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MALPEDIA_Win_Heriplor_Auto

autogenerated rule brought to you by yara-signator

MalwareHeriplorMalpedia 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: Heriplor.

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

Summary generated from the rule's metadata and condition.

Rule source

win-heriplor-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Heriplor_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "5b7552ce-0a6f-5554-8e1c-028e75b3f89f"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.heriplor"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.heriplor_auto.yar#L1-L118"
		license_url = "N/A"
		logic_hash = "501dc12c7a297f3034e338c58303b8ac0fb2fa1dc9945a230d7fb4c7cdc4af1d"
		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 = { 89d1 ebe8 8b7918 8b5f3c }
		$sequence_1 = { 01fb 8b32 01fe 6a01 ff750c 56 e8???????? }
		$sequence_2 = { 8b480c 8b11 8b4130 6a02 ff7508 }
		$sequence_3 = { 89ec 5d c20c00 55 89e5 56 }
		$sequence_4 = { 89e5 51 53 33db 33c9 }
		$sequence_5 = { 01f8 5f 5e 89ec 5d }
		$sequence_6 = { 33d2 668b13 8b0491 01f8 5f 5e 89ec }
		$sequence_7 = { 5b 59 89ec 5d c20c00 55 89e5 }
		$sequence_8 = { 46 8b06 50 46 }
		$sequence_9 = { 33db 33c9 8b4508 8a08 }

	condition:
		7 of them and filesize < 49152
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 89d1 ebe8 8b7918 8b5f3c }
$sequence_1hex{ 01fb 8b32 01fe 6a01 ff750c 56 e8???????? }
$sequence_2hex{ 8b480c 8b11 8b4130 6a02 ff7508 }
$sequence_3hex{ 89ec 5d c20c00 55 89e5 56 }
$sequence_4hex{ 89e5 51 53 33db 33c9 }
$sequence_5hex{ 01f8 5f 5e 89ec 5d }
$sequence_6hex{ 33d2 668b13 8b0491 01f8 5f 5e 89ec }
$sequence_7hex{ 5b 59 89ec 5d c20c00 55 89e5 }
$sequence_8hex{ 46 8b06 50 46 }
$sequence_9hex{ 33db 33c9 8b4508 8a08 }

Condition

7 of them and filesize < 49152

In plain words (Heuristic)

  • The file must be smaller than 49152 (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: 5b7552ce-0a6f-5554-8e1c-028e75b3f89f

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