Nasreddine Bencherchali
598d29f811
chore: change tags, date, modified fields to comply with v2 of the Sigma spec. chore: update the related type from `obsoletes` to `obsolete`. chore: update local json schema to the latest version.
30 lines
994 B
YAML
30 lines
994 B
YAML
title: Remotely Hosted HTA File Executed Via Mshta.EXE
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id: b98d0db6-511d-45de-ad02-e82a98729620
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status: test
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description: Detects execution of the "mshta" utility with an argument containing the "http" keyword, which could indicate that an attacker is executing a remotely hosted malicious hta file
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references:
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- https://www.trendmicro.com/en_us/research/22/e/avoslocker-ransomware-variant-abuses-driver-file-to-disable-anti-Virus-scans-log4shell.html
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author: Nasreddine Bencherchali (Nextron Systems)
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date: 2022-08-08
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modified: 2023-02-06
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tags:
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- attack.defense-evasion
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- attack.execution
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- attack.t1218.005
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logsource:
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category: process_creation
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product: windows
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detection:
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selection_img:
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- Image|endswith: '\mshta.exe'
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- OriginalFileName: 'MSHTA.EXE'
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selection_cli:
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CommandLine|contains:
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- 'http://'
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- 'https://'
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- 'ftp://'
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condition: all of selection_*
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falsepositives:
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- Unknown
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level: high
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