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MALPEDIA_Win_Mirage_Auto

autogenerated rule brought to you by yara-signator

MalwareMirageMalpedia 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: Mirage.

It defines 16 patterns (0 text, 16 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

win-mirage-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Mirage_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "813398a6-3711-515c-9ac9-8411b782d9bd"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.mirage"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.mirage_auto.yar#L1-L164"
		license_url = "N/A"
		logic_hash = "efb9857223c67ed9db4dc7057f43c79e6ea4a93ea767644ffaf1234715df36cf"
		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 = { 6801000080 ff15???????? 85c0 7556 }
		$sequence_1 = { 85c0 7541 0fb68799010000 50 }
		$sequence_2 = { 83f8ff 8945fc 0f84d0000000 be14410000 8d85d4beffff 56 }
		$sequence_3 = { 33ff 50 57 ff15???????? 85c0 0f84f4000000 8d85c0feffff }
		$sequence_4 = { 8b8534ffffff 5e c1e814 40 }
		$sequence_5 = { b8???????? e8???????? 81ec64030000 53 56 57 }
		$sequence_6 = { 50 ff35???????? e8???????? 83c424 8935???????? ff75fc }
		$sequence_7 = { 33c0 8d7dc9 80a41dc4f6ffff00 f3ab }
		$sequence_8 = { c745f804010000 ff75fc ff15???????? ff75fc }
		$sequence_9 = { 53 68???????? c745f804010000 ff75fc }
		$sequence_10 = { 53 68???????? 6801000080 894df0 c745fc04000000 881f 899948010000 }
		$sequence_11 = { 59 3bde 0f84dd000000 8d4701 }
		$sequence_12 = { 8d45f0 50 8bce e8???????? 8bf7 }
		$sequence_13 = { 8b4df0 8d0441 69c0f4010000 50 ff15???????? ff45f0 }
		$sequence_14 = { ffd3 6683a550faffff00 b981000000 33c0 8dbd52faffff f3ab 66ab }
		$sequence_15 = { 743e 8d8500ebffff 50 e8???????? }

	condition:
		7 of them and filesize < 1695744
}

Strings (16 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 6801000080 ff15???????? 85c0 7556 }
$sequence_1hex{ 85c0 7541 0fb68799010000 50 }
$sequence_2hex{ 83f8ff 8945fc 0f84d0000000 be14410000 8d85d4beffff 56 }
$sequence_3hex{ 33ff 50 57 ff15???????? 85c0 0f84f4000000 8d85c0feffff }
$sequence_4hex{ 8b8534ffffff 5e c1e814 40 }
$sequence_5hex{ b8???????? e8???????? 81ec64030000 53 56 57 }
$sequence_6hex{ 50 ff35???????? e8???????? 83c424 8935???????? ff75fc }
$sequence_7hex{ 33c0 8d7dc9 80a41dc4f6ffff00 f3ab }
$sequence_8hex{ c745f804010000 ff75fc ff15???????? ff75fc }
$sequence_9hex{ 53 68???????? c745f804010000 ff75fc }
$sequence_10hex{ 53 68???????? 6801000080 894df0 c745fc04000000 881f 899948010000 }
$sequence_11hex{ 59 3bde 0f84dd000000 8d4701 }
$sequence_12hex{ 8d45f0 50 8bce e8???????? 8bf7 }
$sequence_13hex{ 8b4df0 8d0441 69c0f4010000 50 ff15???????? ff45f0 }
$sequence_14hex{ ffd3 6683a550faffff00 b981000000 33c0 8dbd52faffff f3ab 66ab }
$sequence_15hex{ 743e 8d8500ebffff 50 e8???????? }

Condition

7 of them and filesize < 1695744

In plain words (Heuristic)

  • The file must be smaller than 1695744 (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: 813398a6-3711-515c-9ac9-8411b782d9bd

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