MALPEDIA_Win_Babuk_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_Babuk_Auto: FILE {
  meta:
    description        = "autogenerated rule brought to you by yara-signator"
    author             = "Felix Bilstein - yara-signator at cocacoding dot com"
    id                 = "d5eda12f-ea4b-52c1-b2a1-b261c48c105c"
    date               = "2023-12-06"
    modified           = "2023-12-08"
    reference          = "https://malpedia.caad.fkie.fraunhofer.de/details/win.babuk"
    source_url         = "https://github.com/malpedia/signator-rules//blob/fbacfc09b84d53d410385e66a8e56f25016c588a/rules/win.babuk_auto.yar#L1-L163"
    license_url        = "N/A"
    logic_hash         = "55094f2694a9f4921a100bba31a1afb9b9947feff6d1ffe3b263a4bd8f4c17f7"
    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  = { ff 15 ?? ?? ?? ?? 68 00 00 01 00 e8 ?? ?? ?? ?? 83 c4 04 }
    $sequence_1  = { 50 ff 15 ?? ?? ?? ?? 83 f8 03 75 02 }
    $sequence_2  = { 8b 45 fc 83 c0 02 89 45 fc 83 7d fc 0a 0f 83 dc 00 00 00 8b 4d fc }
    $sequence_3  = { 8b 4d 08 8b 54 01 04 52 8b 04 01 50 e8 ?? ?? ?? ?? }
    $sequence_4  = { 8b 4d fc c1 e1 08 ba 01 00 00 00 d1 e2 8b 45 08 }
    $sequence_5  = { 8b 95 cc fd ff ff 83 c2 01 89 95 cc fd ff ff 83 bd cc fd ff ff 1f 73 5f 8d 85 f4 fd ff ff }
    $sequence_6  = { 8b 4d fc 8b 55 08 8b 44 ca 04 50 }
    $sequence_7  = { 8b 4d 08 c7 04 01 00 00 00 00 c7 44 01 04 00 00 00 00 ba 08 00 00 00 }
    $sequence_8  = { 0b ca 89 4d fc 8b 45 fc c1 e0 08 b9 01 00 00 00 }
    $sequence_9  = { 8b 04 01 50 e8 ?? ?? ?? ?? 83 c4 08 89 45 ec 89 55 f0 }
    $sequence_10 = { c7 44 01 04 00 00 00 00 ba 08 00 00 00 6b c2 00 8b 4d 08 }
    $sequence_11 = { 8b 45 08 c7 04 10 74 65 20 6b c7 45 fc 00 00 00 00 eb 09 }
    $sequence_12 = { 74 4a 83 7d d8 01 74 44 8b 55 ec 52 ff 15 ?? ?? ?? ?? 8d 45 ac }
    $sequence_13 = { e8 ?? ?? ?? ?? 83 c4 10 c7 85 74 ff ff ff 00 00 00 00 eb 0f }
    $sequence_14 = { 57 b8 08 00 00 00 6b c8 0a 8b 55 08 c7 04 0a 00 00 00 00 c7 44 0a 04 00 00 00 00 c7 45 fc 00 00 00 00 }
    $sequence_15 = { 51 e8 ?? ?? ?? ?? 83 c4 08 89 45 f4 89 55 f8 }

  condition:
    7 of them and filesize < 183296
}

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

0d7ecdd2-50d8-46ba-a354-f0f894f2eff6

Propose edits, view related rules, and engage with the community through comments.

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 ]]

Community Discussion