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SEKOIA_Crime_Sload_Scheduledtask_Dropper_Strings

No description has been set in the source file - SEKOIA

MalwareSEKOIA.IO CommunityDetection Rule License 1.1Compiles with YARA-X (with warnings)
Author
Sekoia.io
Date
2022-08-02
Modified
2024-12-19
Score / Quality
75 / 78

What this rule detects

No description has been set in the source file - SEKOIA

It defines 3 patterns (1 text, 2 hex, 0 regex).

YARA-X says: warning[text_as_hex]: hex pattern could be written as text literal

Summary generated from the rule's metadata and condition.

Rule source

crime-sload-scheduledtask-dropper-strings.yarDetection Rule License 1.1
rule SEKOIA_Crime_Sload_Scheduledtask_Dropper_Strings
{
	meta:
		description = "No description has been set in the source file - SEKOIA"
		author = "Sekoia.io"
		id = "01c51da8-71a5-449f-a609-933c37bc2e63"
		date = "2022-08-02"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/crime_sload_scheduledtask_dropper_strings.yar#L1-L16"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "3a48009933d1de47314ec15c262375636574a7565016eab3792106fa2c0ba79f"
		score = 75
		quality = 78
		tags = ""
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = "$hh='hi'+'dd'+'en';"
		$ = { 7D 65 6C 73 65 7B 0A 24 72 73 3D 30 3B 0A 7D 0A }
		$ = { 6B 69 6C 6C 20 2D 6E 61 6D 65 20 2A 77 65 72 73 68 65 6C 2A }

	condition:
		all of them
}

Strings (3 patterns)

IdentifierTypeValueModifiers
$text"$hh='hi'+'dd'+'en';"
$hex{ 7D 65 6C 73 65 7B 0A 24 72 73 3D 30 3B 0A 7D 0A }
$hex{ 6B 69 6C 6C 20 2D 6E 61 6D 65 20 2A 77 65 72 73 68 65 6C 2A }

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: 01c51da8-71a5-449f-a609-933c37bc2e63

Metadata

version1.0
classificationTLP:CLEAR