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MALPEDIA_Win_Dimnie_Auto

autogenerated rule brought to you by yara-signator

MalwareDimnieMalpedia 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: Dimnie.

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

Summary generated from the rule's metadata and condition.

Rule source

win-dimnie-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Dimnie_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "a9240258-cf61-5dc2-ab4f-10013015433a"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.dimnie"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.dimnie_auto.yar#L1-L116"
		license_url = "N/A"
		logic_hash = "70ca842d9631fe5369aa7069c32231e46ccbbfe41fbac84f3ba30d862b64c177"
		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 = { 8b450c eb54 8b550c 2b5508 83fa01 751c }
		$sequence_1 = { 8b4508 c70001000000 8b4d0c c70101000000 }
		$sequence_2 = { c70101000000 8b5510 c70201000000 8b4508 8b08 83e10f }
		$sequence_3 = { 750a 837d0800 7504 33c0 eb6e }
		$sequence_4 = { 33c0 eb6e 8b4508 3b450c 7505 }
		$sequence_5 = { c1e804 8945f4 8b4df8 83c101 8b45f4 33d2 }
		$sequence_6 = { 3b450c 7505 8b4508 eb61 8b4d08 3b4d0c }
		$sequence_7 = { c745fc00000000 c745f800000000 c745f850000000 8b450c 8b4dfc 894804 }
		$sequence_8 = { eb61 8b4d08 3b4d0c 7605 }
		$sequence_9 = { 83e10f 8b5508 890a 8b450c }

	condition:
		7 of them and filesize < 212992
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 8b450c eb54 8b550c 2b5508 83fa01 751c }
$sequence_1hex{ 8b4508 c70001000000 8b4d0c c70101000000 }
$sequence_2hex{ c70101000000 8b5510 c70201000000 8b4508 8b08 83e10f }
$sequence_3hex{ 750a 837d0800 7504 33c0 eb6e }
$sequence_4hex{ 33c0 eb6e 8b4508 3b450c 7505 }
$sequence_5hex{ c1e804 8945f4 8b4df8 83c101 8b45f4 33d2 }
$sequence_6hex{ 3b450c 7505 8b4508 eb61 8b4d08 3b4d0c }
$sequence_7hex{ c745fc00000000 c745f800000000 c745f850000000 8b450c 8b4dfc 894804 }
$sequence_8hex{ eb61 8b4d08 3b4d0c 7605 }
$sequence_9hex{ 83e10f 8b5508 890a 8b450c }

Condition

7 of them and filesize < 212992

In plain words (Heuristic)

  • The file must be smaller than 212992 (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: a9240258-cf61-5dc2-ab4f-10013015433a

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