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MALPEDIA_Win_Bh_A006_Auto

autogenerated rule brought to you by yara-signator

MalwareBh A006Malpedia 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: Bh A006.

It defines 8 patterns (0 text, 8 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

win-bh-a006-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Bh_A006_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "383e4384-0d14-5032-a0a2-bfc193233fc4"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.bh_a006"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.bh_a006_auto.yar#L1-L103"
		license_url = "N/A"
		logic_hash = "4b0e78271dbfb1b5e1be607c68f286ec7189504824d2a120277cb88202a74c29"
		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 = { 7507 b857000780 eb28 33c0 57 }
		$sequence_1 = { 8985dcdeffff 8d85dcdeffff 50 6a04 53 56 ff37 }
		$sequence_2 = { 8bfe 83e71f c1e706 8b049dd8e04100 0fbe443804 83e001 }
		$sequence_3 = { 53 6a03 ff15???????? 8bc8 85c9 0f846fffffff }
		$sequence_4 = { 33f6 397510 0f84b1000000 6a5c 57 89b5c8ddffff }
		$sequence_5 = { e8???????? 59 59 eb19 6a03 }
		$sequence_6 = { c1ff05 83e61f c1e606 8b0cbdd8e04100 f6440e0401 743d }
		$sequence_7 = { 8b4508 ff34c510cc4100 ff15???????? 5d }

	condition:
		7 of them and filesize < 430080
}

Strings (8 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 7507 b857000780 eb28 33c0 57 }
$sequence_1hex{ 8985dcdeffff 8d85dcdeffff 50 6a04 53 56 ff37 }
$sequence_2hex{ 8bfe 83e71f c1e706 8b049dd8e04100 0fbe443804 83e001 }
$sequence_3hex{ 53 6a03 ff15???????? 8bc8 85c9 0f846fffffff }
$sequence_4hex{ 33f6 397510 0f84b1000000 6a5c 57 89b5c8ddffff }
$sequence_5hex{ e8???????? 59 59 eb19 6a03 }
$sequence_6hex{ c1ff05 83e61f c1e606 8b0cbdd8e04100 f6440e0401 743d }
$sequence_7hex{ 8b4508 ff34c510cc4100 ff15???????? 5d }

Condition

7 of them and filesize < 430080

In plain words (Heuristic)

  • The file must be smaller than 430080 (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: 383e4384-0d14-5032-a0a2-bfc193233fc4

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