YARA · SEKOIA.IO Community
SEKOIA_Storm_1811_Files_Dat
Detects files used in a campaign performed by the intrusion set Storm-1811
- Author
- Sekoia.io
- Date
- 2024-06-10
- Modified
- 2024-12-19
- Score / Quality
- 75 / 80
What this rule detects
Detects files used in a campaign performed by the intrusion set Storm-1811
It defines 10 patterns (10 text, 0 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
storm-1811-files-dat.yarDetection Rule License 1.1
rule SEKOIA_Storm_1811_Files_Dat
{
meta:
= "Detects files used in a campaign performed by the intrusion set Storm-1811"
= "Sekoia.io"
= "8b14f276-0c39-422b-9b19-d96b139a7ae8"
= "2024-06-10"
= "2024-12-19"
= "https://github.com/SEKOIA-IO/Community"
= "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/storm_1811_files_dat.yar#L1-L24"
= "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
= "d1d5b76671cefe8b876ca8df50205a04ebbcd973f115919b901f6a7946492904"
= 75
= 80
= ""
= "1.0"
= "TLP:CLEAR"
strings:
$s1 = "RuntimeBroker" ascii fullword
$s2 = "InstallSpamFilters" ascii fullword
$s3 = "newfile333.txt" ascii fullword
$s4 = "Installing spam filter kb_outlook" ascii fullword
$s5 = "s.zip" ascii fullword
$s6 = "Update completed" ascii fullword
$s7 = "Updates installed" ascii fullword
$s8 = "update_log.tgz uploaded ok" ascii fullword
$s9 = "HKCU\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run" ascii fullword
$s10 = "runtimebroker_connect" ascii fullword
condition:
5 of them
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $s1 | text | "RuntimeBroker" | ascii fullword |
| $s2 | text | "InstallSpamFilters" | ascii fullword |
| $s3 | text | "newfile333.txt" | ascii fullword |
| $s4 | text | "Installing spam filter kb_outlook" | ascii fullword |
| $s5 | text | "s.zip" | ascii fullword |
| $s6 | text | "Update completed" | ascii fullword |
| $s7 | text | "Updates installed" | ascii fullword |
| $s8 | text | "update_log.tgz uploaded ok" | ascii fullword |
| $s9 | text | "HKCU\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run" | ascii fullword |
| $s10 | text | "runtimebroker_connect" | ascii fullword |
Condition
5 of themIn plain words (Heuristic)
- At least 5 patterns in the rule must match.
Test this rule in your browser
Drop a file to scan it with this rule using YARA-X compiled to WebAssembly. Nothing is uploaded.
Drop a file here or click to chooseScanned locally with YARA-X. Files up to 200 MB.
References
Licence & attribution
Author: Sekoia.io
Source repository: SEKOIA.IO Community @ a438a5901a
Licence: Detection Rule License 1.1 (repository licence)
Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.
Rule id: 8b14f276-0c39-422b-9b19-d96b139a7ae8
Metadata
| version | 1.0 |
|---|---|
| classification | TLP:CLEAR |
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