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YARA · Avast / Gen Digital IOC

AVASTTI_Manjusaka_Framework_Go_Build_Id

No description has been set in the source file - AvastTI

MalwareManjusakaAvast / Gen Digital IOCDetection Rule License 1.1Compiles with YARA-X (with warnings)
Author
Gen Threat Labs
Date
2022-08-19
Modified
2026-03-11
Score / Quality
75 / 88

What this rule detects

No description has been set in the source file - AvastTI

Associated malware family: Manjusaka.

It defines 13 patterns (0 text, 13 hex, 0 regex).

YARA-X says: warning[text_as_hex]: hex pattern could be written as text literal

Summary generated from the rule's metadata and condition.

Rule source

manjusaka-framework-go-build-id.yarDetection Rule License 1.1
rule AVASTTI_Manjusaka_Framework_Go_Build_Id
{
	meta:
		description = "No description has been set in the source file - AvastTI"
		author = "Gen Threat Labs"
		id = "eca3324c-c029-53b5-b33d-9ec758dcd863"
		date = "2022-08-19"
		modified = "2026-03-11"
		reference = "https://github.com/gendigitalinc/ioc"
		source_url = "https://github.com/avast/ioc/blob/a450ddabed95984422909c75ac52b6841f685983/Manjusaka/Manjusaka.yar#L15-L62"
		license_url = "N/A"
		hash = "955e9bbcdf1cb230c5f079a08995f510a3b96224545e04c1b1f9889d57dd33c1"
		hash = "f275ca5129399a521c8cd9754b1133ecd2debcfafc928c01df6bd438522c564a"
		hash = "637f3080526d7d0ad5eb41bf9331fb51aaafd30f2895c00a44ad905154f76d70"
		hash = "b5c366d782426bad4ba880dc908669ff785420dea02067b12e2261dd1988f34a"
		hash = "107b094031094cbb1f081d85ec2799c3450dce32e254bda2fd1bb32edb449aa4"
		hash = "fb5835f42d5611804aaa044150a20b13dcf595d91314ebef8cf6810407d85c64"
		hash = "ff20333d38f7affbfde5b85d704ee20cd60b519cb57c70e0cf5ac1f65acf91a6"
		hash = "3581d99feb874f65f53866751b7874c106b5ce65a523972ef6a736844209043c"
		hash = "6082bf26bcc07bf299a88eaa0272022418b12156cd987adfdff9fa1517afcf3d"
		hash = "14dfb43a1782b0b8d93c3d67d63b6c786b0a223bc50c3ec68106bd18d43652a4"
		hash = "4a0f47132867c12a6d009e43812729a1bb41f4eb83472ac352fc5b20fe937bef"
		hash = "bb1b7d506559c783ed747da461f58ea5256ba0a083768ae6aa1a2325017c4387"
		hash = "bd0e09e9ee4db74ada6433f00024a543f799046c15f635216ca4ae5e1f0c42e2"
		logic_hash = "de68bc483255c9c1095771925a7c2fc3062489a4468d42e7c6aa9f0146841c5c"
		score = 75
		quality = 88
		tags = ""

