YARA · SEKOIA.IO Community
SEKOIA_Rat_Win_Tutclient
Detect the open-source RAT TutClient
- Author
- Sekoia.io
- Date
- 2024-02-09
- Modified
- 2024-12-19
- Score / Quality
- 75 / 80
What this rule detects
Detect the open-source RAT TutClient
Targets: Windows PE.
It defines 6 patterns (6 text, 0 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
rat-win-tutclient.yarDetection Rule License 1.1
rule SEKOIA_Rat_Win_Tutclient : FILE
{
meta:
= "Detect the open-source RAT TutClient"
= "Sekoia.io"
= "2bd2d61f-3654-4acd-9773-8d3617c67ee0"
= "2024-02-09"
= "2024-12-19"
= "https://github.com/AdvancedHacker101/C-Sharp-R.A.T-Client"
= "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/rat_win_tutclient.yar#L1-L21"
= "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
= "f780948ab03dd0cd64d023367186a88c9eaa566170142e34aaa08788d9a684eb"
= 75
= 80
= "FILE"
= "1.0"
= "TLP:CLEAR"
strings:
$ = "Clipboard Data Not Retrived!" wide
$ = "Remote Cmd stream reading failed!" wide
$ = "PasswordFox" wide
$ = "[Right Click, Position: x = <rtd.xpos>; y = <rtd.ypos>]" wide
$ = "SendCommand"
$ = "HandleCommand"
condition:
uint16be( 0 ) == 0x4d5a and all of them
}
Strings (6 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $ | text | "Clipboard Data Not Retrived!" | wide |
| $ | text | "Remote Cmd stream reading failed!" | wide |
| $ | text | "PasswordFox" | wide |
| $ | text | "[Right Click, Position: x = <rtd.xpos>; y = <rtd.ypos>]" | wide |
| $ | text | "SendCommand" | |
| $ | text | "HandleCommand" |
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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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: 2bd2d61f-3654-4acd-9773-8d3617c67ee0
Metadata
| version | 1.0 |
|---|---|
| classification | TLP:CLEAR |
Tags:FILE
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