MALPEDIA_Win_Applejeus_Auto

YARA detection rule by Felix Bilstein - yara-signator at cocacoding dot com · GPL-2.0

autogenerated rule brought to you by yara-signator

rule MALPEDIA_Win_Applejeus_Auto: FILE {
  meta:
    description        = "autogenerated rule brought to you by yara-signator"
    author             = "Felix Bilstein - yara-signator at cocacoding dot com"
    id                 = "2b213dd7-4b0e-53d6-9398-7bec043b88e3"
    date               = "2023-12-06"
    modified           = "2023-12-08"
    reference          = "https://malpedia.caad.fkie.fraunhofer.de/details/win.applejeus"
    source_url         = "https://github.com/malpedia/signator-rules//blob/fbacfc09b84d53d410385e66a8e56f25016c588a/rules/win.applejeus_auto.yar#L1-L132"
    license_url        = "N/A"
    logic_hash         = "0a3d67a5753a00f446b4f5eec17ef4a4499de52aeb8e82581c3d643c4e67e3d2"
    score              = 75
    quality            = 75
    tags               = "FILE"
    version            = "1"
    tool               = "yara-signator v0.6.0"
    signator_config    = "callsandjumps;datarefs;binvalue"
    malpedia_rule_date = "20231130"
    malpedia_hash      = "fc8a0e9f343f6d6ded9e7df1a64dac0cc68d7351"
    malpedia_version   = "20230808"
    malpedia_license   = "CC BY-SA 4.0"
    malpedia_sharing   = "TLP:WHITE"

  strings:
    $sequence_0 = { 89 02 8b 46 08 8b 08 8b 46 04 81 00 44 f3 ff ff 81 00 bc 0c 00 00 }
    $sequence_1 = { 8b 46 04 8b 00 33 c2 0f 85 83 00 00 00 c7 45 f4 5b 00 00 00 8b 45 f4 83 f0 32 }
    $sequence_2 = { 89 45 dc 8d 45 d0 c7 45 d0 a0 8e 42 00 89 7d d4 89 75 d8 0f 11 45 b0 }
    $sequence_3 = { 8b 4a 04 50 0f 11 45 c8 c7 45 a8 e0 29 42 00 0f 11 45 d8 89 7d ac 89 75 b0 }
    $sequence_4 = { e8 ?? ?? ?? ?? 8b 4d c8 83 c4 14 89 45 cc 89 85 1c ff ff ff c7 00 ?? ?? ?? ?? 89 70 04 }
    $sequence_5 = { c7 45 e4 00 00 00 00 8b 41 0c 50 6a 00 51 8b 04 85 1c fb 46 00 ff d0 }
    $sequence_6 = { c6 85 89 f5 ff ff 7d c6 85 8a f5 ff ff 85 c6 85 8b f5 ff ff 72 c6 85 8c f5 ff ff 83 c6 85 8d f5 ff ff 59 c6 85 8e f5 ff ff 3a c6 85 8f f5 ff ff 77 }
    $sequence_7 = { 8d 4d b0 e9 ?? ?? ?? ?? 8d 4d b4 e9 ?? ?? ?? ?? 8d 4d ac e9 ?? ?? ?? ?? 8b 54 24 08 }
    $sequence_8 = { e8 ?? ?? ?? ?? 8b 75 88 8d 4d 94 83 c4 18 e8 ?? ?? ?? ?? c7 85 68 ff ff ff d5 03 00 00 8b 85 68 ff ff ff }
    $sequence_9 = { 8d 85 d4 2e 00 00 50 ff 15 ?? ?? ?? ?? 57 ff 15 ?? ?? ?? ?? e9 ?? ?? ?? ?? ff 15 ?? ?? ?? ?? }

  condition:
    7 of them and filesize < 1245184
}

[[ currentRule.title && currentRule.title.length > 60 ? currentRule.title.slice(0, 60) + '…' : currentRule.title ]]

6a6ae58d-1b91-489e-b14b-b69c34f85ac7

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Executable code, not a declarative rule

This submission is arbitrary [[ currentRule.format ? currentRule.format.toUpperCase() : '' ]] code, not a declarative detection rule — review it as you would any script before running it, and note that it cannot be safely aggregated or auto-executed alongside YARA/Sigma/Suricata/CRS rules.

Rejected pattern present

[[ reason ]]

What does this mean?

Format & documentation suggestions

Not a security issue — this rule is valid and was accepted as-is. These are optional fields/conventions its own format recommends, mainly affecting its quality score and how well it documents itself for other reviewers.

[[ reason ]]

What do these messages mean?

[[ currentRule.title && currentRule.title.length > 60 ? currentRule.title.slice(0, 60) + '…' : currentRule.title ]]

[[ currentRule.title ]]

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