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MALPEDIA_Win_Photolite_Auto

autogenerated rule brought to you by yara-signator

MalwarePhotoliteMalpedia 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: Photolite.

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

Summary generated from the rule's metadata and condition.

Rule source

win-photolite-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Photolite_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "1ba04423-e2a7-59f5-bf4b-bddf2b4f0ee9"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.photolite"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.photolite_auto.yar#L1-L167"
		license_url = "N/A"
		logic_hash = "6e3355c516dff3c27b42e85c3718986fbcdf8685ba3259a09dd178f4f9b56429"
		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 = { c785d80300009afbb270 c785dc030000d1f3ed2e 8995e0030000 8b85d4030000 }
		$sequence_1 = { 8b8554010000 8a8550010000 84c0 751e 488bcb 8b848d54010000 }
		$sequence_2 = { 889de0020000 c785e4020000b434516d c785e8020000813e467c c785ec02000097355758 c785f00200008022253d }
		$sequence_3 = { 4156 4157 4883ec20 448b7902 }
		$sequence_4 = { 889d18020000 c7851c0200005488472c c785200200007a8e583b c785240200007c985d0c c7852802000025d93378 8b851c020000 8a8518020000 }
		$sequence_5 = { c1c203 4c3bc3 72ee 443bca }
		$sequence_6 = { eb07 498d5602 4803d1 498bcc ffd0 }
		$sequence_7 = { baff204924 889dec000000 c785f0000000b7452854 c785f4000000b9522c41 8995f8000000 8b85f0000000 8a85ec000000 }
		$sequence_8 = { 8d5101 41b82c819712 e8???????? 488bc8 eb2b 488b8928060000 4885c9 }
		$sequence_9 = { 885c2420 c744242493f7332b c7442428d5b6783d c744242c8ae85659 }
		$sequence_10 = { 4d8b06 488bd0 488bcd e8???????? }
		$sequence_11 = { 41ffd2 4889442428 488bd8 4885c0 0f8407010000 }
		$sequence_12 = { 75ed 8bce e8???????? 488905???????? 885c2430 c74424347d6b1d60 }
		$sequence_13 = { eb2e 4d8b8028010000 4d85c0 7522 418d5001 33c9 }
		$sequence_14 = { 48894598 eb04 48897d98 488d85c0000000 }
		$sequence_15 = { 41b800800000 ffd0 488d9500040000 4489bd00040000 488d0d86abffff e8???????? 4439bd00040000 }

	condition:
		7 of them and filesize < 99328
}

Strings (16 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ c785d80300009afbb270 c785dc030000d1f3ed2e 8995e0030000 8b85d4030000 }
$sequence_1hex{ 8b8554010000 8a8550010000 84c0 751e 488bcb 8b848d54010000 }
$sequence_2hex{ 889de0020000 c785e4020000b434516d c785e8020000813e467c c785ec02000097355758 c785f00200008022253d }
$sequence_3hex{ 4156 4157 4883ec20 448b7902 }
$sequence_4hex{ 889d18020000 c7851c0200005488472c c785200200007a8e583b c785240200007c985d0c c7852802000025d93378 8b851c020000 8a8518020000 }
$sequence_5hex{ c1c203 4c3bc3 72ee 443bca }
$sequence_6hex{ eb07 498d5602 4803d1 498bcc ffd0 }
$sequence_7hex{ baff204924 889dec000000 c785f0000000b7452854 c785f4000000b9522c41 8995f8000000 8b85f0000000 8a85ec000000 }
$sequence_8hex{ 8d5101 41b82c819712 e8???????? 488bc8 eb2b 488b8928060000 4885c9 }
$sequence_9hex{ 885c2420 c744242493f7332b c7442428d5b6783d c744242c8ae85659 }
$sequence_10hex{ 4d8b06 488bd0 488bcd e8???????? }
$sequence_11hex{ 41ffd2 4889442428 488bd8 4885c0 0f8407010000 }
$sequence_12hex{ 75ed 8bce e8???????? 488905???????? 885c2430 c74424347d6b1d60 }
$sequence_13hex{ eb2e 4d8b8028010000 4d85c0 7522 418d5001 33c9 }
$sequence_14hex{ 48894598 eb04 48897d98 488d85c0000000 }
$sequence_15hex{ 41b800800000 ffd0 488d9500040000 4489bd00040000 488d0d86abffff e8???????? 4439bd00040000 }

Condition

7 of them and filesize < 99328

In plain words (Heuristic)

  • The file must be smaller than 99328 (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: 1ba04423-e2a7-59f5-bf4b-bddf2b4f0ee9

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