YARA · Volexity threat-intel
VOLEXITY_Apt_Malware_Win_Lightspy_Orchestrator_Decoded_Core
Detects the decoded orchestrator for the Windows variant of the LightSpy malware family. This file is normally stored in an encoded state on the C2 server and is used as the core component of this malware family, loading additional plugins from the C2 whilst managing all the C2 communication etc.
- Autor
- threatintel@volexity.com
- Datum
- 2024-02-15
- Geändert
- 2024-07-03
- Score / Qualität
- 75 / 78
Was diese Regel erkennt
Detects the decoded orchestrator for the Windows variant of the LightSpy malware family. This file is normally stored in an encoded state on the C2 server and is used as the core component of this malware family, loading additional plugins from the C2 whilst managing all the C2 communication etc.
Sie definiert 21 Muster (21 Text, 0 Hex, 0 Regex).
Zusammenfassung aus den Metadaten und der Bedingung der Regel erzeugt.
Regelquelltext
rule VOLEXITY_Apt_Malware_Win_Lightspy_Orchestrator_Decoded_Core : BRAZENBAMBOO FILE MEMORY
{
meta:
= "Detects the decoded orchestrator for the Windows variant of the LightSpy malware family. This file is normally stored in an encoded state on the C2 server and is used as the core component of this malware family, loading additional plugins from the C2 whilst managing all the C2 communication etc."
= "threatintel@volexity.com"
= "44f8d7a4-7f48-5960-91a7-baf475f7d291"
= "2024-02-15"
= "2024-07-03"
= "https://github.com/volexity/threat-intel"
= "https://github.com/volexity/threat-intel/blob/3a9d0b52459877ee866a9a0ba06e60059b778c77/2024/2024-11-15 BrazenBamboo/rules.yar#L244-L287"
= "https://github.com/volexity/threat-intel/blob/3a9d0b52459877ee866a9a0ba06e60059b778c77/LICENSE.txt"
= "80c0cdb1db961c76de7e4efb6aced8a52cd0e34178660ef34c128be5f0d587df"
= "f0189c0a84c53e365130e9683f2f2b2f73c14412d8e4d0251a4780d0e80162d8"
= 75
= 78
= "BRAZENBAMBOO, FILE, MEMORY"
= "win"
= "all"
= "file,memory"
= "critical"
= "See license at https://github.com/volexity/threat-intel/blob/main/LICENSE.txt"
= 10246
= 2
strings:
$s1 = "Enter RunWork......."
$s2 = "it's running......."
$s3 = "select ret = socket_error."
$s4 = "%s\\\\account.bin"
$s5 = "[CtrlLink]: get machine sn err:%d"
$s6 = "wmic path Win32_VideoController get CurrentHorizontalResolution,CurrentVerticalResolution /format:list | findstr /v \\\"^$\\\""
$s7 = "wmic csproduct get vendor,version /format:list | findstr /v \\\"^$\\\""
$s8 = "local ip get sockname error=%d"
$s9 = "connect goole dns error=%d"
$s10 = "%s/api/terminal/upsert/"
$s11 = "/963852741/windows/plugin/manifest"
$s12 = "Hello deepdata."
$s13 = "Start Light."
$s14 = "InitialPluginManager Error."
$s15 = "InitialCommandExe Error."
$s16 = "ws open, and send logon info."
$s17 = "plugin_replay_handler"
$s18 = "light_x86.dll"
$pdb1 = "\\light\\bin\\light_x86.pdb"
$pdb2 = "\\light\\bin\\plugin"
$pdb3 = "D:\\tmpWork\\"
condition:
1 of ( $pdb* ) or 5 of ( $s* )
}
Strings (21 Muster)
| Bezeichner | Typ | Wert | Modifikatoren |
|---|---|---|---|
| $s1 | Text | "Enter RunWork......." | |
| $s2 | Text | "it's running......." | |
| $s3 | Text | "select ret = socket_error." | |
| $s4 | Text | "%s\\\\account.bin" | |
| $s5 | Text | "[CtrlLink]: get machine sn err:%d" | |
| $s6 | Text | "wmic path Win32_VideoController get CurrentHorizontalResolution,CurrentVerticalResolution /format:list | findstr /v \\\"^$\\\"" | |
| $s7 | Text | "wmic csproduct get vendor,version /format:list | findstr /v \\\"^$\\\"" | |
| $s8 | Text | "local ip get sockname error=%d" | |
| $s9 | Text | "connect goole dns error=%d" | |
| $s10 | Text | "%s/api/terminal/upsert/" | |
| $s11 | Text | "/963852741/windows/plugin/manifest" | |
| $s12 | Text | "Hello deepdata." | |
| $s13 | Text | "Start Light." | |
| $s14 | Text | "InitialPluginManager Error." | |
| $s15 | Text | "InitialCommandExe Error." | |
| $s16 | Text | "ws open, and send logon info." | |
| $s17 | Text | "plugin_replay_handler" | |
| $s18 | Text | "light_x86.dll" | |
| $pdb1 | Text | "\\light\\bin\\light_x86.pdb" | |
| $pdb2 | Text | "\\light\\bin\\plugin" | |
| $pdb3 | Text | "D:\\tmpWork\\" |
Bedingung
1 of ( $pdb* ) or 5 of ( $s* )In Worten (Heuristik)
- Mindestens 1 Muster aus ( $pdb* ) müssen treffen.
- Mindestens 5 Muster aus ( $s* ) müssen treffen.
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Referenzen
Proben-Hashes
Hashes der Proben, die der Autor in den Metadaten der Regel nennt (in Ihrer Threat-Intelligence-Plattform nachschlagen).
- 80c0cdb1db961c76de7e4efb6aced8a52cd0e34178660ef34c128be5f0d587df
Lizenz & Namensnennung
Autor: threatintel@volexity.com
Quell-Repository: Volexity threat-intel @ 3a9d0b5245
Lizenz: BSD 2-Clause License (in den Metadaten der Regel angegeben)
“See license at https://github.com/volexity/threat-intel/blob/main/LICENSE.txt”
Copyright-Hinweis: Copyright 2022 by Volexity, Inc.
Gespiegelt über YARA Forge 20260927, das Regelnamen mit der Quelle präfixiert und normalisierte Meta-Felder ergänzt.
Regel-ID: 44f8d7a4-7f48-5960-91a7-baf475f7d291
Metadaten
| os | win |
|---|---|
| os_arch | all |
| scan_context | file,memory |
| severity | critical |
| rule_id | 10246 |
| version | 2 |
Verwandte Regeln
- APT / AkteurVolexity threat-intel· threatintel@volexity.com· 2024-07-30
- APT / AkteurVolexity threat-intel· threatintel@volexity.com· 2024-02-15
- APT / AkteurVolexity threat-intel· threatintel@volexity.com· 2023-07-21
- APT / AkteurVolexity threat-intel· threatintel@volexity.com· 2023-08-17
- APT / AkteurVolexity threat-intel· threatintel@volexity.com· 2023-03-30
- APT / AkteurVolexity threat-intel· threatintel@volexity.com· 2022-11-03
- APT / AkteurVolexity threat-intel· threatintel@volexity.com· 2022-11-02
- APT / AkteurVolexity threat-intel· threatintel@volexity.com· 2022-11-03