YARA · BlackBerry Research & Intelligence (via Open-Source-YARA-rules)
BLACKBERRY_Snake
Detects Snake
- Author
- BlackBerry Threat Research Team
- Date
- 2022-06-03
- Modified
- 2022-07-07
- Score / Quality
- 75 / 85
What this rule detects
Detects Snake
It defines 3 patterns (3 text, 0 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
rule BLACKBERRY_Snake : FILE
{
meta:
= "Detects Snake"
= "BlackBerry Threat Research Team"
= "a8169a4e-4acd-5e54-915f-af1ff7f4cb1a"
= "2022-06-03"
= "2022-07-07"
= "https://blogs.blackberry.com/en/2022/06/threat-thursday-unique-delivery-method-for-snake-keylogger"
= "https://github.com/mikesxrs/Open-Source-YARA-rules/blob/ec0056f767db98bf6d5fd63877ad51fb54d350e9/Blackberry/Snake.yar#L1-L19"
= "N/A"
= "70ba9a649f9926fd204d45eafd42ce639811552c132b743367d2ba8ebaf3ee63"
= 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 = "Game1Screen_Form_Load"
$s2 = "get_KeyCode"
$s3 = "Good luck mate"
condition:
filesize < 1000KB and all of them
}
Strings (3 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $s1 | text | "Game1Screen_Form_Load" | |
| $s2 | text | "get_KeyCode" | |
| $s3 | text | "Good luck mate" |
Condition
filesize < 1000KB and all of themIn plain words (Heuristic)
- The file must be smaller than 1000KB (a cheap guard that skips large files).
- All patterns in the rule 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: a8169a4e-4acd-5e54-915f-af1ff7f4cb1a
Tags:FILE
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