You are here probably because you was googling for yara file magic. You know, you cannot use another version of yara engine on compiled yara file - you will got errors like:
rules were compiled with a newer version of YARA.rules were compiled with a different version of YARA
So, here is the list of all major versions of YARA available. If you know about any version that is missing - let me know!
YARA v4.0.2
File: yara-v4.0.2-1347-win32.zip
Created: 2020-06-26T07:33:16Z
Link: https://github.com/VirusTotal/yara/releases/download/v4.0.2/yara-v4.0.2-1347-win32.zip
Magic space: 59:41:52:41:11:0c:96:00:00:00:00:00:00:00:0c:00
Magic colon: 59 41 52 41 11 0c 96 00 00 00 00 00 00 00 0c 00
Magic w/o sep: 59415241110c96000000000000000c00
Magic raw: b'YARA\x11\x0c\x96\x00\x00\x00\x00\x00\x00\x00\x0c\x00'
As B64: WUFSQREMlgAAAAAAAAAMAA==
Version magic is the first byte after the header
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YARA v4.0.1
File: yara-v4.0.1-1323-win32.zip
Created: 2020-05-15T08:58:54Z
Link: https://github.com/VirusTotal/yara/releases/download/v4.0.1/yara-v4.0.1-1323-win32.zip
Magic space: 59:41:52:41:11:0c:96:00:00:00:00:00:00:00:0c:00
Magic colon: 59 41 52 41 11 0c 96 00 00 00 00 00 00 00 0c 00
Magic w/o sep: 59415241110c96000000000000000c00
Magic raw: b'YARA\x11\x0c\x96\x00\x00\x00\x00\x00\x00\x00\x0c\x00'
As B64: WUFSQREMlgAAAAAAAAAMAA==
Version magic is the first byte after the header
--------------------------------------------------------------------------------
YARA v4.0.0
File: yara-v4.0.0-1305-win32.zip
Created: 2020-04-28T11:00:48Z
Link: https://github.com/VirusTotal/yara/releases/download/v4.0.0/yara-v4.0.0-1305-win32.zip
Magic space: 59:41:52:41:11:0c:96:00:00:00:00:00:00:00:0c:00
Magic colon: 59 41 52 41 11 0c 96 00 00 00 00 00 00 00 0c 00
Magic w/o sep: 59415241110c96000000000000000c00
Magic raw: b'YARA\x11\x0c\x96\x00\x00\x00\x00\x00\x00\x00\x0c\x00'
As B64: WUFSQREMlgAAAAAAAAAMAA==
Version magic is the first byte after the header
--------------------------------------------------------------------------------
YARA v3.11.0
File: yara-v3.11.0-994-win32.zip
Created: 2019-10-10T11:11:56Z
Link: https://github.com/VirusTotal/yara/releases/download/v3.11.0/yara-v3.11.0-994-win32.zip
Magic space: 59:41:52:41:a0:34:00:00:20:00:16:00:60:00:00:00
Magic colon: 59 41 52 41 a0 34 00 00 20 00 16 00 60 00 00 00
Magic w/o sep: 59415241a03400002000160060000000
Magic raw: b'YARA\xa04\x00\x00 \x00\x16\x00`\x00\x00\x00'
As B64: WUFSQaA0AAAgABYAYAAAAA==
Version magic is the second DWORD after the header
--------------------------------------------------------------------------------
YARA v3.10.0
File: yara-v3.10.0-904-win32.zip
Created: 2019-05-02T10:24:30Z
Link: https://github.com/VirusTotal/yara/releases/download/v3.10.0/yara-v3.10.0-904-win32.zip
Magic space: 59:41:52:41:a0:34:00:00:20:00:16:00:60:00:00:00
Magic colon: 59 41 52 41 a0 34 00 00 20 00 16 00 60 00 00 00
Magic w/o sep: 59415241a03400002000160060000000
Magic raw: b'YARA\xa04\x00\x00 \x00\x16\x00`\x00\x00\x00'
As B64: WUFSQaA0AAAgABYAYAAAAA==
Version magic is the second DWORD after the header
