MALPEDIA_Win_Hyperssl_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_Hyperssl_Auto: FILE {
  meta:
    description        = "autogenerated rule brought to you by yara-signator"
    author             = "Felix Bilstein - yara-signator at cocacoding dot com"
    id                 = "2b769147-d4c5-504a-a0e4-deff8d9a685b"
    date               = "2023-12-06"
    modified           = "2023-12-08"
    reference          = "https://malpedia.caad.fkie.fraunhofer.de/details/win.hyperssl"
    source_url         = "https://github.com/malpedia/signator-rules//blob/fbacfc09b84d53d410385e66a8e56f25016c588a/rules/win.hyperssl_auto.yar#L1-L217"
    license_url        = "N/A"
    logic_hash         = "f5cbe0c98412e251badcd68fd5914804f5830187a82b3a89143d596e8e3b1b20"
    score              = 75
    quality            = 73
    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  = { 01 08 33 10 c1 c6 07 c1 c2 10 }
    $sequence_1  = { 33 c3 8b 5c 24 4c c1 ee 12 0b fe 33 cf 8b f2 }
    $sequence_2  = { 01 05 ?? ?? ?? ?? 8d 8d 5c ff ff ff 89 85 5c ff ff ff 89 85 60 ff ff ff }
    $sequence_3  = { 2b f0 5f 8a 10 30 14 01 8a 10 30 14 06 40 }
    $sequence_4  = { 40 4f 75 f2 5f 5e e9 ?? ?? ?? ?? c3 }
    $sequence_5  = { 74 36 8b 41 3c 03 c1 74 2a }
    $sequence_6  = { 03 c1 74 2a 8b 40 28 03 c1 }
    $sequence_7  = { 01 01 01 00 01 00 01 00 }
    $sequence_8  = { 01 00 02 00 02 00 00 02 00 02 }
    $sequence_9  = { 33 c0 40 5d c2 0c 00 6a 08 }
    $sequence_10 = { 01 08 39 08 1b c9 f7 d9 }
    $sequence_11 = { 8b 40 28 03 c1 74 23 56 57 }
    $sequence_12 = { ff 15 ?? ?? ?? ?? 8b c8 85 c9 74 36 8b 41 3c }
    $sequence_13 = { 01 05 ?? ?? ?? ?? 8d 55 8c 89 45 8c 89 45 90 }
    $sequence_14 = { c2 0c 00 6a 08 68 ?? ?? ?? ?? e8 ?? ?? ?? ?? 8b 45 0c 83 f8 01 }
    $sequence_15 = { 01 01 01 45 14 2b f3 8b 5d 0c }
    $sequence_16 = { 01 44 24 28 8b 44 24 28 88 45 00 45 }
    $sequence_17 = { 01 7e 0c 5f 8b c6 5e c2 08 00 }
    $sequence_18 = { 01 7e 0c 39 5e 10 74 0f ff 76 10 }
    $sequence_19 = { 01 7e 08 8b c3 e8 ?? ?? ?? ?? c2 04 00 }
    $sequence_20 = { 01 7e 0c 8d 4d 08 e8 ?? ?? ?? ?? 5f }
    $sequence_21 = { 01 1d ?? ?? ?? ?? 5f 89 35 ?? ?? ?? ?? 5e }
    $sequence_22 = { 01 7e 08 50 e8 ?? ?? ?? ?? ff 0d ?? ?? ?? ?? }
    $sequence_23 = { 01 6b 08 89 7b 04 5f 5e }

  condition:
    7 of them and filesize < 835584
}

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

7dff9af5-afc5-43c3-9334-ce919491d5fe

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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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