win_goopic_auto

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

Detects win.goopic.

rule win_goopic_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-09-17"
        version = "1"
        description = "Detects win.goopic."
        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.goopic"
        malpedia_rule_date = "20260916"
        malpedia_hash = "53a643781c18e08f4a50949af60172d837a0b6f6"
        malpedia_version = "20260917"
        malpedia_license = "CC BY-SA 4.0"
        malpedia_sharing = "TLP:WHITE"

    


    strings:
        $sequence_0 = { ffd3 85c0 7534 6a11 ffd7 }
                                                                        
        $sequence_1 = { 6a00 ff15???????? e8???????? 8d44241c }
                                                            
        $sequence_2 = { 85c0 7411 e8???????? ba01000000 }
                                                            
        $sequence_3 = { c785d0fdffff2c020000 ff15???????? 8bf0 8d85d0fdffff 50 56 89b5ccfdffff }
                                                                                                
        $sequence_4 = { 8bec b8646a0000 e8???????? a1???????? 33c5 8945fc }
                                                                                    
        $sequence_5 = { 8b442410 68???????? 50 8b08 ff9194000000 8b442410 }
                                                                                    
        $sequence_6 = { c785bcfdffff00000000 ff15???????? 0fb6c8 83f905 7715 7507 c1e808 }
                                                                                                
        $sequence_7 = { 50 ffb5dcefffff ff15???????? 33c0 c785ecefffff00000000 663b4706 7353 }
                                                                                                
        $sequence_8 = { ebce 68???????? ff35???????? ffd3 85c0 7477 }
                                                                                    
        $sequence_9 = { c3 6884030000 6a00 6a00 }
                                                            
    condition:
        7 of them and filesize < 114688
}

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

3c837586-1b89-49cc-b4b6-4559ee4d2c6d

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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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