YARA · SEKOIA.IO Community
SEKOIA_Infostealer_Win_Phoenix
Finds Phoenix Stealer samples based on specific strings
- Author
- Sekoia.io
- Date
- 2023-06-20
- Modified
- 2024-12-19
- Score / Quality
- 75 / 80
What this rule detects
Finds Phoenix Stealer samples based on specific strings
Associated malware family: Phoenix.
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-phoenix.yarDetection Rule License 1.1
rule SEKOIA_Infostealer_Win_Phoenix : FILE
{
meta:
= "Finds Phoenix Stealer samples based on specific strings"
= "Sekoia.io"
= "d63a8fcf-f897-4c36-a6ce-4bd4ae0154e5"
= "2023-06-20"
= "2024-12-19"
= "https://github.com/SEKOIA-IO/Community"
= "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/infostealer_win_phoenix.yar#L1-L33"
= "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
= "c8a3a9a36c978cfc28fc6e21af10894161279dfd2e2ad665c3296fda10f6303d"
= 75
= 80
= "FILE"
= "1.0"
= "TLP:CLEAR"
strings:
$str01 = "nkbihfbeogaeaoehlefnkodbefgpgknn" ascii
$str02 = "Discord\\Tokens.txt" ascii
$str03 = "SOFTWARE\\OpenVP" ascii
$str04 = "config_dir" ascii
$str05 = "| Last Login:" ascii
$str06 = "| Games:" ascii
$str07 = "| Host:" ascii
$str08 = "| Port:" ascii
$str09 = "| User:" ascii
$str10 = "| Pass:" ascii
$str11 = "Grabber.rar" ascii
$str12 = "\\GHISLER\\wcx_ftp.ini" ascii
$str13 = "Clipboard.txt" ascii
$str14 = "PROCESSOR_ARCHITECTURE" ascii
$str15 = "PROCESSOR_IDENTIFIER" ascii
$str16 = "Log.txt" ascii
$str17 = "xXxXxXxXxXx" ascii
$str18 = "hq101ejedmwcvvasd02kw" ascii
condition:
uint16( 0 ) == 0x5a4d and 15 of them and filesize > 500KB
}
Strings (18 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $str01 | text | "nkbihfbeogaeaoehlefnkodbefgpgknn" | ascii |
| $str02 | text | "Discord\\Tokens.txt" | ascii |
| $str03 | text | "SOFTWARE\\OpenVP" | ascii |
| $str04 | text | "config_dir" | ascii |
| $str05 | text | "| Last Login:" | ascii |
| $str06 | text | "| Games:" | ascii |
| $str07 | text | "| Host:" | ascii |
| $str08 | text | "| Port:" | ascii |
| $str09 | text | "| User:" | ascii |
| $str10 | text | "| Pass:" | ascii |
| $str11 | text | "Grabber.rar" | ascii |
| $str12 | text | "\\GHISLER\\wcx_ftp.ini" | ascii |
| $str13 | text | "Clipboard.txt" | ascii |
| $str14 | text | "PROCESSOR_ARCHITECTURE" | ascii |
| $str15 | text | "PROCESSOR_IDENTIFIER" | ascii |
| $str16 | text | "Log.txt" | ascii |
| $str17 | text | "xXxXxXxXxXx" | ascii |
| $str18 | text | "hq101ejedmwcvvasd02kw" | ascii |
Condition
uint16( 0 ) == 0x5a4d and 15 of them and filesize > 500KBIn plain words (Heuristic)
- The file must start with “MZ” — a Windows executable (PE).
- The file must be larger than 500KB.
- At least 15 patterns in the rule must match.
Test this rule in your browser
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Drop a file here or click to chooseScanned locally with YARA-X. Files up to 200 MB.
References
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: d63a8fcf-f897-4c36-a6ce-4bd4ae0154e5
Metadata
| version | 1.0 |
|---|---|
| classification | TLP:CLEAR |
Tags:FILE
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