YARA · SEKOIA.IO Community
SEKOIA_Infostealer_Win_Vulturi
Detect the Vulturi infostealer based on specific strings
- Author
- Sekoia.io
- Date
- 2022-03-14
- Modified
- 2024-12-19
- Score / Quality
- 75 / 80
What this rule detects
Detect the Vulturi infostealer based on specific strings
Associated malware family: Vulturi.
Targets: Windows PE.
It defines 18 patterns (18 text, 0 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
infostealer-win-vulturi.yarDetection Rule License 1.1
rule SEKOIA_Infostealer_Win_Vulturi : FILE
{
meta:
= "Detect the Vulturi infostealer based on specific strings"
= "Sekoia.io"
= "5369cbfb-ff94-4484-b5a4-894feeed97e1"
= "2022-03-14"
= "2024-12-19"
= "https://lamp-ret.club/t/vulturi-cracked-by-tr0uble-and-eshelon_mayskih.193/"
= "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/infostealer_win_vulturi.yar#L1-L35"
= "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
= "2d442768499ea0d4b6f5ac0d85521d73bb8337a53f1641485b0ce0054e2dc91c"
= 75
= 80
= "FILE"
= "1.0"
= "TLP:CLEAR"
strings:
$vul = "Vulturi_" ascii
$str01 = "/C chcp 65001 && ping 127.0.0.1 && DEL /F /S /Q /A" wide
$str02 = "SELECT ExecutablePath, ProcessID FROM Win32_Process" wide
$str03 = "Apps\\Gaming\\Minecraft" wide
$str04 = "Apps\\Gaming\\Steam\\Apps" wide
$str05 = "Messengers\\Facebook\\Contacts.txt" wide
$str06 = "Messengers\\Discord\\Tokens.txt" wide
$str07 = "Apps\\VPN\\NordVPN\\accounts.txt" wide
$str08 = "Apps\\VPN\\DUC\\credentials.txt" wide
$str09 = "System\\Screenshots\\Webcam.png" wide
$str10 = "System\\Screenshots\\Desktop.png" wide
$str11 = "GTA San Andreas User Files\\SAMP\\USERDATA.DAT" wide
$str12 = "http://ip-api.com/line?fields=query" wide
$str13 = "Wireshark" wide
$str14 = "KeePass.config.xml" wide
$str15 = "Apps\\TheBat!" wide
$str16 = "Vulturi" wide
$str17 = "StealerStub" wide
condition:
uint16( 0 ) == 0x5A4D and ( #vul > 50 or 12 of ( $str* ) )
}
Strings (18 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $vul | text | "Vulturi_" | ascii |
| $str01 | text | "/C chcp 65001 && ping 127.0.0.1 && DEL /F /S /Q /A" | wide |
| $str02 | text | "SELECT ExecutablePath, ProcessID FROM Win32_Process" | wide |
| $str03 | text | "Apps\\Gaming\\Minecraft" | wide |
| $str04 | text | "Apps\\Gaming\\Steam\\Apps" | wide |
| $str05 | text | "Messengers\\Facebook\\Contacts.txt" | wide |
| $str06 | text | "Messengers\\Discord\\Tokens.txt" | wide |
| $str07 | text | "Apps\\VPN\\NordVPN\\accounts.txt" | wide |
| $str08 | text | "Apps\\VPN\\DUC\\credentials.txt" | wide |
| $str09 | text | "System\\Screenshots\\Webcam.png" | wide |
| $str10 | text | "System\\Screenshots\\Desktop.png" | wide |
| $str11 | text | "GTA San Andreas User Files\\SAMP\\USERDATA.DAT" | wide |
| $str12 | text | "http://ip-api.com/line?fields=query" | wide |
| $str13 | text | "Wireshark" | wide |
| $str14 | text | "KeePass.config.xml" | wide |
| $str15 | text | "Apps\\TheBat!" | wide |
| $str16 | text | "Vulturi" | wide |
| $str17 | text | "StealerStub" | wide |
Condition
uint16( 0 ) == 0x5A4D and ( #vul > 50 or 12 of ( $str* ) )In plain words (Heuristic)
- The file must start with “MZ” — a Windows executable (PE).
- At least 12 patterns in ( $str* ) must match.
- Pattern $vul must occur > 50 times.
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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: 5369cbfb-ff94-4484-b5a4-894feeed97e1
Metadata
| version | 1.0 |
|---|---|
| classification | TLP:CLEAR |
Tags:FILE
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