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MALPEDIA_Win_Miragefox_Auto

autogenerated rule brought to you by yara-signator

MalwareMiragefoxMalpedia 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: Miragefox.

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

Summary generated from the rule's metadata and condition.

Rule source

win-miragefox-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Miragefox_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "1d4fca18-a022-571e-aeb0-0676a97d36c9"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.miragefox"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.miragefox_auto.yar#L1-L120"
		license_url = "N/A"
		logic_hash = "1e2d5b7118076c52af1b2e7f473f69ed25f9fa3d1f16ab191228d3f93bc2fe63"
		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 = { c745f0555c2900 8965f4 896df8 64a100000000 8945d8 }
		$sequence_1 = { 8b45e0 8b4df4 53 50 8d440828 50 }
		$sequence_2 = { 03c1 eb17 8a8341f72a00 2410 }
		$sequence_3 = { ff75f4 8945ec ff36 50 e8???????? }
		$sequence_4 = { 8d700c 56 8975d8 e8???????? }
		$sequence_5 = { e8???????? 8b4508 83c40c 8985d4beffff 8bc6 6a02 53 }
		$sequence_6 = { 8b1c9d20f52a00 8d0cc9 f6448b0480 7429 }
		$sequence_7 = { 8365f000 ff75ec e8???????? 8365ec00 59 eb03 ff45f0 }
		$sequence_8 = { 83c01f 894d8c 99 59 8b75b8 f7f9 8b4df4 }
		$sequence_9 = { 5e 5b c9 c21088 55 8bec 83ec18 }

	condition:
		7 of them and filesize < 286720
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ c745f0555c2900 8965f4 896df8 64a100000000 8945d8 }
$sequence_1hex{ 8b45e0 8b4df4 53 50 8d440828 50 }
$sequence_2hex{ 03c1 eb17 8a8341f72a00 2410 }
$sequence_3hex{ ff75f4 8945ec ff36 50 e8???????? }
$sequence_4hex{ 8d700c 56 8975d8 e8???????? }
$sequence_5hex{ e8???????? 8b4508 83c40c 8985d4beffff 8bc6 6a02 53 }
$sequence_6hex{ 8b1c9d20f52a00 8d0cc9 f6448b0480 7429 }
$sequence_7hex{ 8365f000 ff75ec e8???????? 8365ec00 59 eb03 ff45f0 }
$sequence_8hex{ 83c01f 894d8c 99 59 8b75b8 f7f9 8b4df4 }
$sequence_9hex{ 5e 5b c9 c21088 55 8bec 83ec18 }

Condition

7 of them and filesize < 286720

In plain words (Heuristic)

  • The file must be smaller than 286720 (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: 1d4fca18-a022-571e-aeb0-0676a97d36c9

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