自动化接入 · API / MCP EN

技术说明 · T1564.010

Process Argument Spoofing

Adversaries may attempt to hide process command-line arguments by overwriting process memory. Process command-line arguments are stored in the process environment block (PEB), a data structure used by Windows to store various information about/used by a process. The PEB includes the process command-line arguments that are referenced when executing the process. When a process is created, defensive tools/sensors that monitor process creations may retrieve the process arguments from the PEB. Adversaries may manipulate a process PEB to evade defenses. For example, Process Hollowing can be abused to spawn a process in a suspended state with benign arguments. After the process is spawned and the PEB is initialized (and process information is potentially logged by tools/sensors), adversaries may override the PEB to modify the command-line arguments (ex: using the Native API <code>WriteProcessMemory()</code> function) then resume process execution with malicious arguments. Adversaries may also execute a process with malicious command-line arguments then patch the memory with benign arguments that may bypass subsequent process memory analysis. This behavior may also be combined with other tricks (such as Parent PID Spoofing) to manipulate or further evade process-based detections.

ATT&CK T1564.010 platforms — 状态 有效 版本 20.1

Adversaries may attempt to hide process command-line arguments by overwriting process memory. Process command-line arguments are stored in the process environment block (PEB), a data structure used by Windows to store various information about/used by a process. The PEB includes the process command-line arguments that are referenced when executing the process. When a process is created, defensive tools/sensors that monitor process creations may retrieve the process arguments from the PEB.12 Adversaries may manipulate a process PEB to evade defenses. For example, Process Hollowing can be abused to spawn a process in a suspended state with benign arguments. After the process is spawned and the PEB is initialized (and process information is potentially logged by tools/sensors), adversaries may override the PEB to modify the command-line arguments (ex: using the Native API <code>WriteProcessMemory()</code> function) then resume process execution with malicious arguments.345 Adversaries may also execute a process with malicious command-line arguments then patch the memory with benign arguments that may bypass subsequent process memory analysis.6 This behavior may also be combined with other tricks (such as Parent PID Spoofing) to manipulate or further evade process-based detections.

  1. Microsoft PEB 2021
  2. Xpn Argue Like Cobalt 2019
  3. Cobalt Strike Arguments 2019
  4. Xpn Argue Like Cobalt 2019
  5. Nviso Spoof Command Line 2020
  6. FireEye FiveHands April 2021

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