Skip to content

YARA · Malpedia signator rules

MALPEDIA_Win_Ripper_Atm_Auto

autogenerated rule brought to you by yara-signator

MalwareRipper AtmMalpedia 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: Ripper Atm.

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

Summary generated from the rule's metadata and condition.

Rule source

win-ripper-atm-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Ripper_Atm_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "abfa5bbc-7e2b-518c-93b7-97db3ca12128"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.ripper_atm"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.ripper_atm_auto.yar#L1-L130"
		license_url = "N/A"
		logic_hash = "386c947474920550baec0da9a91550d4fc1de86f84fa17586679290334ca5f50"
		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 = { 7471 8b0c85f0974400 f644190480 7463 8d45e0 50 ff3419 }
		$sequence_1 = { 8b45e0 ff7010 ffd3 8b45e0 ff7014 ffd3 ff75e0 }
		$sequence_2 = { 7407 8d5518 3bce 7403 8d55f8 8b12 8913 }
		$sequence_3 = { c3 55 8bec 8b0d???????? 8b15???????? 8bc1 2bc2 }
		$sequence_4 = { 85f6 0f8e55ffffff 8b4c2418 ebde 55 8bec 83e4f8 }
		$sequence_5 = { 7406 57 e8???????? 015e04 eb2b 3b4e08 7508 }
		$sequence_6 = { e8???????? 8906 8b5508 8b0a 890e 8902 8b4204 }
		$sequence_7 = { 57 e8???????? 8b4304 8b0b 8945fc }
		$sequence_8 = { 56 8d45d0 50 e8???????? 8b75d0 8d4dd4 }
		$sequence_9 = { 8d45e0 43 eb13 6a02 c745dc0f000000 8955d8 }

	condition:
		7 of them and filesize < 724992
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 7471 8b0c85f0974400 f644190480 7463 8d45e0 50 ff3419 }
$sequence_1hex{ 8b45e0 ff7010 ffd3 8b45e0 ff7014 ffd3 ff75e0 }
$sequence_2hex{ 7407 8d5518 3bce 7403 8d55f8 8b12 8913 }
$sequence_3hex{ c3 55 8bec 8b0d???????? 8b15???????? 8bc1 2bc2 }
$sequence_4hex{ 85f6 0f8e55ffffff 8b4c2418 ebde 55 8bec 83e4f8 }
$sequence_5hex{ 7406 57 e8???????? 015e04 eb2b 3b4e08 7508 }
$sequence_6hex{ e8???????? 8906 8b5508 8b0a 890e 8902 8b4204 }
$sequence_7hex{ 57 e8???????? 8b4304 8b0b 8945fc }
$sequence_8hex{ 56 8d45d0 50 e8???????? 8b75d0 8d4dd4 }
$sequence_9hex{ 8d45e0 43 eb13 6a02 c745dc0f000000 8955d8 }

Condition

7 of them and filesize < 724992

In plain words (Heuristic)

  • The file must be smaller than 724992 (a cheap guard that skips large files).
  • At least 7 patterns in the rule must match.

Test this rule in your browser

Drop a file to scan it with this rule using YARA-X compiled to WebAssembly. Nothing is uploaded.

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: abfa5bbc-7e2b-518c-93b7-97db3ca12128

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