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MALPEDIA_Win_Heloag_Auto

autogenerated rule brought to you by yara-signator

MalwareHeloagMalpedia 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: Heloag.

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

Summary generated from the rule's metadata and condition.

Rule source

win-heloag-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Heloag_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "f6195c18-5155-55b4-8463-55011564110c"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.heloag"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.heloag_auto.yar#L1-L124"
		license_url = "N/A"
		logic_hash = "fd2642915a590b0fde7950dbbf25053c0c19b4717c654b8abb7177c922c57232"
		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 = { eb0a c745ec98c00010 8b75ec 8b1d???????? 68???????? }
		$sequence_1 = { b001 68???????? 6a00 884105 6a00 895134 884130 }
		$sequence_2 = { 895f0c 5f 5e 5d 5b c3 8b4104 }
		$sequence_3 = { 8b442420 c7842444010000ffffffff 3bc3 741d }
		$sequence_4 = { 8b5508 f7d1 49 2bc2 8bf1 3bc6 }
		$sequence_5 = { 8b442410 8d0cc500000000 2bc8 c1e104 8b9100d00010 8b4c241c 3bcb }
		$sequence_6 = { 33c0 895c2418 895c241c 895c2420 }
		$sequence_7 = { 8b742414 8b00 57 8bf9 8b4e08 897c2410 }
		$sequence_8 = { 754c fec8 53 8841ff 8bcd ff15???????? 5f }
		$sequence_9 = { e8???????? 59 c3 8b8ddcfeffff ff25???????? b8???????? e9???????? }

	condition:
		7 of them and filesize < 401408
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ eb0a c745ec98c00010 8b75ec 8b1d???????? 68???????? }
$sequence_1hex{ b001 68???????? 6a00 884105 6a00 895134 884130 }
$sequence_2hex{ 895f0c 5f 5e 5d 5b c3 8b4104 }
$sequence_3hex{ 8b442420 c7842444010000ffffffff 3bc3 741d }
$sequence_4hex{ 8b5508 f7d1 49 2bc2 8bf1 3bc6 }
$sequence_5hex{ 8b442410 8d0cc500000000 2bc8 c1e104 8b9100d00010 8b4c241c 3bcb }
$sequence_6hex{ 33c0 895c2418 895c241c 895c2420 }
$sequence_7hex{ 8b742414 8b00 57 8bf9 8b4e08 897c2410 }
$sequence_8hex{ 754c fec8 53 8841ff 8bcd ff15???????? 5f }
$sequence_9hex{ e8???????? 59 c3 8b8ddcfeffff ff25???????? b8???????? e9???????? }

Condition

7 of them and filesize < 401408

In plain words (Heuristic)

  • The file must be smaller than 401408 (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: f6195c18-5155-55b4-8463-55011564110c

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