Cobaltbaltstrike_RAW_Payload_TCP_Reverse_x86_UTF16

Description

Detects CobaltStrike payloads

Query · yara

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+0x015b) == 0x00006b00 and
    uint32(@h01+0x0179) == 0xe000df00 and
    uint32(@h01+0x01ad) == 0x61007400 and
    uint32(@h01+0x01cd) == 0x5600a200 and
    uint32(@h01+0x01e7) == 0x5f00c800 and
    uint32(@h01+0x020d) == 0xe5005300 and
    uint32(@h01+0x0229) == 0x5f00c800
Raw source Cobaltbaltstrike_RAW_Payload_TCP_Reverse_x86_UTF16 · YARA
Esc
Published by Neo23x0/signature-base ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
rule Cobaltbaltstrike_RAW_Payload_TCP_Reverse_x86_UTF16
{
  meta:
    author = "Avast Threat Intel Team"
    description = "Detects CobaltStrike payloads"
    reference = "https://github.com/avast/ioc"
    id = "321c1f3f-b7fc-5408-b460-6aa4423d381c"
  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+0x015b) == 0x00006b00 and
    uint32(@h01+0x0179) == 0xe000df00 and
    uint32(@h01+0x01ad) == 0x61007400 and
    uint32(@h01+0x01cd) == 0x5600a200 and
    uint32(@h01+0x01e7) == 0x5f00c800 and
    uint32(@h01+0x020d) == 0xe5005300 and
    uint32(@h01+0x0229) == 0x5f00c800
}

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