	strings:
		$h01 = { 47 6F 00 00 57 79 5F 76 69 62 44 5A 76 32 77 6D 35 62 4C 32 71 73 6A 4A 2F 34 50 4D 56 79 4D 39 39 76 61 76 58 68 7A 65 5A 34 6C 76 2D 2F 4E 59 6C 5F 4B 6D 75 53 45 62 53 4E 4A 6B 39 45 61 52 74 31 2F 2D 45 4D 50 57 64 6A 73 30 4E 6C 37 73 79 67 41 41 74 65 54 00 }
		$h02 = { 47 6F 00 00 79 30 4D 57 35 6A 74 30 45 6B 61 77 55 4B 35 6B 6B 6C 31 32 2F 5A 68 34 34 36 61 65 4D 7A 62 48 47 37 4F 73 56 4F 66 71 75 2F 6D 5F 58 74 43 52 32 32 39 75 4B 67 5A 62 51 65 44 35 43 74 2F 66 78 66 47 4A 47 61 59 4E 31 5F 36 6E 4E 76 32 58 5A 53 62 00 }
		$h03 = { 47 6F 06 FF FF FF 7F 79 30 4D 57 35 6A 74 30 45 6B 61 77 55 4B 35 6B 6B 6C 31 32 2F 5A 68 34 34 36 61 65 4D 7A 62 FF FF FF FF 48 47 37 4F 73 56 4F 66 71 75 2F 6D 5F 58 74 43 52 32 32 39 75 4B 67 5A 62 51 65 44 35 43 74 2F }
		$h04 = { 47 6F 00 00 30 33 30 36 42 53 4B 42 71 6E 71 4B 74 4D 51 71 67 53 58 4D 2F 68 4C 6A 34 77 76 56 56 4A 4C 79 42 43 61 4A 42 5F 38 4D 30 2F 73 74 66 62 47 73 46 5A 58 67 4E 6B 50 77 5A 4B 4C 71 52 65 2F 4D 49 46 68 69 67 7A 65 50 53 65 56 35 64 5F 52 6D 66 43 35 00 }
		$h05 = { 47 6F 06 FF FF FF 7F 30 33 30 36 42 53 4B 42 71 6E 71 4B 74 4D 51 71 67 53 58 4D 2F 68 4C 6A 34 77 76 56 56 4A 4C FF FF FF FF 79 42 43 61 4A 42 5F 38 4D 30 2F 73 74 66 62 47 73 46 5A 58 67 4E 6B 50 77 5A 4B 4C 71 52 65 }
		$h06 = { 47 6F 00 00 36 35 34 67 69 6A 50 41 55 6B 45 61 7A 4A 70 6A 44 39 4E 55 2F 67 44 75 48 46 31 78 66 64 70 39 31 53 66 36 53 59 51 48 58 2F 76 73 6E 6E 37 65 6B 67 30 54 4B 58 57 69 4F 53 63 46 30 44 2F 53 61 6D 30 73 51 6D 66 79 43 61 44 43 38 71 43 66 59 78 35 00 }
		$h07 = { 47 6F 06 FF ED FF 7F 36 35 34 67 69 6A 50 41 55 6B 45 61 7A 4A 70 6A 44 39 68 2F 67 44 75 48 46 31 78 66 FF FF FF FF 64 70 39 31 53 66 36 53 59 51 48 58 2F 76 73 6E 6E 37 65 6B 67 30 54 4B 58 57 69 4F 53 63 46 30 }
		$h08 = { 47 6F 20 62 FF FF FF FF 75 69 6C 64 20 49 44 3A 20 22 65 72 52 47 4F 4A 56 48 65 38 37 58 67 6D 79 4F 56 77 48 44 2F 42 FB FF FF FF 70 78 56 76 70 79 44 58 74 4C 64 64 79 57 46 64 38 4E 39 2F 6F 59 77 64 70 73 6D 46 45 }
		$h09 = { 47 6F 20 62 75 69 6C 64 20 49 44 3A 20 22 65 72 52 47 4F 4A 56 48 65 38 37 58 67 6D 79 4F 56 77 48 44 2F 42 70 78 56 76 70 79 44 58 74 4C 64 64 79 57 46 64 38 4E 39 2F 6F 59 77 64 70 73 6D 46 45 44 58 39 32 58 4A 55 52 4C 55 7A 2F 62 62 58 59 38 43 76 6B 44 4D 72 69 42 33 32 64 49 36 53 58 }
		$h10 = { 47 6F 00 00 47 6E 42 4B 6F 63 4C 77 76 57 5A 6E 43 5F 55 6D 49 72 2D 72 2F 36 50 2D 4F 7A 46 62 51 37 39 6F 59 79 79 61 44 52 48 56 34 2F 38 74 6D 46 77 78 63 53 64 63 63 6D 70 66 73 5A 63 33 68 62 2F 77 34 2D 36 49 52 50 70 75 42 66 75 61 68 7A 50 63 4C 35 32 00 }
		$h11 = { 47 6F 06 FF FF FF FF 6E 42 4B 6F 63 4C 77 76 57 5A 6E 43 5F 55 6D 49 72 2D 72 2F 36 50 2D 4F 7A 46 62 51 37 39 6F FF FF 6F FF 59 79 79 61 44 52 48 56 DC 38 74 6D 46 77 78 63 53 64 63 63 6D 70 66 73 5A 63 33 68 62 }
		$h12 = { 47 6F 00 00 4E 50 57 41 64 50 62 57 6D 6E 58 72 30 61 36 67 44 37 4B 7A 2F 54 74 6E 59 64 4F 79 43 6A 76 63 43 51 75 5A 39 47 69 44 72 2F 46 43 6D 4F 69 38 41 30 36 36 52 50 43 36 53 4F 57 76 61 4D 2F 43 70 57 37 4F 30 73 38 61 51 32 42 46 56 64 66 65 62 54 4A 00 }
		$h13 = { 47 6F 06 FF FF FF 7F 4E 50 57 41 64 50 62 57 6D 6E 58 72 30 61 36 67 44 37 4B 7A 2F 54 74 6E 59 64 4F 79 43 6A 76 FF FF FF FF 63 43 51 75 5A 39 47 69 44 72 2F 46 43 6D 4F 69 38 41 30 36 36 52 50 43 36 53 4F 57 76 61 4D 2F }

