Ceplin Command Identifier

Identifier / Programs / Windows

iediagcmd.exe

Diagnostics utility for Internet Explorer file version info (xCyclopedia)

LOLBAS Execute 1 ATT&CK technique 1 documented command 2 known copies with hashes

Opens the identifier with your command. It is read in your browser and sent nowhere.

How iediagcmd.exe is abused

documented by LOLBAS

Execute T1218 System Binary Proxy Execution

cd

-out

Each abuse is LOLBAS's category and the options and words it uses; the full write-up is on LOLBAS's page for iediagcmd.exe.

1 documented command

from LOLBAS, each read by the identifier

Execute T1218 System Binary Proxy Execution User privileges

Executes binary that is pre-planted at C:\test\system32\netsh.exe.

set windir=c:\test& cd "C:\Program Files\Internet Explorer\" & iediagcmd.exe /out:{PATH_ABSOLUTE:.cab}
Identify

The command the identifier reads trips no Sigma process-creation rule. These commands and their descriptions are from LOLBAS’s entry for iediagcmd.exe, by manasmbellani, at commit 2056cb766250 of 2026-09-26, under the GPL-3.0 and LOLBAS’s notice, with no warranty. Changed: Markdown is shown formatted. The source is in lolbas-gtfobins-commands.json.gz, and the full entry is on LOLBAS’s page for iediagcmd.exe. The identifier reads it with LOLBAS’s placeholders filled in: a URL as https://example.com/file, a share as \\192.0.2.10\share\file, a path as C:\Data\file and a command as calc.exe.

What detects it

Sigma process creation rules
T1218System Binary Proxy Execution

Is it the real iediagcmd.exe?

file version info and known copies
Installed inC:\Program Files\internet explorer\
Signed byMicrosoft Windows
ProductInternet Explorer, Microsoft Corporation
DescriptionDiagnostics utility for Internet Explorer

2 known copies

11.00.19041.1 (WinBuild.160101.0800) · C:\Program Files\Internet Explorer\iediagcmd.exe · signed by Microsoft Windows

c6aa1294f6a5aa52dc8ca2800065f22f7a0a8b5c1f5ec3e1761145d2e12024be

11.00.17763.1432 (WinBuild.160101.0800) · C:\Program Files\internet explorer\iediagcmd.exe · signed by Microsoft Windows

a39a27b095053ac89717cc70650a432b2428785bbd9f7c9f1ffd8f96519d5e78

From the file’s version info and the copies recorded by xCyclopedia (MIT). A copy in another folder, signed by someone else or with another hash is not necessarily malicious, but it is worth a closer look. In Ceplin, "<sha256>".whatis() says which known copy a hash is.