win_lethic_auto

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

Detects win.lethic.

rule win_lethic_auto {

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

    


    strings:
        $sequence_0 = { 33c0 e9???????? 8b45fc 8b4d10 894804 8b55fc c7823410000001000000 }
                                                                                                
        $sequence_1 = { 8b45fc c60000 8b4dfc 83c101 894dfc ebe7 8b4508 }
                                                                                                
        $sequence_2 = { 890a 8b55fc 8b02 8945fc 8b4df4 51 }
                                                                                    
        $sequence_3 = { 8b55fc 83c208 52 8b45fc 8b4818 }
                                                                        
        $sequence_4 = { 894df8 8b55fc 3b55f8 7411 8b45fc }
                                                                        
        $sequence_5 = { 7420 8d45f8 50 687e660480 8b4dfc 8b5118 52 }
                                                                                                
        $sequence_6 = { 8955f8 837df800 7418 8b45f8 50 8b4dfc 51 }
                                                                                                
        $sequence_7 = { 83c101 894dfc ebe7 8b4508 }
                                                            
        $sequence_8 = { 8945fc 8b4dfc 034d0c 894df8 8b55fc 3b55f8 7411 }
                                                                                                
        $sequence_9 = { 8b4dfc 034d0c 894df8 8b55fc 3b55f8 7411 }
                                                                                    
    condition:
        7 of them and filesize < 81920
}

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

2165aff1-116d-49fc-bfc3-e4a9b8b99b37

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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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