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MALPEDIA_Win_Appleseed_Auto

autogenerated rule brought to you by yara-signator

MalwareAppleseedMalpedia 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: Appleseed.

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

Summary generated from the rule's metadata and condition.

Rule source

win-appleseed-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Appleseed_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "5e75ff8d-dcc6-5c49-b79f-c03df6c864fe"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.appleseed"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.appleseed_auto.yar#L1-L126"
		license_url = "N/A"
		logic_hash = "498815391cb94c3e1010d2da48bc884a430b5773abee5b451ff2f5206fb77443"
		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 = { 48c745d80f000000 488975d0 c645c000 4d8bce 4533c0 498bd4 488d4dc0 }
		$sequence_1 = { 488d4db8 e8???????? 48833d????????00 0f84d5110000 488d151b1b0200 488d4db8 e8???????? }
		$sequence_2 = { e8???????? 488b8d90000000 4833cc e8???????? 488b9c24b0010000 4881c4a0010000 }
		$sequence_3 = { 488b8d00010000 e8???????? 48c785180100000f000000 4889bd10010000 c6850001000000 4883bdf800000010 }
		$sequence_4 = { 48c74424580f000000 48c744245000000000 c644244000 897c2428 }
		$sequence_5 = { 48833d????????00 0f84f50b0000 488d1533190200 488d4db8 e8???????? 90 488d55d8 }
		$sequence_6 = { 488d4c2420 e8???????? 90 48c745a00f000000 4c896d98 c6458800 4983c9ff }
		$sequence_7 = { 488b05???????? 4833c4 48898590000000 488d4d70 }
		$sequence_8 = { 48ffc7 803c3a00 75f7 488d4c2450 4c8bc7 e8???????? 488d4c2450 }
		$sequence_9 = { 4883feff 748e 41b904010000 4c8d842460010000 33d2 488bce ff15???????? }

	condition:
		7 of them and filesize < 497664
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 48c745d80f000000 488975d0 c645c000 4d8bce 4533c0 498bd4 488d4dc0 }
$sequence_1hex{ 488d4db8 e8???????? 48833d????????00 0f84d5110000 488d151b1b0200 488d4db8 e8???????? }
$sequence_2hex{ e8???????? 488b8d90000000 4833cc e8???????? 488b9c24b0010000 4881c4a0010000 }
$sequence_3hex{ 488b8d00010000 e8???????? 48c785180100000f000000 4889bd10010000 c6850001000000 4883bdf800000010 }
$sequence_4hex{ 48c74424580f000000 48c744245000000000 c644244000 897c2428 }
$sequence_5hex{ 48833d????????00 0f84f50b0000 488d1533190200 488d4db8 e8???????? 90 488d55d8 }
$sequence_6hex{ 488d4c2420 e8???????? 90 48c745a00f000000 4c896d98 c6458800 4983c9ff }
$sequence_7hex{ 488b05???????? 4833c4 48898590000000 488d4d70 }
$sequence_8hex{ 48ffc7 803c3a00 75f7 488d4c2450 4c8bc7 e8???????? 488d4c2450 }
$sequence_9hex{ 4883feff 748e 41b904010000 4c8d842460010000 33d2 488bce ff15???????? }

Condition

7 of them and filesize < 497664

In plain words (Heuristic)

  • The file must be smaller than 497664 (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: 5e75ff8d-dcc6-5c49-b79f-c03df6c864fe

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