--------------------------------------------------------------------------------
YARA v3.9.0
File: yara-v3.9.0-win32.zip
Created: 2019-02-22T16:37:14Z
Link: https://github.com/VirusTotal/yara/releases/download/v3.9.0/yara-v3.9.0-win32.zip
Magic space: 59:41:52:41:a0:34:00:00:20:00:15:00:60:00:00:00
Magic colon: 59 41 52 41 a0 34 00 00 20 00 15 00 60 00 00 00
Magic w/o sep: 59415241a03400002000150060000000
Magic raw: b'YARA\xa04\x00\x00 \x00\x15\x00`\x00\x00\x00'
As B64: WUFSQaA0AAAgABUAYAAAAA==
Version magic is the second DWORD after the header
--------------------------------------------------------------------------------
YARA v3.8.1
File: yara-v3.8.1-win32.zip
Created: 2018-08-16T13:23:56Z
Link: https://github.com/VirusTotal/yara/releases/download/v3.8.1/yara-v3.8.1-win32.zip
Magic space: 59:41:52:41:90:32:00:00:20:00:13:00:60:00:00:00
Magic colon: 59 41 52 41 90 32 00 00 20 00 13 00 60 00 00 00
Magic w/o sep: 59415241903200002000130060000000
Magic raw: b'YARA\x902\x00\x00 \x00\x13\x00`\x00\x00\x00'
As B64: WUFSQZAyAAAgABMAYAAAAA==
Version magic is the second DWORD after the header
--------------------------------------------------------------------------------
YARA v3.8.0
File: yara-v3.8.0-win32.zip
Created: 2018-08-06T13:51:27Z
Link: https://github.com/VirusTotal/yara/releases/download/v3.8.0/yara-v3.8.0-win32.zip
Magic space: 59:41:52:41:90:32:00:00:20:00:13:00:60:00:00:00
Magic colon: 59 41 52 41 90 32 00 00 20 00 13 00 60 00 00 00
Magic w/o sep: 59415241903200002000130060000000
Magic raw: b'YARA\x902\x00\x00 \x00\x13\x00`\x00\x00\x00'
As B64: WUFSQZAyAAAgABMAYAAAAA==
Version magic is the second DWORD after the header
--------------------------------------------------------------------------------
YARA v3.7.1
File: yara-v3.7.1-win32.zip
Created: 2018-01-16T10:31:42Z
Link: https://github.com/VirusTotal/yara/releases/download/v3.7.1/yara-v3.7.1-win32.zip
Magic space: 59:41:52:41:90:42:00:00:20:00:10:00:60:00:00:00
Magic colon: 59 41 52 41 90 42 00 00 20 00 10 00 60 00 00 00
Magic w/o sep: 59415241904200002000100060000000
Magic raw: b'YARA\x90B\x00\x00 \x00\x10\x00`\x00\x00\x00'
As B64: WUFSQZBCAAAgABAAYAAAAA==
Version magic is the second DWORD after the header
--------------------------------------------------------------------------------
YARA v3.7.0
File: yara-v3.7.0-win32.zip
Created: 2017-11-10T12:31:06Z
Link: https://github.com/VirusTotal/yara/releases/download/v3.7.0/yara-v3.7.0-win32.zip
Magic space: 59:41:52:41:90:42:00:00:20:00:10:00:60:00:00:00
Magic colon: 59 41 52 41 90 42 00 00 20 00 10 00 60 00 00 00
Magic w/o sep: 59415241904200002000100060000000
Magic raw: b'YARA\x90B\x00\x00 \x00\x10\x00`\x00\x00\x00'
As B64: WUFSQZBCAAAgABAAYAAAAA==
Version magic is the second DWORD after the header
--------------------------------------------------------------------------------
YARA v3.6.3
File: yara-v3.6.3-win32.zip
Created: 2017-07-05T14:36:33Z
Link: https://github.com/VirusTotal/yara/releases/download/v3.6.3/yara-v3.6.3-win32.zip
Magic space: 59:41:52:41:70:42:00:00:20:00:0d:00:50:00:00:00
Magic colon: 59 41 52 41 70 42 00 00 20 00 0d 00 50 00 00 00
Magic w/o sep: 594152417042000020000d0050000000
