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MALPEDIA_Win_Rising_Sun_Auto

autogenerated rule brought to you by yara-signator

MalwareRising SunMalpedia signator rulesCreative Commons Attribution-ShareAlike 4.0Compiles with YARA-X
Author
Felix Bilstein - yara-signator at cocacoding dot com
Date
2026-05-04
Modified
2026-05-18
Score / Quality
75 / 75

What this rule detects

autogenerated rule brought to you by yara-signator

Associated malware family: Rising Sun.

It defines 10 patterns (0 text, 10 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

win-rising-sun-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Rising_Sun_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "a90816d7-758f-5ed8-a6f9-60343fe66c0f"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.rising_sun"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.rising_sun_auto.yar#L1-L129"
		license_url = "N/A"
		logic_hash = "a2f16cb1444b180d9568dbc640c2c22efcb7c8188d91dae3c13d77a956bc608b"
		score = 75
		quality = 75
		tags = "FILE"
		version = "1"
		tool = "yara-signator v0.6.0"
		signator_config = "callsandjumps;datarefs;binvalue"
		malpedia_rule_date = "20260422"
		malpedia_hash = "a182e35da64e6d71cb55f125c4d4225196523f14"
		malpedia_version = "20260504"
		malpedia_license = "CC BY-SA 4.0"
		malpedia_sharing = "TLP:WHITE"

	strings:
		$sequence_0 = { 4c8dbdc0000000 be02000000 448be0 48897c2450 666666666666660f1f840000000000 418bd4 8bce }
		$sequence_1 = { c78514020000c80ae51e c7851802000004d34ed7 c7851c0200003e3054ad c7852002000046c2e664 c7852402000018a189fe }
		$sequence_2 = { e9???????? 488d052b740100 4a8b0ce0 41f6440f0880 0f84fe020000 33db }
		$sequence_3 = { 4881ec18030000 48895808 48897010 48897818 4c8968e8 0f2970d8 }
		$sequence_4 = { 0f847affffff 488d54246d 488bc8 ff15???????? 488905???????? 4885c0 0f845cffffff }
		$sequence_5 = { 4883ec20 488bd9 e8???????? 4c8d1d3f830000 4c891b 488bc3 4883c420 }
		$sequence_6 = { 6644897d04 c745e631000000 ff15???????? 488d9530220000 b900040000 ff15???????? 4c8d8d100c0000 }
		$sequence_7 = { 85c0 7908 83c8ff e9???????? 488b4710 4863f6 483bf0 }
		$sequence_8 = { ffe1 48ffc3 ebc5 410fb74500 493944f408 0f85c0010000 }
		$sequence_9 = { c744247ca6aea79f c74580c8c8c8c8 c74584a9acbea9 c74588b881fbfa c7458ce6ac8484 c74590c887b8ad c74594a698baa7 }

	condition:
		7 of them and filesize < 409600
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 4c8dbdc0000000 be02000000 448be0 48897c2450 666666666666660f1f840000000000 418bd4 8bce }
$sequence_1hex{ c78514020000c80ae51e c7851802000004d34ed7 c7851c0200003e3054ad c7852002000046c2e664 c7852402000018a189fe }
$sequence_2hex{ e9???????? 488d052b740100 4a8b0ce0 41f6440f0880 0f84fe020000 33db }
$sequence_3hex{ 4881ec18030000 48895808 48897010 48897818 4c8968e8 0f2970d8 }
$sequence_4hex{ 0f847affffff 488d54246d 488bc8 ff15???????? 488905???????? 4885c0 0f845cffffff }
$sequence_5hex{ 4883ec20 488bd9 e8???????? 4c8d1d3f830000 4c891b 488bc3 4883c420 }
$sequence_6hex{ 6644897d04 c745e631000000 ff15???????? 488d9530220000 b900040000 ff15???????? 4c8d8d100c0000 }
$sequence_7hex{ 85c0 7908 83c8ff e9???????? 488b4710 4863f6 483bf0 }
$sequence_8hex{ ffe1 48ffc3 ebc5 410fb74500 493944f408 0f85c0010000 }
$sequence_9hex{ c744247ca6aea79f c74580c8c8c8c8 c74584a9acbea9 c74588b881fbfa c7458ce6ac8484 c74590c887b8ad c74594a698baa7 }

Condition

7 of them and filesize < 409600

In plain words (Heuristic)

  • The file must be smaller than 409600 (a cheap guard that skips large files).
  • At least 7 patterns in the rule must match.

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References

Licence & attribution

Author: Felix Bilstein - yara-signator at cocacoding dot com

Source repository: Malpedia signator rules @ c901f97b7d

Licence: Creative Commons Attribution-ShareAlike 4.0 (repository licence)

Original rule

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

Rule id: a90816d7-758f-5ed8-a6f9-60343fe66c0f

Metadata

version1
toolyara-signator v0.6.0
signator_configcallsandjumps;datarefs;binvalue
malpedia_rule_date20260422
malpedia_hasha182e35da64e6d71cb55f125c4d4225196523f14
malpedia_version20260504
malpedia_licenseCC BY-SA 4.0
malpedia_sharingTLP:WHITE

Tags:FILE