YARA · Avast / Gen Digital IOC
AVASTTI_Cobaltstrike_Raw_Payload_Http_Stager_X86_Utf16
No description has been set in the source file - AvastTI
- Autor
- Gen Threat Labs
- Datum
- 2021-07-08
- Geändert
- 2026-03-11
- Score / Qualität
- 75 / 90
Was diese Regel erkennt
No description has been set in the source file - AvastTI
Zugehörige Malware-Familie: Cobalt Strike.
Sie definiert 1 Muster (0 Text, 1 Hex, 0 Regex).
Zusammenfassung aus den Metadaten und der Bedingung der Regel erzeugt.
Regelquelltext
cobaltstrike-raw-payload-http-stager-x86-utf16.yarDetection Rule License 1.1
rule AVASTTI_Cobaltstrike_Raw_Payload_Http_Stager_X86_Utf16
{
meta:
= "No description has been set in the source file - AvastTI"
= "Gen Threat Labs"
= "c1602e85-5b42-5005-a6d1-7140cb57a3c7"
= "2021-07-08"
= "2026-03-11"
= "https://github.com/gendigitalinc/ioc"
= "https://github.com/avast/ioc/blob/a450ddabed95984422909c75ac52b6841f685983/CobaltStrike/yara_rules/cs_rules.yar#L458-L478"
= "N/A"
= "b6e19ee9141aa22d73de6d8145257eba7b3b2bb2edc0996591085c84f242ec87"
= 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 + 0x0157 ) == 0xa7007900 and uint32( @h01 + 0x018f ) == 0xc6009f00 and uint32( @h01 + 0x01bf ) == 0x3b002e00 and uint32( @h01 + 0x01e7 ) == 0x7b001800 and uint32( @h01 + 0x0219 ) == 0x5d00e200 and uint32( @h01 + 0x022b ) == 0x31005e00 and uint32( @h01 + 0x0249 ) == 0x0b00e000 and uint32( @h01 + 0x058b ) == 0x5600a200 and uint32( @h01 + 0x05b3 ) == 0xe5005300 and uint32( @h01 + 0x05e9 ) == 0xe2008900
}
Strings (1 Muster)
| Bezeichner | Typ | Wert | Modifikatoren |
|---|---|---|---|
| $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 } |
Bedingung
uint32( @h01 + 0x013b ) == 0x07002600 and uint32( @h01 + 0x0157 ) == 0xa7007900 and uint32( @h01 + 0x018f ) == 0xc6009f00 and uint32( @h01 + 0x01bf ) == 0x3b002e00 and uint32( @h01 + 0x01e7 ) == 0x7b001800 and uint32( @h01 + 0x0219 ) == 0x5d00e200 and uint32( @h01 + 0x022b ) == 0x31005e00 and uint32( @h01 + 0x0249 ) == 0x0b00e000 and uint32( @h01 + 0x058b ) == 0x5600a200 and uint32( @h01 + 0x05b3 ) == 0xe5005300 and uint32( @h01 + 0x05e9 ) == 0xe2008900Diese Regel im Browser testen
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Referenzen
Lizenz & Namensnennung
Autor: Gen Threat Labs
Quell-Repository: Avast / Gen Digital IOC @ a450ddabed
Lizenz: Detection Rule License 1.1 (Repository-Lizenz)
Gespiegelt über YARA Forge 20260927, das Regelnamen mit der Quelle präfixiert und normalisierte Meta-Felder ergänzt.
Regel-ID: c1602e85-5b42-5005-a6d1-7140cb57a3c7
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