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
How iediagcmd.exe is abused
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
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}IdentifyThe 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
Is it the real iediagcmd.exe?
C:\Program Files\internet explorer\2 known copies
11.00.19041.1 (WinBuild.160101.0800) · C:\Program Files\Internet Explorer\iediagcmd.exe · signed by Microsoft Windows
c6aa1294f6a5aa52dc8ca2800065f22f7a0a8b5c1f5ec3e1761145d2e12024be11.00.17763.1432 (WinBuild.160101.0800) · C:\Program Files\internet explorer\iediagcmd.exe · signed by Microsoft Windows
a39a27b095053ac89717cc70650a432b2428785bbd9f7c9f1ffd8f96519d5e78From 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.