Cobaltbaltstrike_RAW_Payload_http_stager_x64_UTF16

Description

Detects CobaltStrike payloads

Query · yara

strings:
    // x64 default eop utf16
    $h01 = { FC 00 48 00 83 00 E4 00 F0 00 E8 00 C8 00 00 00 00 00 00 00 41 00 51 00 41 00 50 00 52 00 51 00 56 00 48 00 31 00 D2 00 65 00 48 00 8B 00 52 }
  condition:
    uint32(@h01+0x01d5) == 0x07002600 and
    uint32(@h01+0x0205) == 0xa7007900 and
    uint32(@h01+0x0243) == 0xc6009f00 and
    uint32(@h01+0x0281) == 0x3b002e00 and
    uint32(@h01+0x02c9) == 0x7b001800 and
    uint32(@h01+0x0613) == 0x5600a200 and
    uint32(@h01+0x064b) == 0xe5005300 and
    uint32(@h01+0x0687) == 0xe2008900
Raw source Cobaltbaltstrike_RAW_Payload_http_stager_x64_UTF16 · YARA
Esc
Published by Neo23x0/signature-base ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
rule Cobaltbaltstrike_RAW_Payload_http_stager_x64_UTF16
{
  meta:
    author = "Avast Threat Intel Team"
    description = "Detects CobaltStrike payloads"
    reference = "https://github.com/avast/ioc"
    id = "78672e3b-6f76-573a-8a9a-610334baa389"
  strings:
    // x64 default eop utf16
    $h01 = { FC 00 48 00 83 00 E4 00 F0 00 E8 00 C8 00 00 00 00 00 00 00 41 00 51 00 41 00 50 00 52 00 51 00 56 00 48 00 31 00 D2 00 65 00 48 00 8B 00 52 }
  condition:
    uint32(@h01+0x01d5) == 0x07002600 and
    uint32(@h01+0x0205) == 0xa7007900 and
    uint32(@h01+0x0243) == 0xc6009f00 and
    uint32(@h01+0x0281) == 0x3b002e00 and
    uint32(@h01+0x02c9) == 0x7b001800 and
    uint32(@h01+0x0613) == 0x5600a200 and
    uint32(@h01+0x064b) == 0xe5005300 and
    uint32(@h01+0x0687) == 0xe2008900
}

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