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MALPEDIA_Win_Targetcompany_Auto

autogenerated rule brought to you by yara-signator

MalwareTargetcompanyMalpedia 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: Targetcompany.

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

Summary generated from the rule's metadata and condition.

Rule source

win-targetcompany-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Targetcompany_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "11ed9b92-814d-55ea-be2b-897441519d4d"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.targetcompany"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.targetcompany_auto.yar#L1-L133"
		license_url = "N/A"
		logic_hash = "4a0748650a37ff73f23e623d657be6fe08f1a469d6884f8d163fadec988603a5"
		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 = { a5 a5 a5 51 8d75ec e8???????? 59 }
		$sequence_1 = { 13da 53 57 e8???????? ff75c4 894618 ff75c0 }
		$sequence_2 = { 8b4914 83f9ff 7302 8bd9 2b4508 83c9ff 2bcb }
		$sequence_3 = { 0f84a5000000 8d75b4 e8???????? 837dec08 8b4dd8 7303 8d4dd8 }
		$sequence_4 = { 50 895c245c 895c2460 895c2454 895c2458 56 e9???????? }
		$sequence_5 = { 7639 8b4d0c 8d75f4 894df4 8945f8 e8???????? 0fb70b }
		$sequence_6 = { 8d4de8 ffb5c4feffff ffb5c4feffff e8???????? 83c410 53 53 }
		$sequence_7 = { 5e c60000 5b c3 55 8bec 83ec34 }
		$sequence_8 = { 50 ff36 8d4c2428 e8???????? 83c410 68???????? }
		$sequence_9 = { 7205 8b4e04 eb03 8d4e04 50 52 51 }

	condition:
		7 of them and filesize < 328704
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ a5 a5 a5 51 8d75ec e8???????? 59 }
$sequence_1hex{ 13da 53 57 e8???????? ff75c4 894618 ff75c0 }
$sequence_2hex{ 8b4914 83f9ff 7302 8bd9 2b4508 83c9ff 2bcb }
$sequence_3hex{ 0f84a5000000 8d75b4 e8???????? 837dec08 8b4dd8 7303 8d4dd8 }
$sequence_4hex{ 50 895c245c 895c2460 895c2454 895c2458 56 e9???????? }
$sequence_5hex{ 7639 8b4d0c 8d75f4 894df4 8945f8 e8???????? 0fb70b }
$sequence_6hex{ 8d4de8 ffb5c4feffff ffb5c4feffff e8???????? 83c410 53 53 }
$sequence_7hex{ 5e c60000 5b c3 55 8bec 83ec34 }
$sequence_8hex{ 50 ff36 8d4c2428 e8???????? 83c410 68???????? }
$sequence_9hex{ 7205 8b4e04 eb03 8d4e04 50 52 51 }

Condition

7 of them and filesize < 328704

In plain words (Heuristic)

  • The file must be smaller than 328704 (a cheap guard that skips large files).
  • At least 7 patterns in the rule must match.

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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: 11ed9b92-814d-55ea-be2b-897441519d4d

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