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MALPEDIA_Win_Tempedreve_Auto

autogenerated rule brought to you by yara-signator

MalwareTempedreveMalpedia 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: Tempedreve.

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

Summary generated from the rule's metadata and condition.

Rule source

win-tempedreve-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Tempedreve_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "ece88a21-e480-5800-abd8-2425533deff9"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.tempedreve"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.tempedreve_auto.yar#L1-L167"
		license_url = "N/A"
		logic_hash = "5adf34e13e86a9c0f9ad46673434b6e69daf91286b488d91eec438fb1e104306"
		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 = { 55 56 57 33ff 6a19 }
		$sequence_1 = { 83fe05 7563 f7c700000020 741c }
		$sequence_2 = { 43 6685c9 75f1 895c2414 }
		$sequence_3 = { 0fb6442440 50 0fb7442442 50 0fb7442444 50 ff742444 }
		$sequence_4 = { 03c3 89442420 0fb7480e 0fb7400c 03c8 }
		$sequence_5 = { 5d 50 ff15???????? 8b442414 }
		$sequence_6 = { 85db 7442 8be9 2bee 8bfb }
		$sequence_7 = { 8d55f8 6a08 8bcb e8???????? }
		$sequence_8 = { 742e 8b4c2460 8b9610040000 2b542450 }
		$sequence_9 = { 75ed f7d0 8944241c 61 c20800 60 8b742424 }
		$sequence_10 = { 85ff 0f84e6000000 3b7c243c 0f85dc000000 8b542454 8bcf 2bcb }
		$sequence_11 = { 7506 43 41 3bda 72f3 8b4c2414 }
		$sequence_12 = { 01ae14040000 8d5c2bff eb3d 8b5c2458 85ff 7516 8b4c2428 }
		$sequence_13 = { 8b44240c 81ec2c040000 85c0 7509 81c42c040000 }
		$sequence_14 = { b8eefbeeab 33c9 57 0fb6b90030cb00 }
		$sequence_15 = { 8d0411 3bc7 7602 8bc7 50 8b442414 8beb }

	condition:
		7 of them and filesize < 155648
}

Strings (16 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 55 56 57 33ff 6a19 }
$sequence_1hex{ 83fe05 7563 f7c700000020 741c }
$sequence_2hex{ 43 6685c9 75f1 895c2414 }
$sequence_3hex{ 0fb6442440 50 0fb7442442 50 0fb7442444 50 ff742444 }
$sequence_4hex{ 03c3 89442420 0fb7480e 0fb7400c 03c8 }
$sequence_5hex{ 5d 50 ff15???????? 8b442414 }
$sequence_6hex{ 85db 7442 8be9 2bee 8bfb }
$sequence_7hex{ 8d55f8 6a08 8bcb e8???????? }
$sequence_8hex{ 742e 8b4c2460 8b9610040000 2b542450 }
$sequence_9hex{ 75ed f7d0 8944241c 61 c20800 60 8b742424 }
$sequence_10hex{ 85ff 0f84e6000000 3b7c243c 0f85dc000000 8b542454 8bcf 2bcb }
$sequence_11hex{ 7506 43 41 3bda 72f3 8b4c2414 }
$sequence_12hex{ 01ae14040000 8d5c2bff eb3d 8b5c2458 85ff 7516 8b4c2428 }
$sequence_13hex{ 8b44240c 81ec2c040000 85c0 7509 81c42c040000 }
$sequence_14hex{ b8eefbeeab 33c9 57 0fb6b90030cb00 }
$sequence_15hex{ 8d0411 3bc7 7602 8bc7 50 8b442414 8beb }

Condition

7 of them and filesize < 155648

In plain words (Heuristic)

  • The file must be smaller than 155648 (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: ece88a21-e480-5800-abd8-2425533deff9

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