Skip to content

YARA · Malpedia signator rules

MALPEDIA_Win_Carbanak_Auto

autogenerated rule brought to you by yara-signator

MalwareCarbanakMalpedia 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: Carbanak.

It defines 11 patterns (0 text, 11 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

win-carbanak-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Carbanak_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "d443c4eb-117e-543b-842f-04abefc5e43f"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.carbanak"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.carbanak_auto.yar#L1-L127"
		license_url = "N/A"
		logic_hash = "71ed38a5ff55b516374f3619e95181d4146ba8b0f08e1589778a60f18480a8eb"
		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 = { 85c0 7509 e8???????? b001 }
		$sequence_1 = { 7c0d e8???????? 84c0 7504 33c0 }
		$sequence_2 = { 7907 32c0 e9???????? 7507 b001 }
		$sequence_3 = { 3d2c5c0700 750a e8???????? e9???????? }
		$sequence_4 = { 488364242000 418d57e3 488d0d0cb40100 448bce 4c8bc7 e8???????? }
		$sequence_5 = { e8???????? 40b701 bac9470e0c 418bcf e8???????? }
		$sequence_6 = { ffd0 85c0 745e 418d4e09 bac1f86d09 e8???????? 4c8b454f }
		$sequence_7 = { 48 7407 48 7513 6a08 eb0a }
		$sequence_8 = { e9???????? 8b4104 52 ff7510 ff36 ff33 ff30 }
		$sequence_9 = { ffd0 5f 8b45f8 5b c9 c3 }
		$sequence_10 = { 8b8568ffffff 83c420 85c0 0f85c4000000 8d45f4 }

	condition:
		7 of them and filesize < 658432
}

Strings (11 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 85c0 7509 e8???????? b001 }
$sequence_1hex{ 7c0d e8???????? 84c0 7504 33c0 }
$sequence_2hex{ 7907 32c0 e9???????? 7507 b001 }
$sequence_3hex{ 3d2c5c0700 750a e8???????? e9???????? }
$sequence_4hex{ 488364242000 418d57e3 488d0d0cb40100 448bce 4c8bc7 e8???????? }
$sequence_5hex{ e8???????? 40b701 bac9470e0c 418bcf e8???????? }
$sequence_6hex{ ffd0 85c0 745e 418d4e09 bac1f86d09 e8???????? 4c8b454f }
$sequence_7hex{ 48 7407 48 7513 6a08 eb0a }
$sequence_8hex{ e9???????? 8b4104 52 ff7510 ff36 ff33 ff30 }
$sequence_9hex{ ffd0 5f 8b45f8 5b c9 c3 }
$sequence_10hex{ 8b8568ffffff 83c420 85c0 0f85c4000000 8d45f4 }

Condition

7 of them and filesize < 658432

In plain words (Heuristic)

  • The file must be smaller than 658432 (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: d443c4eb-117e-543b-842f-04abefc5e43f

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