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not datamodel
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@@ -4,8 +4,7 @@ version: 1
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date: '2023-02-22'
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author: Michael Haag, Splunk
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type: Anomaly
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datamodel:
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- Endpoint
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datamodel: []
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description: The following analytic utilizes Sysmon to identify process injection into Notepad.exe, based on GrantedAccess requests - 0x40 and 0x1fffff. This particular behavior is attributed to the defaults of the SliverC2 framework by BishopFox.
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By default, the analytic filters out any SourceImage paths of System32, Syswow64 and program files. Add more as needed, or remove and monitor what is consistently injecting into notepad.exe.
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This particular behavior will occur from a source image that is the initial payload dropped.
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@@ -4,8 +4,7 @@ version: 1
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date: '2023-03-03'
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author: Michael Haag, Splunk
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type: TTP
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datamodel:
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- Endpoint
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datamodel: []
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description: When an adversary utilizes SliverC2 to laterally move with the Psexec module, it will create a service with the name and description of "Sliver" and "Sliver Implant". Note that these may be easily changed and are specific to only SliverC2.
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We have also created the same regex as Microsoft has outlined to attempt to capture the suspicious service path (regex101 reference).
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search: '`wineventlog_system` EventCode=7045 ServiceName="sliver"
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