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MALPEDIA_Win_Tonerjam_Auto

autogenerated rule brought to you by yara-signator

MalwareTonerjamMalpedia 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: Tonerjam.

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

Summary generated from the rule's metadata and condition.

Rule source

win-tonerjam-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Tonerjam_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "a063fb23-ba9a-5e53-b940-9f8d06dcf4cb"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.tonerjam"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.tonerjam_auto.yar#L1-L124"
		license_url = "N/A"
		logic_hash = "721a76d811438eef4f5c0a728a2249138edac1453021df45751fb535ce74da26"
		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 = { 4933fa 4b87bcfe601d0200 33c0 488b5c2450 488b6c2458 }
		$sequence_1 = { 4889442420 488bd3 498bce ff15???????? b801000000 }
		$sequence_2 = { 4889442420 ff15???????? 85c0 7431 488b4c2458 488d442440 4533c9 }
		$sequence_3 = { 83b97004000002 0f84e7010000 bd20000000 4c8d35520a0100 897350 89732c }
		$sequence_4 = { 488d5560 41b808020000 ff15???????? 488d4d60 ff15???????? 660f6f05???????? }
		$sequence_5 = { 448d4220 ff15???????? 660f6f05???????? 488d45a0 660f6f0d???????? }
		$sequence_6 = { eb0b 4803f6 418b84f718a40100 85c0 7816 3de4000000 730f }
		$sequence_7 = { 4883f8ff 74c8 488bd3 4c8d0512e80000 83e23f 488bcb }
		$sequence_8 = { f30f6f40c0 660fefc8 f30f7f48c0 660f6fca f30f6f40d0 660fefc2 }
		$sequence_9 = { 33d2 48897c2430 89442428 4c8d8590050000 448bcb 40883e 4889742420 }

	condition:
		7 of them and filesize < 315392
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 4933fa 4b87bcfe601d0200 33c0 488b5c2450 488b6c2458 }
$sequence_1hex{ 4889442420 488bd3 498bce ff15???????? b801000000 }
$sequence_2hex{ 4889442420 ff15???????? 85c0 7431 488b4c2458 488d442440 4533c9 }
$sequence_3hex{ 83b97004000002 0f84e7010000 bd20000000 4c8d35520a0100 897350 89732c }
$sequence_4hex{ 488d5560 41b808020000 ff15???????? 488d4d60 ff15???????? 660f6f05???????? }
$sequence_5hex{ 448d4220 ff15???????? 660f6f05???????? 488d45a0 660f6f0d???????? }
$sequence_6hex{ eb0b 4803f6 418b84f718a40100 85c0 7816 3de4000000 730f }
$sequence_7hex{ 4883f8ff 74c8 488bd3 4c8d0512e80000 83e23f 488bcb }
$sequence_8hex{ f30f6f40c0 660fefc8 f30f7f48c0 660f6fca f30f6f40d0 660fefc2 }
$sequence_9hex{ 33d2 48897c2430 89442428 4c8d8590050000 448bcb 40883e 4889742420 }

Condition

7 of them and filesize < 315392

In plain words (Heuristic)

  • The file must be smaller than 315392 (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: a063fb23-ba9a-5e53-b940-9f8d06dcf4cb

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