YARA · SEKOIA.IO Community
SEKOIA_Tool_Win_Driverjack
No description has been set in the source file - SEKOIA
- Author
- Sekoia.io
- Date
- 2024-09-11
- Modified
- 2024-12-19
- Score / Quality
- 75 / 80
What this rule detects
No description has been set in the source file - SEKOIA
Targets: Windows PE.
It defines 5 patterns (5 text, 0 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
tool-win-driverjack.yarDetection Rule License 1.1
rule SEKOIA_Tool_Win_Driverjack : FILE
{
meta:
= "No description has been set in the source file - SEKOIA"
= "Sekoia.io"
= "08bc0fe8-38f1-4c73-99c8-2659b4a55815"
= "2024-09-11"
= "2024-12-19"
= "https://github.com/klezVirus/DriverJack/blob/master/DriverJack"
= "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/tool_win_driverjack.yar#L1-L20"
= "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
= "649fc12915bdcdebbc3798a8ad0b9b32"
= "0ea81c32b75ff66434f0c949be7d1478ce9268eb1b67dc5b7d6c7604cedcd72c"
= 75
= 80
= "FILE"
= "1.0"
= "TLP:CLEAR"
strings:
$ = "(*) Decrypting %llu bytes of file content using key '%s' of length %u..."
$ = "(*) Modifying file %s in mapped drive..."
$ = "(*) Checking file %s in mapped drive..."
$ = "(-) CreateProcess failed '%s' (%08x)."
$ = "(*) Mounted Drive Letter: %s"
condition:
uint16be( 0 ) == 0x4d5a and all of them
}
Strings (5 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $ | text | "(*) Decrypting %llu bytes of file content using key '%s' of length %u..." | |
| $ | text | "(*) Modifying file %s in mapped drive..." | |
| $ | text | "(*) Checking file %s in mapped drive..." | |
| $ | text | "(-) CreateProcess failed '%s' (%08x)." | |
| $ | text | "(*) Mounted Drive Letter: %s" |
Condition
uint16be( 0 ) == 0x4d5a and all of themIn plain words (Heuristic)
- The file must start with “MZ” — a Windows executable (PE).
- All patterns in the rule must match.
Test this rule in your browser
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Sample hashes
Hashes of samples the author lists in the rule's meta (look them up in your threat-intelligence platform).
- 649fc12915bdcdebbc3798a8ad0b9b32
Licence & attribution
Author: Sekoia.io
Source repository: SEKOIA.IO Community @ a438a5901a
Licence: Detection Rule License 1.1 (repository licence)
Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.
Rule id: 08bc0fe8-38f1-4c73-99c8-2659b4a55815
Metadata
| version | 1.0 |
|---|---|
| classification | TLP:CLEAR |
Tags:FILE
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