not need to be entered manually in the future. Web browsers typically store the credentials in an encrypted format within a credential store. ' references: - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1555.003/T1555.003.md author: frack113 date: 2022-01-30 tags: - attack.credential-access - attack.t1555.003 logsource: product: windows category: ps_script definition: 'Requirements: Script Block Logging must be enabled' detection: selection_cmd: ScriptBlockText|contains|all: - Copy-Item - -Destination selection_path: ScriptBlockText|contains: - \Opera Software\Opera Stable\Login Data - \Mozilla\Firefox\Profiles - \Microsoft\Edge\User Data\Default - \Google\Chrome\User Data\Default\Login Data - \Google\Chrome\User Data\Default\Login Data For Account condition: all of selection_* falsepositives: - Unknown level: medium
Near-miss passage: Sigma rule: Detects the execution of an Office application that points to a document that is located in a trusted location. Attacker. Logsource: windows / process_creation. Rule: title: Potentially Suspicious Office Document Executed From Trusted Location id: f99abdf0-6283-4e71-bd2b-b5c048a94743 status: test description: Detects the execution of an Office application that points to a document that is located in a trusted location. Attackers often used this to avoid macro security and execute their malicious code. references: - Internal Research - https://twitter.com/Max_Mal_/status/1633863678909874176 - https://techcommunity.microsoft.com/t5/microsoft-365-blog/new-security-hardening-policies-for-trusted-documents/ba-p/3023465 - https://twitter.com/_JohnHammond/status/1588155401752788994 author: Nasreddine Bencherchali (Nextron Systems) date: 2023-06-21 modified: 2023-10-18 tags: - attack.stealth - attack.t1202 logsource: category: process_creation product: windows detection: selection_parent: ParentImage|endswith: - \explorer.exe - \dopus.exe selection_img: - Image|endswith: - \EXCEL.EXE - \POWERPNT.EXE - \WINWORD.exe - OriginalFileName: - Excel.exe - POWERPNT.EXE - WinWord.exe selection_trusted_location: CommandLine|contains: - \AppData\Roaming\Microsoft\Templates - \AppData\Roaming\Microsoft\Word\Startup\ - \Microsoft Office\root\Templates\ - \Microsoft Office\Templates\ filter_main_dotx: CommandLine|endswith: - .dotx - .xltx - .potx condition: all of selection_* and not 1 of filter_main_* falsepositives: - Unknown level: high