frack113
33 lines
1.1 KiB
YAML
33 lines
1.1 KiB
YAML
title: Sysmon Process Hollowing Detection
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id: c4b890e5-8d8c-4496-8c66-c805753817cd
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status: experimental
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description: Detects when a memory process image does not match the disk image, indicative of process hollowing.
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author: Christopher Peacock '@securepeacock', SCYTHE '@scythe_io', Sittikorn S
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date: 2022/01/25
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modified: 2022/02/01
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references:
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- https://twitter.com/SecurePeacock/status/1486054048390332423?s=20
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- https://www.bleepingcomputer.com/news/microsoft/microsoft-sysmon-now-detects-malware-process-tampering-attempts/
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tags:
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- attack.process_injection
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- attack.t1055.012
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logsource:
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product: windows
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category: process_tampering
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detection:
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selection:
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Type: Image is replaced
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filters:
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Image|contains:
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- ':\Program Files\'
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- ':\Program Files (x86)'
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Image|endswith:
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- '\chrome.exe'
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- '\opera.exe'
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- '\firefox.exe'
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- '\MicrosoftEdge.exe'
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condition: selection and not filters
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falsepositives:
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- There are no known false positives at this time
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level: high
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