Magic raw: b'YARApB\x00\x00 \x00\r\x00P\x00\x00\x00'
As B64: WUFSQXBCAAAgAA0AUAAAAA==
Version magic is the second DWORD after the header
--------------------------------------------------------------------------------
YARA v3.6.2
File: yara-v3.6.2-win32.zip
Created: 2017-06-28T20:48:11Z
Link: https://github.com/VirusTotal/yara/releases/download/v3.6.2/yara-v3.6.2-win32.zip
Magic space: 59:41:52:41:70:42:00:00:20:00:0d:00:50:00:00:00
Magic colon: 59 41 52 41 70 42 00 00 20 00 0d 00 50 00 00 00
Magic w/o sep: 594152417042000020000d0050000000
Magic raw: b'YARApB\x00\x00 \x00\r\x00P\x00\x00\x00'
As B64: WUFSQXBCAAAgAA0AUAAAAA==
Version magic is the second DWORD after the header
--------------------------------------------------------------------------------
YARA v3.6.1
File: yara-v3.6.1-win32.zip
Created: 2017-06-05T17:38:03Z
Link: https://github.com/VirusTotal/yara/releases/download/v3.6.1/yara-v3.6.1-win32.zip
Magic space: 59:41:52:41:70:42:00:00:20:00:0d:00:50:00:00:00
Magic colon: 59 41 52 41 70 42 00 00 20 00 0d 00 50 00 00 00
Magic w/o sep: 594152417042000020000d0050000000
Magic raw: b'YARApB\x00\x00 \x00\r\x00P\x00\x00\x00'
As B64: WUFSQXBCAAAgAA0AUAAAAA==
Version magic is the second DWORD after the header
--------------------------------------------------------------------------------
YARA v3.6.0
File: yara-v3.6.0-win32.zip
Created: 2017-05-22T11:57:40Z
Link: https://github.com/VirusTotal/yara/releases/download/v3.6.0/yara-v3.6.0-win32.zip
Magic space: 59:41:52:41:70:42:00:00:20:00:0d:00:50:00:00:00
Magic colon: 59 41 52 41 70 42 00 00 20 00 0d 00 50 00 00 00
Magic w/o sep: 594152417042000020000d0050000000
Magic raw: b'YARApB\x00\x00 \x00\r\x00P\x00\x00\x00'
As B64: WUFSQXBCAAAgAA0AUAAAAA==
Version magic is the second DWORD after the header
--------------------------------------------------------------------------------
YARA v3.5.0
File: yara-v3.5.0-win32.zip
Created: 2016-09-06T20:10:34Z
Link: https://github.com/VirusTotal/yara/releases/download/v3.5.0/yara-v3.5.0-win32.zip
Magic space: 59:41:52:41:70:42:00:00:0b:00:00:00:00:00:00:00
Magic colon: 59 41 52 41 70 42 00 00 0b 00 00 00 00 00 00 00
Magic w/o sep: 59415241704200000b00000000000000
Magic raw: b'YARApB\x00\x00\x0b\x00\x00\x00\x00\x00\x00\x00'
As B64: WUFSQXBCAAALAAAAAAAAAA==
Version magic is the second DWORD after the header
--------------------------------------------------------------------------------
YARA v3.4.0
File: yara-v3.4.0-win32.zip
Created: 2015-06-18T13:57:55Z
Link: https://github.com/VirusTotal/yara/releases/download/v3.4.0/yara-v3.4.0-win32.zip
Magic space: 59:41:52:41:5b:0a:00:00:08:00:00:00:00:59:08:00
Magic colon: 59 41 52 41 5b 0a 00 00 08 00 00 00 00 59 08 00
Magic w/o sep: 594152415b0a00000800000000590800
Magic raw: b'YARA[\n\x00\x00\x08\x00\x00\x00\x00Y\x08\x00'
As B64: WUFSQVsKAAAIAAAAAFkIAA==
Version magic is the second DWORD after the header
--------------------------------------------------------------------------------
YARA v3.3.0
File: yara-v3.3.0-win32.zip
Created: 2015-02-10T12:45:17Z
Link: https://github.com/VirusTotal/yara/releases/download/v3.3.0/yara-v3.3.0-win32.zip
Magic space: 59:41:52:41:52:0a:00:00:06:00:00:00:00:50:08:00
