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MALPEDIA_Win_Parallax_Auto

autogenerated rule brought to you by yara-signator

MalwareParallaxMalpedia 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: Parallax.

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

Summary generated from the rule's metadata and condition.

Rule source

win-parallax-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Parallax_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "98cac655-227e-5acb-baab-c2e2746f0c8f"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.parallax"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.parallax_auto.yar#L1-L126"
		license_url = "N/A"
		logic_hash = "5e5e2c88f7bd752b4c96e4bbaa3ddc408c042d60dccf4f7d601aec2a77df50fe"
		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 = { e8???????? 83f801 751c 8b15???????? 6a00 ff75f4 6815800000 }
		$sequence_1 = { 8b0d???????? ff9180000000 6800200000 6a00 6a00 }
		$sequence_2 = { 75f7 668b01 668902 83c102 83c202 }
		$sequence_3 = { 8b7d08 8b0d???????? ff9180000000 894720 ff75f4 ff75f0 e8???????? }
		$sequence_4 = { 7523 8b7508 8b15???????? 6a00 ff7508 681a800000 }
		$sequence_5 = { 85c0 7418 8bf8 8b35???????? b8ffffffff f0874704 50 }
		$sequence_6 = { 5d c21000 55 8bec 8b5508 33c0 bb01000000 }
		$sequence_7 = { 6a00 ff35???????? ff5760 83be8800000000 7411 ffb688000000 }
		$sequence_8 = { ffb7c4000000 ff9288000000 83f8ff 0f8483000000 8987f8000000 8945fc }
		$sequence_9 = { b8ffffffff 8be5 5d c21800 ff7508 e8???????? }

	condition:
		7 of them and filesize < 352256
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ e8???????? 83f801 751c 8b15???????? 6a00 ff75f4 6815800000 }
$sequence_1hex{ 8b0d???????? ff9180000000 6800200000 6a00 6a00 }
$sequence_2hex{ 75f7 668b01 668902 83c102 83c202 }
$sequence_3hex{ 8b7d08 8b0d???????? ff9180000000 894720 ff75f4 ff75f0 e8???????? }
$sequence_4hex{ 7523 8b7508 8b15???????? 6a00 ff7508 681a800000 }
$sequence_5hex{ 85c0 7418 8bf8 8b35???????? b8ffffffff f0874704 50 }
$sequence_6hex{ 5d c21000 55 8bec 8b5508 33c0 bb01000000 }
$sequence_7hex{ 6a00 ff35???????? ff5760 83be8800000000 7411 ffb688000000 }
$sequence_8hex{ ffb7c4000000 ff9288000000 83f8ff 0f8483000000 8987f8000000 8945fc }
$sequence_9hex{ b8ffffffff 8be5 5d c21800 ff7508 e8???????? }

Condition

7 of them and filesize < 352256

In plain words (Heuristic)

  • The file must be smaller than 352256 (a cheap guard that skips large files).
  • At least 7 patterns in the rule must match.

Test this rule in your browser

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Drop a file here or click to chooseScanned locally with YARA-X. Files up to 200 MB.

Open in editor

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: 98cac655-227e-5acb-baab-c2e2746f0c8f

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

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