Cobaltbaltstrike_RAW_Payload_https_stager_x86_UTF16

rule Cobaltbaltstrike_RAW_Payload_https_stager_x86_UTF16
{
  meta:
    author = "Avast Threat Intel Team"
    description = "Detects CobaltStrike payloads"
    reference = "https://github.com/avast/ioc"
    id = "dcd3e5c8-7626-5a78-9f90-7a8e67311d90"
  strings:
    // x86 default eop utf-16
    $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
}