win_defendnot_auto

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

Detects win.defendnot.

rule win_defendnot_auto {

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

    


    strings:
        $sequence_0 = { 0f1102 e8???????? 488d05f0160500 488903 488bc3 }
                                                                        
        $sequence_1 = { 488bd9 488bc2 488d0d55360300 0f57c0 488d5308 48890b 488d4808 }
                                                                                                
        $sequence_2 = { 4963c7 4c8d1440 4a8b84d6b0720300 48f7e3 4a8b84d6b8720300 488bca 48f7e3 }
                                                                                                
        $sequence_3 = { 740b 493bde 0f85c1000000 eb6b 4d8bbcf7403e0500 33d2 498bcf }
                                                                                                
        $sequence_4 = { 488d4c2430 e8???????? 90 4c897c2470 488b4580 4885c0 7422 }
                                                                                                
        $sequence_5 = { 7417 4180fb05 7511 41f6c001 450fb6db b904000000 }
                                                                                    
        $sequence_6 = { e8???????? 8bf8 e9???????? 4889742460 4c89642470 4c8d25557a0200 4c897c2478 }
                                                                                                
        $sequence_7 = { 448bca 0fb7841870cb0500 66418900 4183f90a 7213 4503c9 410fb7841970cb0500 }
                                                                                                
        $sequence_8 = { 488bd9 4883f8ff 7433 4885c0 7522 4c8d0d7c2c0300 4c8d056d2c0300 }
                                                                                                
        $sequence_9 = { 4c8d1cc8 eb1e 443bc8 410f4cc1 4c8d1d05820400 b935010000 448bc8 }
                                                                                                
    condition:
        7 of them and filesize < 922624
}

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

a16dfe4f-d544-4e7a-9830-ea623abc173b

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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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