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SEKOIA_Apt_Scanbox_Obfuscated_Versions

Detects obfuscated versions of the scanbox framework

APT / threat actorSEKOIA.IO CommunityDetection Rule License 1.1Compiles with YARA-X
Author
Sekoia.io
Date
2022-09-01
Modified
2024-12-19
Score / Quality
75 / 80

What this rule detects

Detects obfuscated versions of the scanbox framework

It defines 6 patterns (6 text, 0 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

apt-scanbox-obfuscated-versions.yarDetection Rule License 1.1
rule SEKOIA_Apt_Scanbox_Obfuscated_Versions : FILE
{
	meta:
		description = "Detects obfuscated versions of the scanbox framework"
		author = "Sekoia.io"
		id = "2866cead-7f16-4895-80ef-aad6fb66e864"
		date = "2022-09-01"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/apt_scanbox_obfuscated_versions.yar#L1-L20"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "0395d1ac9a593aa8249f6d16c485e431349cecf2f379d2b5bac466541f71968c"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = "$_$_$_$__$_____$__$_$_$_$__$"
		$ = "NztCm_NcDkh"
		$ = "____$_$__$__$_______w____$_$__$__$_____i____$_$__$__$_____"
		$ = "391,379,398,381,386"
		$ = "plguinurl"
		$ = "plugin_timeout*1000"

	condition:
		2 of them and filesize < 500KB
}

Strings (6 patterns)

IdentifierTypeValueModifiers
$text"$_$_$_$__$_____$__$_$_$_$__$"
$text"NztCm_NcDkh"
$text"____$_$__$__$_______w____$_$__$__$_____i____$_$__$__$_____"
$text"391,379,398,381,386"
$text"plguinurl"
$text"plugin_timeout*1000"

Condition

2 of them and filesize < 500KB

In plain words (Heuristic)

  • The file must be smaller than 500KB (a cheap guard that skips large files).
  • At least 2 patterns in the rule must match.

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References

Licence & attribution

Author: Sekoia.io

Source repository: SEKOIA.IO Community @ a438a5901a

Licence: Detection Rule License 1.1 (repository licence)

Original rule

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

Rule id: 2866cead-7f16-4895-80ef-aad6fb66e864

Metadata

version1.0
classificationTLP:CLEAR

Tags:FILE