Magic colon: 59 41 52 41 52 0a 00 00 06 00 00 00 00 50 08 00
Magic w/o sep: 59415241520a00000600000000500800
Magic raw: b'YARAR\n\x00\x00\x06\x00\x00\x00\x00P\x08\x00'
As B64: WUFSQVIKAAAGAAAAAFAIAA==
Version magic is the second DWORD after the header
--------------------------------------------------------------------------------
YARA v3.2.0
File: yara-v3.2.0-win32.zip
Created: 2014-11-10T15:23:07Z
Link: https://github.com/VirusTotal/yara/releases/download/v3.2.0/yara-v3.2.0-win32.zip
Magic space: 59:41:52:41:5a:0a:00:00:04:00:00:00:00:50:08:00
Magic colon: 59 41 52 41 5a 0a 00 00 04 00 00 00 00 50 08 00
Magic w/o sep: 594152415a0a00000400000000500800
Magic raw: b'YARAZ\n\x00\x00\x04\x00\x00\x00\x00P\x08\x00'
As B64: WUFSQVoKAAAEAAAAAFAIAA==
Version magic is the second DWORD after the header
--------------------------------------------------------------------------------
YARA v2.0.0
File: yara-v2.0.0-win32.zip
Created: 2013-12-26T14:01:02Z
Link: https://github.com/VirusTotal/yara/releases/download/v2.0.0/yara-v2.0.0-win32.zip
Magic space: 59:41:52:41:00:38:00:00:01:1c:08:00:00:00:00:00
Magic colon: 59 41 52 41 00 38 00 00 01 1c 08 00 00 00 00 00
Magic w/o sep: 5941524100380000011c080000000000
Magic raw: b'YARA\x008\x00\x00\x01\x1c\x08\x00\x00\x00\x00\x00'
As B64: WUFSQQA4AAABHAgAAAAAAA==
Version magic is the second DWORD after the header
--------------------------------------------------------------------------------
YARA v3.1.0
File: yara-v3.1.0-win32.zip
Created: 2014-08-26T11:06:52Z
Link: https://github.com/VirusTotal/yara/releases/download/v3.1.0/yara-v3.1.0-win32.zip
Magic space: 59:41:52:41:5a:0a:00:00:03:00:00:00:00:50:08:00
Magic colon: 59 41 52 41 5a 0a 00 00 03 00 00 00 00 50 08 00
Magic w/o sep: 594152415a0a00000300000000500800
Magic raw: b'YARAZ\n\x00\x00\x03\x00\x00\x00\x00P\x08\x00'
As B64: WUFSQVoKAAADAAAAAFAIAA==
Version magic is the second DWORD after the header
--------------------------------------------------------------------------------
YARA v3.0.0
File: yara-v3.0.0-win32.zip
Created: 2014-08-13T13:23:50Z
Link: https://github.com/VirusTotal/yara/releases/download/v3.0.0/yara-v3.0.0-win32.zip
Magic space: 59:41:52:41:5a:0a:00:00:03:00:00:00:00:50:08:00
Magic colon: 59 41 52 41 5a 0a 00 00 03 00 00 00 00 50 08 00
Magic w/o sep: 594152415a0a00000300000000500800
Magic raw: b'YARAZ\n\x00\x00\x03\x00\x00\x00\x00P\x08\x00'
As B64: WUFSQVoKAAADAAAAAFAIAA==
Version magic is the second DWORD after the header
--------------------------------------------------------------------------------
YARA v2.1.0
File: yara-v2.1.0-win32.zip
Created: 2014-03-05T11:15:10Z
Link: https://github.com/VirusTotal/yara/releases/download/v2.1.0/yara-v2.1.0-win32.zip
Magic space: 59:41:52:41:00:38:00:00:03:00:00:00:00:50:08:00
Magic colon: 59 41 52 41 00 38 00 00 03 00 00 00 00 50 08 00
Magic w/o sep: 59415241003800000300000000500800
Magic raw: b'YARA\x008\x00\x00\x03\x00\x00\x00\x00P\x08\x00'
As B64: WUFSQQA4AAADAAAAAFAIAA==
Version magic is the second DWORD after the header
--------------------------------------------------------------------------------
Rakovsky Stanislav