win_icedid_auto

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

Detects win.icedid.

rule win_icedid_auto {

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

    


    strings:
        $sequence_0 = { 7427 6a3b 56 ff15???????? 8bf8 }
                                                                        
        $sequence_1 = { ff15???????? 85c0 7420 837c241000 }
                                                            
        $sequence_2 = { 50 0fb705???????? 50 51 0fb60d???????? }
                                                                        
        $sequence_3 = { 85c0 7511 56 57 ff15???????? }
                                                                        
        $sequence_4 = { 6905????????e8030000 50 ff35???????? ff15???????? }
                                                            
        $sequence_5 = { 7413 ff36 6a08 ff15???????? 50 }
                                                                        
        $sequence_6 = { ff15???????? 8bf7 8bc6 eb02 33c0 }
                                                                        
        $sequence_7 = { be01000080 50 56 ff15???????? }
                                                            
        $sequence_8 = { e8???????? 8bf0 8d45fc 50 ff75fc 6a05 }
                                                                                    
        $sequence_9 = { 8d5b11 83c414 47 3b7820 72d1 }
                                                                        
        $sequence_10 = { 8d6af8 d1ed 6a00 5f 743f 8d5808 }
                                                                                    
        $sequence_11 = { 3bfd 72c4 8b542414 0302 }
                                                            
        $sequence_12 = { 03c2 eb5c 8d5004 89542414 }
                                                            
        $sequence_13 = { 57 33ff 397820 7633 53 8bdf }
                                                                                    
        $sequence_14 = { 8d4508 50 0fb6440b34 50 ff740b28 8b440b24 }
                                                                                    
        $sequence_15 = { 8d5004 89542414 8b12 85d2 7454 8d6af8 }
                                                                                    
        $sequence_16 = { ff15???????? 85c0 750a b8010000c0 e9???????? }
                                                                        
        $sequence_17 = { ff5010 85c0 7407 33c0 }
                                                            
        $sequence_18 = { 8a4173 a808 75f5 a804 7406 }
                                                                        
        $sequence_19 = { 44 886b05 41 2ac7 41 02fd }
                                                                                    
        $sequence_20 = { 48 85d2 0f8422020000 33d2 }
                                                            
        $sequence_21 = { 89433c 48 85c0 744e 41 }
                                                                        
        $sequence_22 = { 8d429c 49 03f9 48 8d6f16 48 8bcd }
                                                                                                
        $sequence_23 = { 0fb64303 45 33c9 8b4858 8b4304 894de0 0fb74b02 }
                                                                                                
        $sequence_24 = { 74e4 4533c9 48895c2420 4533c0 33c9 418d511a ff15???????? }
                                                                                                
        $sequence_25 = { ff15???????? 4c8bc3 33d2 488bc8 ff15???????? 488bb590020000 4885f6 }
                                                                                                
        $sequence_26 = { 4883ff04 0f8210010000 4883ef04 48897c2430 4885db }
                                                                        
        $sequence_27 = { 741e 498b1f 4885db 7414 ff15???????? 4c8bc3 }
                                                                                    
        $sequence_28 = { 488bf2 488bd9 ff15???????? 4885c0 7504 }
                                                                        
        $sequence_29 = { 7504 33c0 eb7e 488d15550d0000 488bc8 ff15???????? 488bf8 }
                                                                                                
        $sequence_30 = { 443bc9 7458 4585d2 7420 }
                                                            
        $sequence_31 = { ff15???????? ffc7 3b7b1c 72d7 8b430c 4803c6 0f845affffff }
                                                                                                
    condition:
        7 of them and filesize < 303104
}

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

55316869-0026-404e-8cec-b8e75382244b

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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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