Query: detection rule: Detects HandleKatz opening LSASS to duplicate its handle to later dump the memory without opening any new handles
Matching passage: Sigma rule: Detects HandleKatz opening LSASS to duplicate its handle to later dump the memory without opening any new handles. Logsource: windows / process_access. Rule: title: HackTool - HandleKatz Duplicating LSASS Handle id: b1bd3a59-c1fd-4860-9f40-4dd161a7d1f5 status: test description: Detects HandleKatz opening LSASS to duplicate its handle to later dump the memory without opening any new handles references: - https://github.com/codewhitesec/HandleKatz author: Bhabesh Raj (rule), @thefLinkk date: 2022-06-27 modified: 2023-11-28 tags: - attack.execution - attack.t1106 - attack.t1003.001 - attack.credential-access logsource: category: process_access product: windows detection: selection: TargetImage|endswith: \lsass.exe GrantedAccess: '0x1440' CallTrace|startswith: C:\Windows\System32\ntdll.dll+ CallTrace|contains: '|UNKNOWN(' CallTrace|endswith: ) condition: selection falsepositives: - Unknown level: high
Near-miss passage: Sigma rule: Detects the creation of files with an "LNK" as a second extension. This is sometimes used by malware as a method to abus. Logsource: windows / file_event. Rule: title: Suspicious LNK Double Extension File Created id: 3215aa19-f060-4332-86d5-5602511f3ca8 related: - id: b4926b47-a9d7-434c-b3a0-adc3fa0bd13e type: derived status: test description: 'Detects the creation of files with an "LNK" as a second extension. This is sometimes used by malware as a method to abuse the fact that Windows hides the "LNK" extension by default. ' references: - https://www.crowdstrike.com/blog/meet-crowdstrikes-adversary-of-the-month-for-june-mustang-panda/ - https://www.anomali.com/blog/china-based-apt-mustang-panda-targets-minority-groups-public-and-private-sector-organizations - https://www.cybereason.com/blog/research/a-bazar-of-tricks-following-team9s-development-cycles - https://twitter.com/malwrhunterteam/status/1235135745611960321 - https://twitter.com/luc4m/status/1073181154126254080 author: Nasreddine Bencherchali (Nextron Systems), frack113 date: 2022-11-07 modified: 2023-10-18 tags: - attack.stealth - attack.t1036.007 logsource: category: file_event product: windows detection: selection: TargetFilename|endswith: .lnk TargetFilename|contains: - .doc. - .docx. - .jpg. - .pdf. - .ppt. - .pptx. - .xls. - .xlsx. filter_main_recent: TargetFilename|contains: \AppData\Roaming\Microsoft\Windows\Recent\ filter_optional_office_recent: Image|endswith: - \excel.exe - \powerpnt.exe - \winword.exe TargetFilename|contains: \AppData\Roaming\Microsoft\Office\Recent\ filter_optional_office_excel: Image|endswith: \excel.exe TargetFilename|contains: \AppData\Roaming\Microsoft\Excel filter_optional_office_powerpoint: Image|endswith: \powerpnt.exe TargetFilename|contains: \AppData\Roaming\Microsoft\PowerPoint filter_optional_office_word: Image|endswith: \winword.exe TargetFilename|contains: \AppData\Roaming\Microsoft\Word condition: selection and not 1 of filter_main_* and not 1 of filter_optional_* falsepositives: - Some tuning is required for other general purpose directories of third party apps level: medium regression_tests_path: regression_data/rules/windows/file/file_event/file_event_win_susp_lnk_double_extension/info.yml