win_bughatch_auto

YARA detection rule by Felix Bilstein - yara-signator at cocacoding dot com

Detects win.bughatch.

rule win_bughatch_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-09-17"
        version = "1"
        description = "Detects win.bughatch."
        info = "autogenerated rule brought to you by yara-signator"
        tool = "yara-signator v0.6.0"
        signator_config = "callsandjumps;datarefs;binvalue"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.bughatch"
        malpedia_rule_date = "20260916"
        malpedia_hash = "53a643781c18e08f4a50949af60172d837a0b6f6"
        malpedia_version = "20260917"
        malpedia_license = "CC BY-SA 4.0"
        malpedia_sharing = "TLP:WHITE"

    


    strings:
        $sequence_0 = { 8d95ecfaffff 52 ff15???????? 837d1000 7436 b801000000 6bc800 }
                                                                                                
        $sequence_1 = { 85c0 0f84e2000000 8d4de8 51 e8???????? 83c404 8d55dc }
                                                                                                
        $sequence_2 = { 83c408 034508 8945e0 8b55fc 8b4220 50 8b4d08 }
                                                                                                
        $sequence_3 = { 83c40c c745ac44000000 6804010000 8d8da0fcffff 51 6a00 }
                                                                                    
        $sequence_4 = { 8b4df4 51 e8???????? 85c0 7469 }
                                                                        
        $sequence_5 = { 8b4508 8b08 890a 837df800 7409 c745c800000000 }
                                                                                    
        $sequence_6 = { 50 8d8decfeffff 51 68???????? 8d95e8fdffff 52 ff15???????? }
                                                                                                
        $sequence_7 = { 8d441008 8b4d08 0fb75104 03c2 8b4d08 }
                                                                        
        $sequence_8 = { 6b45f818 8b4df4 8b540104 52 ff15???????? }
                                                                        
        $sequence_9 = { 8b4d0c 51 68???????? 6a01 e8???????? 83c40c eb56 }
                                                                                                
    condition:
        7 of them and filesize < 75776
}

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

48e63f6f-bedb-4bae-8640-00151074510c

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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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