MALPEDIA_Win_Onliner_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_Onliner_Auto: FILE {
  meta:
    description        = "autogenerated rule brought to you by yara-signator"
    author             = "Felix Bilstein - yara-signator at cocacoding dot com"
    id                 = "c0a25174-badc-5a1b-a67c-48cbb1aef2be"
    date               = "2023-12-06"
    modified           = "2023-12-08"
    reference          = "https://malpedia.caad.fkie.fraunhofer.de/details/win.onliner"
    source_url         = "https://github.com/malpedia/signator-rules//blob/fbacfc09b84d53d410385e66a8e56f25016c588a/rules/win.onliner_auto.yar#L1-L132"
    license_url        = "N/A"
    logic_hash         = "6df36365f1b8dbe7cdb1d0b03d64f7da847c99d2518d7b5ebc1610f68ca3a069"
    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 = { 0f 82 74 ff ff ff 66 83 ff 04 0f 85 96 00 00 00 33 ff 8d 45 e4 66 8b 55 ee c1 e2 02 }
    $sequence_1 = { 8d 8d b4 fe ff ff 8b d3 8b c6 8b 38 ff 57 0c 8b 85 b4 fe ff ff 5a }
    $sequence_2 = { 85 c0 74 05 3b 50 fc 72 05 e8 ?? ?? ?? ?? 42 8d 44 10 ff }
    $sequence_3 = { 50 6a 00 8b c3 e8 ?? ?? ?? ?? 50 ff 15 ?? ?? ?? ?? }
    $sequence_4 = { 3b 45 e4 0f 84 ab 00 00 00 ff 45 e4 80 7d ee 00 74 2c 8b 55 e4 2b d0 }
    $sequence_5 = { 33 45 fc 03 c6 03 45 cc 05 c8 fb d3 e7 ba 14 00 00 00 e8 ?? ?? ?? ?? 03 c7 }
    $sequence_6 = { 8b da 8b f0 8b c3 ba 02 00 00 00 e8 ?? ?? ?? ?? 8b c3 e8 ?? ?? ?? ?? }
    $sequence_7 = { 33 c0 89 45 ec 83 7d f0 00 74 26 83 ca ff 8b 45 f8 }
    $sequence_8 = { 3b c3 7c 07 80 7c 1e ff 20 74 f4 57 b9 ff ff ff 7f 8b d3 }
    $sequence_9 = { 8b 45 fc 8b 88 d0 01 00 00 ba 02 00 00 00 8b 45 fc 8b 18 ff 53 4c ff 75 e4 }

  condition:
    7 of them and filesize < 1736704
}

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

73b8329c-7ef7-4049-881c-cc23d84b307a

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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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