win_webc2_ausov_auto

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

Detects win.webc2_ausov.

rule win_webc2_ausov_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-09-17"
        version = "1"
        description = "Detects win.webc2_ausov."
        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.webc2_ausov"
        malpedia_rule_date = "20260916"
        malpedia_hash = "53a643781c18e08f4a50949af60172d837a0b6f6"
        malpedia_version = "20260917"
        malpedia_license = "CC BY-SA 4.0"
        malpedia_sharing = "TLP:WHITE"

    


    strings:
        $sequence_0 = { 83854cfaffff02 80bd46faffff00 75ae c78540faffff00000000 eb0b 1bc0 83d8ff }
                                                                                                
        $sequence_1 = { 0f8407000000 0f8501000000 f8 8b550c }
                                                            
        $sequence_2 = { b941000000 33c0 8dbda9faffff f3ab }
                                                            
        $sequence_3 = { 7546 80bd47faffff00 7431 8b8548faffff 8a4801 888d46faffff }
                                                                                    
        $sequence_4 = { 0355f4 0fbe4201 3345f4 8945fc 0f8407000000 }
                                                                        
        $sequence_5 = { 6a00 8d85a8faffff 50 8d8dbcfcffff }
                                                            
        $sequence_6 = { 85c9 740d 85c0 7409 5f 5e }
                                                                                    
        $sequence_7 = { 6a00 68???????? 8d85f8fbffff 50 e8???????? 83c408 50 }
                                                                                                
        $sequence_8 = { 0f8501000000 f8 68???????? 8d8dfcfbffff 51 e8???????? 83c408 }
                                                                                                
        $sequence_9 = { ffd3 8bf0 85f6 0f8487000000 8b3d???????? }
                                                                        
    condition:
        7 of them and filesize < 40960
}

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

86cbe7be-6265-4883-b028-40ddc2ac9c77

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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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