	condition:
		any of them
}

Strings (13 patterns)

IdentifierTypeValueModifiers
$h01hex{ 47 6F 00 00 57 79 5F 76 69 62 44 5A 76 32 77 6D 35 62 4C 32 71 73 6A 4A 2F 34 50 4D 56 79 4D 39 39 76 61 76 58 68 7A 65 5A 34 6C 76 2D 2F 4E 59 6C 5F 4B 6D 75 …
$h02hex{ 47 6F 00 00 79 30 4D 57 35 6A 74 30 45 6B 61 77 55 4B 35 6B 6B 6C 31 32 2F 5A 68 34 34 36 61 65 4D 7A 62 48 47 37 4F 73 56 4F 66 71 75 2F 6D 5F 58 74 43 52 32 …
$h03hex{ 47 6F 06 FF FF FF 7F 79 30 4D 57 35 6A 74 30 45 6B 61 77 55 4B 35 6B 6B 6C 31 32 2F 5A 68 34 34 36 61 65 4D 7A 62 FF FF FF FF 48 47 37 4F 73 56 4F 66 71 75 2F …
$h04hex{ 47 6F 00 00 30 33 30 36 42 53 4B 42 71 6E 71 4B 74 4D 51 71 67 53 58 4D 2F 68 4C 6A 34 77 76 56 56 4A 4C 79 42 43 61 4A 42 5F 38 4D 30 2F 73 74 66 62 47 73 46 …
$h05hex{ 47 6F 06 FF FF FF 7F 30 33 30 36 42 53 4B 42 71 6E 71 4B 74 4D 51 71 67 53 58 4D 2F 68 4C 6A 34 77 76 56 56 4A 4C FF FF FF FF 79 42 43 61 4A 42 5F 38 4D 30 2F …
$h06hex{ 47 6F 00 00 36 35 34 67 69 6A 50 41 55 6B 45 61 7A 4A 70 6A 44 39 4E 55 2F 67 44 75 48 46 31 78 66 64 70 39 31 53 66 36 53 59 51 48 58 2F 76 73 6E 6E 37 65 6B …
$h07hex{ 47 6F 06 FF ED FF 7F 36 35 34 67 69 6A 50 41 55 6B 45 61 7A 4A 70 6A 44 39 68 2F 67 44 75 48 46 31 78 66 FF FF FF FF 64 70 39 31 53 66 36 53 59 51 48 58 2F 76 …
$h08hex{ 47 6F 20 62 FF FF FF FF 75 69 6C 64 20 49 44 3A 20 22 65 72 52 47 4F 4A 56 48 65 38 37 58 67 6D 79 4F 56 77 48 44 2F 42 FB FF FF FF 70 78 56 76 70 79 44 58 74 …
$h09hex{ 47 6F 20 62 75 69 6C 64 20 49 44 3A 20 22 65 72 52 47 4F 4A 56 48 65 38 37 58 67 6D 79 4F 56 77 48 44 2F 42 70 78 56 76 70 79 44 58 74 4C 64 64 79 57 46 64 38 …
$h10hex{ 47 6F 00 00 47 6E 42 4B 6F 63 4C 77 76 57 5A 6E 43 5F 55 6D 49 72 2D 72 2F 36 50 2D 4F 7A 46 62 51 37 39 6F 59 79 79 61 44 52 48 56 34 2F 38 74 6D 46 77 78 63 …
$h11hex{ 47 6F 06 FF FF FF FF 6E 42 4B 6F 63 4C 77 76 57 5A 6E 43 5F 55 6D 49 72 2D 72 2F 36 50 2D 4F 7A 46 62 51 37 39 6F FF FF 6F FF 59 79 79 61 44 52 48 56 DC 38 74 …
$h12hex{ 47 6F 00 00 4E 50 57 41 64 50 62 57 6D 6E 58 72 30 61 36 67 44 37 4B 7A 2F 54 74 6E 59 64 4F 79 43 6A 76 63 43 51 75 5A 39 47 69 44 72 2F 46 43 6D 4F 69 38 41 …
$h13hex{ 47 6F 06 FF FF FF 7F 4E 50 57 41 64 50 62 57 6D 6E 58 72 30 61 36 67 44 37 4B 7A 2F 54 74 6E 59 64 4F 79 43 6A 76 FF FF FF FF 63 43 51 75 5A 39 47 69 44 72 2F …

