49 lines
1.3 KiB
YAML
49 lines
1.3 KiB
YAML
id: bash-scanner
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info:
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name: Bash Scanner
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author: ransomsec
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severity: info
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description: Indicator for bash Dangerous Commands – You Should Never Execute on Linux
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reference:
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- https://www.tecmint.com/10-most-dangerous-commands-you-should-never-execute-on-linux/
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- https://phoenixnap.com/kb/dangerous-linux-terminal-commands
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tags: bash,file,shell,sh
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file:
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- extensions:
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- sh
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extractors:
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- type: regex
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name: fork-bomb
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regex:
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- ":(){:|:&};:"
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- type: regex
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name: rm command found
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regex:
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- "rm -(f|r)"
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- "rm -(fr|rf)"
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- type: regex
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name: code injection
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regex:
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- "/bin/(sh|bash) -"
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- "eval"
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- "echo -c"
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- "/bin/(sh|bash) -c"
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- "(sh|bash) -"
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- "(sh|bash) -c"
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- type: regex
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name: file manipulation
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regex:
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- "cat /dev/null >"
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- type: regex
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name: unknown filedownload
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regex:
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- '(wget|curl) (https?|ftp|file)://[-A-Za-z0-9\+&@#/%?=~_|!:,.;]*[-A-Za-z0-9\+&@#/%=~_|]\.[-A-Za-z0-9\+&@#/%?=~_|!:,.;]*[-A-Za-z0-9\+&@#/%=~_|]$'
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# digest: 4a0a00473045022100db6e5f84fe8da8728aa4f05dd83a5d033d062fe552a148d3cf2fd599277d1eaf022040d4296bef6df6b57b8381af30fc75730d9bf8103ce7d37bdcfbe91317fc5344:922c64590222798bb761d5b6d8e72950
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