Query: detect Adversaries may acquire credentials from web browsers by reading files specific to the target browser. Web browsers comm in logs
Matching passage: Sigma rule: Adversaries may acquire credentials from web browsers by reading files specific to the target browser. Web browsers comm. Logsource: windows / process_creation. Rule: title: Potential Browser Data Stealing id: 47147b5b-9e17-4d76-b8d2-7bac24c5ce1b related: - id: fc028194-969d-4122-8abe-0470d5b8f12f type: derived 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 - https://www.cisa.gov/sites/default/files/2024-04/aa24-109a-stopransomware-akira-ransomware_2.pdf author: Nasreddine Bencherchali (Nextron Systems) date: 2022-12-23 modified: 2025-03-19 tags: - attack.credential-access - attack.t1555.003 logsource: category: process_creation product: windows detection: selection_cmd: - CommandLine|contains: - copy-item - 'copy ' - 'cpi ' - ' cp ' - 'move ' - move-item - ' mi ' - ' mv ' - Image|endswith: - \esentutl.exe - \xcopy.exe - \robocopy.exe - OriginalFileName: - esentutl.exe - XCOPY.EXE - robocopy.exe selection_path: CommandLine|contains: - \Amigo\User Data - \BraveSoftware\Brave-Browser\User Data - \CentBrowser\User Data - \Chromium\User Data - \CocCoc\Browser\User Data - \Comodo\Dragon\User Data - \Elements Browser\User Data - \Epic Privacy Browser\User Data - \Google\Chrome Beta\User Data - \Google\Chrome SxS\User Data - \Google\Chrome\User Data\ - \Kometa\User Data - \Maxthon5\Users - \Microsoft\Edge\User Data - \Mozilla\Firefox\Profiles - \Nichrome\User Data - \Opera Software\Opera GX Stable\ - \Opera Software\Opera Neon\User Data - \Opera Software\Opera Stable\ - \Orbitum\User Data - \QIP Surf\User Data - \Sputnik\User Data - \Torch\User Data - \uCozMedia\Uran\User Data - \Vivaldi\User Data condition: all of selection_* falsepositives: - Unknown level: medium
Near-miss passage: Sigma rule: Detects the use of CleanWipe a tool usually used to delete Symantec antivirus.. Logsource: windows / process_creation. Rule: title: PUA - CleanWipe Execution id: f44800ac-38ec-471f-936e-3fa7d9c53100 status: test description: Detects the use of CleanWipe a tool usually used to delete Symantec antivirus. references: - https://github.com/3CORESec/MAL-CL/tree/master/Descriptors/Other/CleanWipe author: Nasreddine Bencherchali (Nextron Systems) date: 2021-12-18 modified: 2023-02-14 tags: - attack.defense-impairment - attack.t1685 logsource: category: process_creation product: windows detection: selection1: Image|endswith: \SepRemovalToolNative_x64.exe selection2: Image|endswith: \CATClean.exe CommandLine|contains: --uninstall selection3: Image|endswith: \NetInstaller.exe CommandLine|contains: -r selection4: Image|endswith: \WFPUnins.exe CommandLine|contains|all: - /uninstall - /enterprise condition: 1 of selection* falsepositives: - Legitimate administrative use (Should be investigated either way) level: high