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MALPEDIA_Elf_Nosedive_Auto

autogenerated rule brought to you by yara-signator

MalwareNosediveMalpedia 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: Nosedive.

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

Summary generated from the rule's metadata and condition.

Rule source

elf-nosedive-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Elf_Nosedive_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "c9a8f19b-f74f-50aa-88c2-6cc50c81f5c1"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/elf.nosedive"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/elf.nosedive_auto.yar#L1-L134"
		license_url = "N/A"
		logic_hash = "b5a6cc1bf72377145bc8ef6538251ceeda90c236cc5e68f1cd6540345dca2a49"
		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 = { eb1c 8b1486 891487 48ffc0 4839c3 75f2 488d049d00000000 }
		$sequence_1 = { 8b12 83fa7f 0f869a000000 c1ea07 81fa001c0000 750a 4889b42480000000 }
		$sequence_2 = { 85c0 746a 488d0d2f6c0400 ba6b000000 488d35d0680400 488d3dd5680400 e8???????? }
		$sequence_3 = { e8???????? 488b7b10 e8???????? 48c7430801000000 ba08000000 48896b10 eb87 }
		$sequence_4 = { eb1a 761a 4883ff02 7502 31ff 488d15c20d0e00 488d72f8 }
		$sequence_5 = { 85c0 7460 4983c508 ebdf 4963ca 4889c7 4c89ce }
		$sequence_6 = { 84c9 0f85b7000000 4180fd01 7429 31c0 4c8d0525950f00 4c89e2 }
		$sequence_7 = { e8???????? 85c0 0f85bc020000 488b542438 488b742448 4c89ef e8???????? }
		$sequence_8 = { 8b0d???????? 0fbae109 7333 85d2 790d 0fbae21e 488d058cb20100 }
		$sequence_9 = { e9???????? 488d3d54b60b00 e8???????? 488d3dc4720c00 31c0 e8???????? 4c8d8c24b0010000 }

	condition:
		7 of them and filesize < 3268608
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ eb1c 8b1486 891487 48ffc0 4839c3 75f2 488d049d00000000 }
$sequence_1hex{ 8b12 83fa7f 0f869a000000 c1ea07 81fa001c0000 750a 4889b42480000000 }
$sequence_2hex{ 85c0 746a 488d0d2f6c0400 ba6b000000 488d35d0680400 488d3dd5680400 e8???????? }
$sequence_3hex{ e8???????? 488b7b10 e8???????? 48c7430801000000 ba08000000 48896b10 eb87 }
$sequence_4hex{ eb1a 761a 4883ff02 7502 31ff 488d15c20d0e00 488d72f8 }
$sequence_5hex{ 85c0 7460 4983c508 ebdf 4963ca 4889c7 4c89ce }
$sequence_6hex{ 84c9 0f85b7000000 4180fd01 7429 31c0 4c8d0525950f00 4c89e2 }
$sequence_7hex{ e8???????? 85c0 0f85bc020000 488b542438 488b742448 4c89ef e8???????? }
$sequence_8hex{ 8b0d???????? 0fbae109 7333 85d2 790d 0fbae21e 488d058cb20100 }
$sequence_9hex{ e9???????? 488d3d54b60b00 e8???????? 488d3dc4720c00 31c0 e8???????? 4c8d8c24b0010000 }

Condition

7 of them and filesize < 3268608

In plain words (Heuristic)

  • The file must be smaller than 3268608 (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: c9a8f19b-f74f-50aa-88c2-6cc50c81f5c1

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