50 lines
1.5 KiB
SQL
50 lines
1.5 KiB
SQL
-- Indicative of stored RSA keys just sitting around unencrypted
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--
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-- tags: persistent state filesystem seldom
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-- platform: posix
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SELECT
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file.path,
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file.type,
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file.size,
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file.mtime,
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file.uid,
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file.ctime,
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file.gid,
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hash.sha256,
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magic.data
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FROM
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file
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LEFT JOIN hash ON file.path = hash.path
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LEFT JOIN users u ON file.uid = u.uid
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LEFT JOIN magic ON file.path = magic.path
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WHERE
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(
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file.directory LIKE '/Users/%/Downloads/%'
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OR file.directory LIKE '/home/%/%'
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OR file.directory LIKE '/home/%/'
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OR file.directory LIKE '/home/%/.%'
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OR file.directory LIKE '/home/%/Downloads/%'
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OR file.directory LIKE '/tmp/%'
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OR file.directory LIKE '/tmp/'
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OR file.directory LIKE '/Users/%/%'
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OR file.directory LIKE '/Users/%/'
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OR file.directory LIKE '/Users/%/.%'
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OR file.directory LIKE '/var/tmp/%'
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OR file.directory LIKE '/var/tmp/'
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)
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AND file.directory NOT LIKE "%/../%"
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AND file.directory NOT LIKE "%/./%"
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AND filename LIKE "%.rsa"
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AND size BETWEEN 128 AND 8192
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-- Don't alert on tokens that begin with the username-, as they may be personal
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AND NOT INSTR(filename, CONCAT (u.username, "-")) == 1
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-- Don't alert on tokens that begin with the users full name and a dash
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AND NOT INSTR(
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filename,
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REPLACE(LOWER(TRIM(description)), " ", "-")
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) == 1
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-- Common filenames that are non-controversial
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AND NOT INSTR(file.filename, 'melange.rsa') > 0
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-- Demo keys
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AND NOT sha256 IN ('a68b29401730a9c5f3e06099f6703a43797ee5c6ad6c741961c6eb8ab39786de')
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