osx_dacls_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 osx_dacls_auto {
  meta:
    author             = "Felix Bilstein - yara-signator at cocacoding dot com"
    date               = "2020-10-14"
    version            = "1"
    description        = "autogenerated rule brought to you by yara-signator"
    tool               = "yara-signator v0.5.0"
    signator_config    = "callsandjumps;datarefs;binvalue"
    malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/osx.dacls"
    malpedia_rule_date = "20201014"
    malpedia_hash      = "a7e3bd57eaf12bf3ea29a863c041091ba3af9ac9"
    malpedia_version   = "20201014"
    malpedia_license   = "CC BY-SA 4.0"
    malpedia_sharing   = "TLP:WHITE"
  

  strings:
    $sequence_0 = { b8 fd ff ff ff 40 80 ff 80 75 d2 48 83 e3 1f 48 }
                                    $sequence_1 = { 09 ca 81 e2 ?? ?? ?? ?? 0f b6 b3 ac 02 00 00 89 f1 83 e1 0f c1 e1 08 01 d1 }
                                    $sequence_2 = { 48 8b 51 50 48 8b 71 58 48 89 b3 80 01 00 00 48 }
                                    $sequence_3 = { eb 1c 48 8b bc 24 90 00 00 00 e8 ?? ?? ?? ?? 48 8b 7c 24 58 e8 ?? ?? ?? ?? }
                                    $sequence_4 = { c7 44 24 78 00 00 00 00 48 c7 84 24 80 00 00 00 00 00 00 00 48 c7 84 24 88 00 00 00 00 00 00 00 c6 84 24 90 00 00 00 00 c6 84 24 91 00 00 00 00 }
                                    $sequence_5 = { e8 ?? ?? ?? ?? 48 89 d9 4d 8b b5 48 01 00 00 41 8b 9d 50 01 00 00 }
                                    $sequence_6 = { 4c 89 ff 48 89 c6 48 89 d9 e8 ?? ?? ?? ?? }
                                    $sequence_7 = { eb 2d 48 8b 7c 24 10 8b 4c 24 1c 48 8d 74 24 28 48 }
                                    $sequence_8 = { e8 ?? ?? ?? ?? 49 89 c4 48 89 44 24 08 48 8d 54 24 10 }
                                    $sequence_9 = { 0f 88 dc 00 00 00 48 63 ee 31 f6 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 }
                
  condition:
    7 of them and filesize < 1346184
}

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

bd6d1f76-e2f8-4c7c-b854-08057f3b9f4b

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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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