Skip to content

YARA · BlackBerry Research & Intelligence (via Open-Source-YARA-rules)

BLACKBERRY_Eternityclipper

Detects Eternity Clipper

GenericBlackBerry Research & Intelligence (via Open-Source-YARA-rules)Apache License 2.0Compiles with YARA-X
Author
BlackBerry Threat Research Team
Date
2022-05-22
Modified
2022-07-07
Score / Quality
75 / 85

What this rule detects

Detects Eternity Clipper

Targets: Windows PE.

It defines 7 patterns (7 text, 0 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

eternityclipper.yarApache License 2.0
rule BLACKBERRY_Eternityclipper : FILE
{
	meta:
		description = "Detects Eternity Clipper"
		author = "BlackBerry Threat Research Team"
		id = "18aedf62-2062-5f3a-a4b2-6c647efcf85b"
		date = "2022-05-22"
		modified = "2022-07-07"
		reference = "https://blogs.blackberry.com/en/2022/06/threat-spotlight-eternity-project-maas-goes-on-and-on"
		source_url = "https://github.com/mikesxrs/Open-Source-YARA-rules/blob/ec0056f767db98bf6d5fd63877ad51fb54d350e9/Blackberry/EternityClipper.yar#L4-L30"
		license_url = "N/A"
		logic_hash = "bb766a8bcb0f31babdc12ceac9bb56b8b6a25119ec713fe30b99ed975f4b7a39"
		score = 75
		quality = 85
		tags = "FILE"
		license = "This Yara rule is provided under the Apache License 2.0 (https://www.apache.org/licenses/LICENSE-2.0) and open to any user or organization, as long as you use it under this license and ensure originator credit in any derivative to The BlackBerry Research & Intelligence Team"

	strings:
		$s1 = "CopyFromScreen"
		$s2 = "CaptureDesktop"
		$s3 = "Win32Clipboard"
		$s4 = "Clipboard Manager"
		$s5 = "Eternity.exe" wide
		$s6 = "AddClipboardFormatListener"
		$s7 = "AesCryptoServiceProvider"

	condition:
		( uint16( 0 ) == 0x5a4d and all of ( $s* ) )
}

Strings (7 patterns)

IdentifierTypeValueModifiers
$s1text"CopyFromScreen"
$s2text"CaptureDesktop"
$s3text"Win32Clipboard"
$s4text"Clipboard Manager"
$s5text"Eternity.exe"wide
$s6text"AddClipboardFormatListener"
$s7text"AesCryptoServiceProvider"

Condition

( uint16( 0 ) == 0x5a4d and all of ( $s* ) )

In plain words (Heuristic)

  • The file must start with “MZ” — a Windows executable (PE).
  • All patterns in ( $s* ) 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.

Open in editor

References

Licence & attribution

Author: BlackBerry Threat Research Team

Source repository: BlackBerry Research & Intelligence (via Open-Source-YARA-rules) @ ec0056f767

Licence: Apache License 2.0 (stated in the rule's own meta)

“This Yara rule is provided under the Apache License 2.0 (https://www.apache.org/licenses/LICENSE-2.0) and open to any user or organization, as long as you use it under this license and ensure originator credit in any derivative to The BlackBerry Research & Intelligence Team”

Original rule

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

Rule id: 18aedf62-2062-5f3a-a4b2-6c647efcf85b

Tags:FILE

  • MalwareBlackBerry Research & Intelligence (via Open-Source-YARA-rules)· BlackBerry Threat Research Team· 2022-04-06
  • MalwareBlackBerry Research & Intelligence (via Open-Source-YARA-rules)· BlackBerry Threat Research Team· 2022-06-14
  • MalwareBlackBerry Research & Intelligence (via Open-Source-YARA-rules)· BlackBerry Threat Research Team· 2022-06-14
  • GenericBlackBerry Research & Intelligence (via Open-Source-YARA-rules)· BlackBerry Threat Research Team· 2022-04-13
  • MalwareBlackBerry Research & Intelligence (via Open-Source-YARA-rules)· BlackBerry Threat Research Team· 2022-05-22
  • MalwareBlackBerry Research & Intelligence (via Open-Source-YARA-rules)· BlackBerry Threat Research Team· 2022-05-22
  • GenericBlackBerry Research & Intelligence (via Open-Source-YARA-rules)· BlackBerry Threat Research Team· 2022-05-22
  • GenericBlackBerry Research & Intelligence (via Open-Source-YARA-rules)· BlackBerry Threat Research Team· 2022-06-03