win_mylobot_auto

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

Detects win.mylobot.

rule win_mylobot_auto {

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

    


    strings:
        $sequence_0 = { 83c40c 8907 6a00 ff5644 50 ff5640 5f }
                                                                                                
        $sequence_1 = { 59 59 85c0 741b 8b442414 43 83c004 }
                                                                                                
        $sequence_2 = { 59 3bf8 72d3 89742420 }
                                                            
        $sequence_3 = { 33c9 668908 8d44241c 50 }
                                                            
        $sequence_4 = { 0f8732020000 8364241800 8d8424bc010000 6800010000 6a00 50 e8???????? }
                                                                                                
        $sequence_5 = { 7504 33c0 eb39 57 53 56 ff15???????? }
                                                                                                
        $sequence_6 = { 2be8 55 50 57 }
                                                            
        $sequence_7 = { 3c02 7522 8b44240c 8b4c2410 }
                                                            
        $sequence_8 = { 50 c745fc00000000 ff15???????? 8bf0 83feff 7420 }
                                                                                    
        $sequence_9 = { 2bc2 6a40 d1f8 6800300000 8d540014 52 }
                                                                                    
        $sequence_10 = { e8???????? 8d95d8fdffff 52 8d85c8fbffff 68???????? }
                                                                        
        $sequence_11 = { 8bf8 83c404 85ff 0f849b000000 8b75f8 }
                                                                        
        $sequence_12 = { ffd0 e9???????? 8b45fc 8b08 8b5108 50 }
                                                                                    
        $sequence_13 = { 895c2418 3bf2 7420 8bc6 8b08 8b5004 }
                                                                                    
        $sequence_14 = { 0f84a2000000 8b08 8d55f4 52 6a00 }
                                                                        
        $sequence_15 = { 8bf7 2bf3 8d460a 6a01 50 }
                                                                        
    condition:
        7 of them and filesize < 8028160
}

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

739c1d5f-382f-48bc-ae45-2a4aae1374d3

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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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