Cobaltbaltstrike_RAW_Payload_smb_stager_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+0x0145) == 0xe5005300 and
    uint32(@h01+0x018b) == 0xd400df00 and
    uint32(@h01+0x01a7) == 0xe2007d00 and
    uint32(@h01+0x01f3) == 0xbb005f00 and
    uint32(@h01+0x021d) == 0xbb005f00 and
    uint32(@h01+0x0265) == 0xfc00dd00 and
    uint32(@h01+0x0275) == 0x52008700 and
    uint32(@h01+0x0299) == 0x5600a200
Raw source Cobaltbaltstrike_RAW_Payload_smb_stager_x86_UTF16 · YARA
Esc
Published by Neo23x0/signature-base ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
rule Cobaltbaltstrike_RAW_Payload_smb_stager_x86_UTF16
{
  meta:
    author = "Avast Threat Intel Team"
    description = "Detects CobaltStrike payloads"
    reference = "https://github.com/avast/ioc"
    id = "d88e050f-9e6c-5349-b809-ad7dc25a79b9"
  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+0x0145) == 0xe5005300 and
    uint32(@h01+0x018b) == 0xd400df00 and
    uint32(@h01+0x01a7) == 0xe2007d00 and
    uint32(@h01+0x01f3) == 0xbb005f00 and
    uint32(@h01+0x021d) == 0xbb005f00 and
    uint32(@h01+0x0265) == 0xfc00dd00 and
    uint32(@h01+0x0275) == 0x52008700 and
    uint32(@h01+0x0299) == 0x5600a200
}

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