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MALPEDIA_Win_Blackenergy_Auto

autogenerated rule brought to you by yara-signator

MalwareBlackenergyMalpedia 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: Blackenergy.

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

Summary generated from the rule's metadata and condition.

Rule source

win-blackenergy-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Blackenergy_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "de87d6df-3bc3-54af-8716-0b1a40ecad9f"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.blackenergy"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.blackenergy_auto.yar#L1-L125"
		license_url = "N/A"
		logic_hash = "2323ff20bbdd47a53314190f6bdf610528610937bd86fe3e5a932ddb1a136f63"
		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 = { 75df 8b5d0c 3bde 0f84c2000000 8b44240c 53 ff742418 }
		$sequence_1 = { 57 57 68000000c0 ff7314 ff15???????? 894318 8b4318 }
		$sequence_2 = { 85c0 7512 56 e8???????? ff35???????? }
		$sequence_3 = { ff15???????? 897b18 8b5b14 3bdf 7407 53 ff15???????? }
		$sequence_4 = { 49 8bc3 2bc1 40 5b 5f 8bd0 }
		$sequence_5 = { ffd0 5e 5b c9 c3 0fb6c9 }
		$sequence_6 = { 83ff02 7510 689704811d 53 e8???????? 8d4dcc }
		$sequence_7 = { 8d45fc 50 8d45f0 50 8d45bc }
		$sequence_8 = { 8b4710 2b45fc 8b0e 890c30 83c604 }
		$sequence_9 = { 74da 8b45fc 8b5818 53 6a40 895df4 }

	condition:
		7 of them and filesize < 98304
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 75df 8b5d0c 3bde 0f84c2000000 8b44240c 53 ff742418 }
$sequence_1hex{ 57 57 68000000c0 ff7314 ff15???????? 894318 8b4318 }
$sequence_2hex{ 85c0 7512 56 e8???????? ff35???????? }
$sequence_3hex{ ff15???????? 897b18 8b5b14 3bdf 7407 53 ff15???????? }
$sequence_4hex{ 49 8bc3 2bc1 40 5b 5f 8bd0 }
$sequence_5hex{ ffd0 5e 5b c9 c3 0fb6c9 }
$sequence_6hex{ 83ff02 7510 689704811d 53 e8???????? 8d4dcc }
$sequence_7hex{ 8d45fc 50 8d45f0 50 8d45bc }
$sequence_8hex{ 8b4710 2b45fc 8b0e 890c30 83c604 }
$sequence_9hex{ 74da 8b45fc 8b5818 53 6a40 895df4 }

Condition

7 of them and filesize < 98304

In plain words (Heuristic)

  • The file must be smaller than 98304 (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.

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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: de87d6df-3bc3-54af-8716-0b1a40ecad9f

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