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YARA · HarfangLab IOCs

HARFANGLAB_Trr260101_Sloppymio

Detects SloppyMIO, a C# implant leveraged by an Iranian threat actor in January 2026.

APT / threat actorHarfangLab IOCsNo licence (all rights reserved)Compiles with YARA-X
Author
HarfangLab
Date
2026-01-28
Modified
2026-05-18
Score / Quality
75 / 78

What this rule detects

Detects SloppyMIO, a C# implant leveraged by an Iranian threat actor in January 2026.

Targets: Windows PE.

It defines 28 patterns (28 text, 0 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

Rule text not reproduced

This rule comes from HarfangLab IOCs, which does not grant a licence to redistribute its rules (No licence (all rights reserved)). We show its metadata only. Read the original rule upstream:

View the rule on GitHubOpen the repository

Sample hashes

Hashes of samples the author lists in the rule's meta (look them up in your threat-intelligence platform).

  • 6d474cf5aeb58a60f2f7c4d47143cc5a11a5c7f17a6b43263723d337231c3d60

Licence & attribution

Author: HarfangLab

Source repository: HarfangLab IOCs @ 3e2b674bf2

Licence: No licence (all rights reserved) (repository licence)

Original rule

Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.

Rule id: 20448ee1-67ac-58fe-b902-edbca425a3b8

Metadata

contextfile

Tags:FILE

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