41 lines
925 B
YAML
41 lines
925 B
YAML
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title: ZxShell Malware
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ruletype: Sigma
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author: Florian Roth, oscd.community, Jonhnathan Ribeiro
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date: 2017/07/20
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description: Detects a ZxShell start by the called and well-known function name
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detection:
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SELECTION_1:
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EventID: 1
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SELECTION_2:
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Image:
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- '*\rundll32.exe'
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SELECTION_3:
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CommandLine:
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- '*zxFunction*'
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- '*RemoteDiskXXXXX*'
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condition: (SELECTION_1 and SELECTION_2 and SELECTION_3)
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falsepositives:
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- Unlikely
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fields:
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- CommandLine
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- ParentCommandLine
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id: f0b70adb-0075-43b0-9745-e82a1c608fcc
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level: critical
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logsource:
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category: process_creation
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product: windows
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modified: 2021/11/27
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references:
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- https://www.hybrid-analysis.com/sample/5d2a4cde9fa7c2fdbf39b2e2ffd23378d0c50701a3095d1e91e3cf922d7b0b16?environmentId=100
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status: test
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tags:
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- attack.execution
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- attack.t1059.003
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- attack.t1059
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- attack.defense_evasion
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- attack.t1218.011
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- attack.t1085
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- attack.s0412
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- attack.g0001
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