HackTool - SysmonEnte Execution

calendar Aug 12, 2024 · attack.defense-evasion attack.t1562.002  ·
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Detects the use of SysmonEnte, a tool to attack the integrity of Sysmon

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 1title: HackTool - SysmonEnte Execution
 2id: d29ada0f-af45-4f27-8f32-f7b77c3dbc4e
 3status: test
 4description: Detects the use of SysmonEnte, a tool to attack the integrity of Sysmon
 5references:
 6    - https://codewhitesec.blogspot.com/2022/09/attacks-on-sysmon-revisited-sysmonente.html
 7    - https://github.com/codewhitesec/SysmonEnte/
 8    - https://github.com/codewhitesec/SysmonEnte/blob/main/screens/1.png
 9author: Florian Roth (Nextron Systems)
10date: 2022-09-07
11modified: 2023-11-28
12tags:
13    - attack.defense-evasion
14    - attack.t1562.002
15logsource:
16    category: process_access
17    product: windows
18detection:
19    selection_sysmon:
20        TargetImage|contains:
21            - ':\Windows\Sysmon.exe'
22            - ':\Windows\Sysmon64.exe'
23        GrantedAccess: '0x1400'
24    selection_calltrace:
25        CallTrace: 'Ente'
26    filter_main_generic:
27        SourceImage|contains:
28            - ':\Program Files (x86)\'
29            - ':\Program Files\'
30            - ':\Windows\System32\'
31            - ':\Windows\SysWOW64\'
32    filter_main_msdefender:
33        SourceImage|contains: ':\ProgramData\Microsoft\Windows Defender\Platform\'
34        SourceImage|endswith: '\MsMpEng.exe'
35    condition: ( selection_sysmon and not 1 of filter_main_* ) or selection_calltrace
36falsepositives:
37    - Unknown
38level: high

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