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MALPEDIA_Win_Hyperssl_Auto

autogenerated rule brought to you by yara-signator

MalwareHypersslMalpedia 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 / 73

What this rule detects

autogenerated rule brought to you by yara-signator

Associated malware family: Hyperssl.

It defines 24 patterns (0 text, 24 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

win-hyperssl-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Hyperssl_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "89a2e6ca-4517-566a-b48d-d52b67e127cd"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.hyperssl"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.hyperssl_auto.yar#L1-L214"
		license_url = "N/A"
		logic_hash = "8eb5d428e7f3b76db37c3914f9ea00f56356dfef911c10922708e50871fa1caf"
		score = 75
		quality = 73
		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 = { 2bc8 2bf0 5f 8a10 }
		$sequence_1 = { c20c00 6a08 68???????? e8???????? 8b450c 83f801 757a }
		$sequence_2 = { 0105???????? 8d8d5cffffff 89855cffffff 898560ffffff }
		$sequence_3 = { 03c1 742a 8b4028 03c1 }
		$sequence_4 = { 03c1 7423 56 57 b9???????? }
		$sequence_5 = { 4f 75f2 5f 5e e9???????? }
		$sequence_6 = { 8a10 301406 40 4f }
		$sequence_7 = { 0108 3908 1bc9 f7d9 }
		$sequence_8 = { 5f 8a10 301401 8a10 }
		$sequence_9 = { 0108 894810 8b4830 3308 }
		$sequence_10 = { 0105???????? 8d558c 89458c 894590 }
		$sequence_11 = { 33c9 46 2bc3 8944240c 8b5c241c 8d440c2c 0fb61c03 }
		$sequence_12 = { 0101 014514 2bf3 8b5d0c c7472400000000 }
		$sequence_13 = { 0108 8b4830 3308 56 }
		$sequence_14 = { 0108 3310 c1c607 c1c210 }
		$sequence_15 = { ff15???????? 8bc8 85c9 7436 8b413c 03c1 }
		$sequence_16 = { 017e08 50 e8???????? ff0d???????? }
		$sequence_17 = { 017e0c 5f 8bc6 5e c20800 }
		$sequence_18 = { 017e08 8bc3 e8???????? c20400 }
		$sequence_19 = { 016b08 897b04 5f 5e }
		$sequence_20 = { 017e0c 8d4d08 e8???????? 5f }
		$sequence_21 = { 017e0c 395e10 740f ff7610 }
		$sequence_22 = { 01442428 8b442428 884500 45 }
		$sequence_23 = { 011d???????? 5f 8935???????? 5e }

	condition:
		7 of them and filesize < 835584
}

Strings (24 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 2bc8 2bf0 5f 8a10 }
$sequence_1hex{ c20c00 6a08 68???????? e8???????? 8b450c 83f801 757a }
$sequence_2hex{ 0105???????? 8d8d5cffffff 89855cffffff 898560ffffff }
$sequence_3hex{ 03c1 742a 8b4028 03c1 }
$sequence_4hex{ 03c1 7423 56 57 b9???????? }
$sequence_5hex{ 4f 75f2 5f 5e e9???????? }
$sequence_6hex{ 8a10 301406 40 4f }
$sequence_7hex{ 0108 3908 1bc9 f7d9 }
$sequence_8hex{ 5f 8a10 301401 8a10 }
$sequence_9hex{ 0108 894810 8b4830 3308 }
$sequence_10hex{ 0105???????? 8d558c 89458c 894590 }
$sequence_11hex{ 33c9 46 2bc3 8944240c 8b5c241c 8d440c2c 0fb61c03 }
$sequence_12hex{ 0101 014514 2bf3 8b5d0c c7472400000000 }
$sequence_13hex{ 0108 8b4830 3308 56 }
$sequence_14hex{ 0108 3310 c1c607 c1c210 }
$sequence_15hex{ ff15???????? 8bc8 85c9 7436 8b413c 03c1 }
$sequence_16hex{ 017e08 50 e8???????? ff0d???????? }
$sequence_17hex{ 017e0c 5f 8bc6 5e c20800 }
$sequence_18hex{ 017e08 8bc3 e8???????? c20400 }
$sequence_19hex{ 016b08 897b04 5f 5e }
$sequence_20hex{ 017e0c 8d4d08 e8???????? 5f }
$sequence_21hex{ 017e0c 395e10 740f ff7610 }
$sequence_22hex{ 01442428 8b442428 884500 45 }
$sequence_23hex{ 011d???????? 5f 8935???????? 5e }

Condition

7 of them and filesize < 835584

In plain words (Heuristic)

  • The file must be smaller than 835584 (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: 89a2e6ca-4517-566a-b48d-d52b67e127cd

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