YARA · Avast / Gen Digital IOC
AVASTTI_Cobaltstrike_Raw_Payload_Https_Stager_X86_Utf16
No description has been set in the source file - AvastTI
- Auteur
- Gen Threat Labs
- Date
- 2021-07-08
- Modifiée
- 2026-03-11
- Score / Qualité
- 75 / 90
Ce que détecte cette règle
No description has been set in the source file - AvastTI
Famille de malware associée : Cobalt Strike.
Elle définit 1 motifs (0 texte, 1 hex, 0 regex).
Résumé généré à partir des métadonnées et de la condition de la règle.
Source de la règle
cobaltstrike-raw-payload-https-stager-x86-utf16.yarDetection Rule License 1.1
rule AVASTTI_Cobaltstrike_Raw_Payload_Https_Stager_X86_Utf16
{
meta:
= "No description has been set in the source file - AvastTI"
= "Gen Threat Labs"
= "dcd3e5c8-7626-5a78-9f90-7a8e67311d90"
= "2021-07-08"
= "2026-03-11"
= "https://github.com/gendigitalinc/ioc"
= "https://github.com/avast/ioc/blob/a450ddabed95984422909c75ac52b6841f685983/CobaltStrike/yara_rules/cs_rules.yar#L499-L520"
= "N/A"
= "5003ebd545182bb105cdcaaac2105a92cdd99a0178c24eb5ae2888232897aeb5"
= 75
= 90
= ""
strings:
$h01 = { FC 00 E8 00 89 00 00 00 00 00 00 00 60 00 89 00 E5 00 31 00 D2 00 64 00 8B 00 52 00 30 00 8B 00 52 00 0C 00 8B 00 52 00 14 00 8B 00 72 00 28 }
condition:
uint32( @h01 + 0x013b ) == 0x07002600 and uint32( @h01 + 0x0161 ) == 0xa7007900 and uint32( @h01 + 0x0199 ) == 0xc6009f00 and uint32( @h01 + 0x01d1 ) == 0x3b002e00 and uint32( @h01 + 0x0203 ) == 0x86009e00 and uint32( @h01 + 0x0223 ) == 0x7b001800 and uint32( @h01 + 0x0255 ) == 0x5d00e200 and uint32( @h01 + 0x0267 ) == 0x31005e00 and uint32( @h01 + 0x0285 ) == 0x0b00e000 and uint32( @h01 + 0x05d5 ) == 0x5600a200 and uint32( @h01 + 0x05fd ) == 0xe5005300 and uint32( @h01 + 0x0633 ) == 0xe2008900
}
Chaînes (1 motifs)
| Identifiant | Type | Valeur | Modificateurs |
|---|---|---|---|
| $h01 | hex | { FC 00 E8 00 89 00 00 00 00 00 00 00 60 00 89 00 E5 00 31 00 D2 00 64 00 8B 00 52 00 30 00 8B 00 52 00 0C 00 8B 00 52 00 14 00 8B 00 72 00 28 } |
Condition
uint32( @h01 + 0x013b ) == 0x07002600 and uint32( @h01 + 0x0161 ) == 0xa7007900 and uint32( @h01 + 0x0199 ) == 0xc6009f00 and uint32( @h01 + 0x01d1 ) == 0x3b002e00 and uint32( @h01 + 0x0203 ) == 0x86009e00 and uint32( @h01 + 0x0223 ) == 0x7b001800 and uint32( @h01 + 0x0255 ) == 0x5d00e200 and uint32( @h01 + 0x0267 ) == 0x31005e00 and uint32( @h01 + 0x0285 ) == 0x0b00e000 and uint32( @h01 + 0x05d5 ) == 0x5600a200 and uint32( @h01 + 0x05fd ) == 0xe5005300 and uint32( @h01 + 0x0633 ) == 0xe2008900Tester cette règle dans votre navigateur
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Références
Licence et attribution
Auteur : Gen Threat Labs
Dépôt source : Avast / Gen Digital IOC @ a450ddabed
Licence : Detection Rule License 1.1 (licence du dépôt)
Reprise via YARA Forge 20260927, qui préfixe les noms de règles par la source et ajoute des champs meta normalisés.
Identifiant de règle: dcd3e5c8-7626-5a78-9f90-7a8e67311d90
Règles liées
- Outil offensifAvast / Gen Digital IOC· Gen Threat Labs· 2021-07-08
- Outil offensifAvast / Gen Digital IOC· Gen Threat Labs· 2021-07-08
- Outil offensifAvast / Gen Digital IOC· Gen Threat Labs· 2021-07-08
- Outil offensifAvast / Gen Digital IOC· Gen Threat Labs· 2021-07-08
- Outil offensifAvast / Gen Digital IOC· Gen Threat Labs· 2021-07-08
- Outil offensifAvast / Gen Digital IOC· Gen Threat Labs· 2021-07-08
- Outil offensifAvast / Gen Digital IOC· Gen Threat Labs· 2021-07-08
- Outil offensifAvast / Gen Digital IOC· Gen Threat Labs· 2021-07-08