YARA · BlackBerry Research & Intelligence (via Open-Source-YARA-rules)
BLACKBERRY_Eternityclipper
Detects Eternity Clipper
- 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
rule BLACKBERRY_Eternityclipper : FILE
{
meta:
= "Detects Eternity Clipper"
= "BlackBerry Threat Research Team"
= "18aedf62-2062-5f3a-a4b2-6c647efcf85b"
= "2022-05-22"
= "2022-07-07"
= "https://blogs.blackberry.com/en/2022/06/threat-spotlight-eternity-project-maas-goes-on-and-on"
= "https://github.com/mikesxrs/Open-Source-YARA-rules/blob/ec0056f767db98bf6d5fd63877ad51fb54d350e9/Blackberry/EternityClipper.yar#L4-L30"
= "N/A"
= "bb766a8bcb0f31babdc12ceac9bb56b8b6a25119ec713fe30b99ed975f4b7a39"
= 75
= 85
= "FILE"
= "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)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $s1 | text | "CopyFromScreen" | |
| $s2 | text | "CaptureDesktop" | |
| $s3 | text | "Win32Clipboard" | |
| $s4 | text | "Clipboard Manager" | |
| $s5 | text | "Eternity.exe" | wide |
| $s6 | text | "AddClipboardFormatListener" | |
| $s7 | text | "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.
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”
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
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