YARA · Mandiant red team tool countermeasures
FIREEYE_RT_APT_Loader_MSIL_TRIMBISHOP_1
No description has been set in the source file - FireEye-RT
- Autor
- FireEye
- Datum
- 2020-12-03
- Geändert
- 2020-12-09
- Score / Qualität
- 75 / 75
Was diese Regel erkennt
No description has been set in the source file - FireEye-RT
Ziele: Windows-PE.
Sie definiert 7 Muster (5 Text, 2 Hex, 0 Regex).
Zusammenfassung aus den Metadaten und der Bedingung der Regel erzeugt.
Regelquelltext
rule FIREEYE_RT_APT_Loader_MSIL_TRIMBISHOP_1 : FILE
{
meta:
= "No description has been set in the source file - FireEye-RT"
= "FireEye"
= "1a3f4247-25f4-51ca-b881-209c0753b915"
= "2020-12-03"
= "2020-12-03"
= "2020-12-09"
= "https://github.com/mandiant/red_team_tool_countermeasures/"
= "https://github.com/mandiant/red_team_tool_countermeasures//blob/3561b71724dbfa3e2bb78106aaa2d7f8b892c43b/rules/TRIMBISHOP/production/yara/APT_Loader_MSIL_TRIMBISHOP_1.yar#L4-L22"
= "https://github.com/mandiant/red_team_tool_countermeasures//blob/3561b71724dbfa3e2bb78106aaa2d7f8b892c43b/LICENSE.txt"
= "e91670423930cbbd3dbf5eac1f1a7cb6"
= "f020efff58c8b7761d700c662c422a9e1ffdf8fe5f6648e421b7c257e3b8d078"
= 75
= 75
= "FILE"
= 1
strings:
$sb1 = { 28 [2] 00 06 0A 06 7B [2] 00 04 [12-64] 06 7B [2] 00 04 6E 28 [2] 00 06 0B 07 7B [2] 00 04 [12-64] 0? 7B [2] 00 04 0? 7B [2] 00 04 0? 7B [2] 00 04 6E 28 [2] 00 06 0? 0? 7B [2] 00 04 [12-80] 0? 7B [2] 00 04 1? 0? 7B [2] 00 04 }
$sb2 = { 0F ?? 7C [2] 00 04 28 [2] 00 0A 8C [2] 00 01 [20-80] 28 [2] 00 06 0? 0? 7E [2] 00 0A 28 [2] 00 0A [12-80] 7E [2] 00 0A 13 ?? 0? 7B [2] 00 04 28 [2] 00 0A 0? 28 [2] 00 0A 58 28 [2] 00 0A 13 [1-32] 28 [2] 00 0A [0-32] D0 [2] 00 02 28 [2] 00 0A 28 [2] 00 0A 74 [2] 00 02 }
$ss1 = "\x00NtMapViewOfSection\x00"
$ss2 = "\x00NtOpenProcess\x00"
$ss3 = "\x00NtAlertResumeThread\x00"
$ss4 = "\x00LdrGetProcedureAddress\x00"
$tb1 = "\x00DTrim.Execution.DynamicInvoke\x00"
condition:
( uint16( 0 ) == 0x5A4D and uint32( uint32( 0x3C ) ) == 0x00004550 ) and ( @sb1 [ 1 ] < @sb2 [ 1 ] ) and ( all of ( $ss* ) ) and ( all of ( $tb* ) )
}
Strings (7 Muster)
| Bezeichner | Typ | Wert | Modifikatoren |
|---|---|---|---|
| $sb1 | Hex | { 28 [2] 00 06 0A 06 7B [2] 00 04 [12-64] 06 7B [2] 00 04 6E 28 [2] 00 06 0B 07 7B [2] 00 04 [12-64] 0? 7B [2] 00 04 0? 7B [2] 00 04 0? 7B [2] 00 04 6E 28 [2] 0 … | |
| $sb2 | Hex | { 0F ?? 7C [2] 00 04 28 [2] 00 0A 8C [2] 00 01 [20-80] 28 [2] 00 06 0? 0? 7E [2] 00 0A 28 [2] 00 0A [12-80] 7E [2] 00 0A 13 ?? 0? 7B [2] 00 04 28 [2] 00 0A 0? 2 … | |
| $ss1 | Text | "\x00NtMapViewOfSection\x00" | |
| $ss2 | Text | "\x00NtOpenProcess\x00" | |
| $ss3 | Text | "\x00NtAlertResumeThread\x00" | |
| $ss4 | Text | "\x00LdrGetProcedureAddress\x00" | |
| $tb1 | Text | "\x00DTrim.Execution.DynamicInvoke\x00" |
Bedingung
( uint16( 0 ) == 0x5A4D and uint32( uint32( 0x3C ) ) == 0x00004550 ) and ( @sb1 [ 1 ] < @sb2 [ 1 ] ) and ( all of ( $ss* ) ) and ( all of ( $tb* ) )In Worten (Heuristik)
- Die Datei muss mit „MZ“ beginnen — eine Windows-Programmdatei (PE).
- Alle Muster aus ( $ss* ) müssen treffen.
- Alle Muster aus ( $tb* ) müssen treffen.
Diese Regel im Browser testen
Legen Sie eine Datei ab, um sie mit dieser Regel und YARA-X als WebAssembly zu scannen. Nichts wird hochgeladen.
Proben-Hashes
Hashes der Proben, die der Autor in den Metadaten der Regel nennt (in Ihrer Threat-Intelligence-Plattform nachschlagen).
- e91670423930cbbd3dbf5eac1f1a7cb6
Lizenz & Namensnennung
Autor: FireEye
Quell-Repository: Mandiant red team tool countermeasures @ 3561b71724
Lizenz: BSD 2-Clause License (Repository-Lizenz)
Copyright-Hinweis: Copyright (c) 2023, MANDIANT
Gespiegelt über YARA Forge 20260927, das Regelnamen mit der Quelle präfixiert und normalisierte Meta-Felder ergänzt.
Regel-ID: 1a3f4247-25f4-51ca-b881-209c0753b915
Metadaten
| rev | 1 |
|---|
Tags:FILE
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