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SEKOIA_Apt_Spikedwine_Malicious_Hta

Detects malicious HTA used by SPIKEDWINE

APT / threat actorSEKOIA.IO CommunityDetection Rule License 1.1Compiles with YARA-X
Author
Sekoia.io
Date
2024-02-29
Modified
2024-12-19
Score / Quality
75 / 80

What this rule detects

Detects malicious HTA used by SPIKEDWINE

It defines 3 patterns (3 text, 0 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

apt-spikedwine-malicious-hta.yarDetection Rule License 1.1
rule SEKOIA_Apt_Spikedwine_Malicious_Hta
{
	meta:
		description = "Detects malicious HTA used by SPIKEDWINE"
		author = "Sekoia.io"
		id = "e4526142-d98a-bf35-9d2c-ca2e83638c4b"
		date = "2024-02-29"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/apt_spikedwine_malicious_hta.yar#L1-L17"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "305896cde5d95c29de511541a961063730709d40d67a8788f084c17f181e3baf"
		score = 75
		quality = 80
		tags = ""
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = "<HTA:APPLICATION ID=" nocase
		$ = "return _0x"
		$ = "font-size: 18px;"

	condition:
		all of them
}

Strings (3 patterns)

IdentifierTypeValueModifiers
$text"<HTA:APPLICATION ID="nocase
$text"return _0x"
$text"font-size: 18px;"

Condition

all of them

In plain words (Heuristic)

  • All 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: e4526142-d98a-bf35-9d2c-ca2e83638c4b

Metadata

version1.0
classificationTLP:CLEAR