MALPEDIA_Win_Shakti_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_Shakti_Auto: FILE {
  meta:
    description        = "autogenerated rule brought to you by yara-signator"
    author             = "Felix Bilstein - yara-signator at cocacoding dot com"
    id                 = "535cf33d-f06d-5859-b025-0ff160716ffb"
    date               = "2023-12-06"
    modified           = "2023-12-08"
    reference          = "https://malpedia.caad.fkie.fraunhofer.de/details/win.shakti"
    source_url         = "https://github.com/malpedia/signator-rules//blob/fbacfc09b84d53d410385e66a8e56f25016c588a/rules/win.shakti_auto.yar#L1-L172"
    license_url        = "N/A"
    logic_hash         = "6f5489cc7281ed05aa1395fcaba968324612a285b4f1d07b39699fdb3c984697"
    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 45 ec 8b 4d d4 83 c1 02 89 4d d4 e9 ?? ?? ?? ?? 8b 55 c0 }
    $sequence_1  = { 0f b7 11 81 fa 4d 5a 00 00 75 2e 8b 45 c0 8b 48 3c }
    $sequence_2  = { 8b 45 fc 8b 4d d8 03 08 89 4d f0 8b 55 fc }
    $sequence_3  = { 0f b7 c2 83 f8 01 75 3d b9 ff 0f 00 00 8b 55 f0 66 23 0a 0f b7 c1 }
    $sequence_4  = { 8b 45 c0 03 42 3c 89 45 f8 6a 40 }
    $sequence_5  = { 52 6a 00 ff 55 e4 89 45 d8 8b 45 f8 8b 48 54 89 4d e0 }
    $sequence_6  = { 8b 45 e0 8b 0c 10 03 4d c0 ba ff 0f 00 00 8b 45 f0 }
    $sequence_7  = { 8b 55 f8 03 55 c0 89 55 f8 8b 45 f8 }
    $sequence_8  = { 8b 74 24 08 85 f6 74 1e 80 3e 00 75 12 ff 76 0c e8 ?? ?? ?? ?? }
    $sequence_9  = { ff 34 c5 b4 a2 40 00 53 57 e8 ?? ?? ?? ?? 83 c4 0c 85 c0 }
    $sequence_10 = { 50 ff 75 9c ff 15 ?? ?? ?? ?? 85 c0 74 0d 83 7d 90 00 }
    $sequence_11 = { 8b ff 55 8b ec 8b 45 08 33 c9 3b 04 cd 10 a0 40 00 74 13 }
    $sequence_12 = { ff 15 ?? ?? ?? ?? 89 45 9c 83 f8 ff 75 07 32 c0 e9 ?? ?? ?? ?? 57 }
    $sequence_13 = { bf 04 01 00 00 57 8d 86 0e 08 00 00 50 6a 00 }
    $sequence_14 = { 6a 08 50 89 0d ?? ?? ?? ?? ff 15 ?? ?? ?? ?? }
    $sequence_15 = { 83 7d d4 00 a1 ?? ?? ?? ?? 74 23 c7 00 b8 00 00 00 a1 ?? ?? ?? ?? }

  condition:
    7 of them and filesize < 191488
}

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

a29a34b7-c2da-4bb2-bc0b-da8a7d6c9c43

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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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