Condition

any of them

In plain words (Heuristic)

  • At least one pattern in the rule must match.

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Open in editor

References

Sample hashes

Hashes of samples the author lists in the rule's meta (look them up in your threat-intelligence platform).

  • 955e9bbcdf1cb230c5f079a08995f510a3b96224545e04c1b1f9889d57dd33c1
  • f275ca5129399a521c8cd9754b1133ecd2debcfafc928c01df6bd438522c564a
  • 637f3080526d7d0ad5eb41bf9331fb51aaafd30f2895c00a44ad905154f76d70
  • b5c366d782426bad4ba880dc908669ff785420dea02067b12e2261dd1988f34a
  • 107b094031094cbb1f081d85ec2799c3450dce32e254bda2fd1bb32edb449aa4
  • fb5835f42d5611804aaa044150a20b13dcf595d91314ebef8cf6810407d85c64
  • ff20333d38f7affbfde5b85d704ee20cd60b519cb57c70e0cf5ac1f65acf91a6
  • 3581d99feb874f65f53866751b7874c106b5ce65a523972ef6a736844209043c
  • 6082bf26bcc07bf299a88eaa0272022418b12156cd987adfdff9fa1517afcf3d
  • 14dfb43a1782b0b8d93c3d67d63b6c786b0a223bc50c3ec68106bd18d43652a4
  • 4a0f47132867c12a6d009e43812729a1bb41f4eb83472ac352fc5b20fe937bef
  • bb1b7d506559c783ed747da461f58ea5256ba0a083768ae6aa1a2325017c4387
  • bd0e09e9ee4db74ada6433f00024a543f799046c15f635216ca4ae5e1f0c42e2

Licence & attribution

Author: Gen Threat Labs

Source repository: Avast / Gen Digital IOC @ a450ddabed

Licence: Detection Rule License 1.1 (repository licence)

Original rule

Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.

Rule id: eca3324c-c029-53b5-b33d-9ec758dcd863

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