YARA · SEKOIA.IO Community
SEKOIA_Pe_Stealer_Axilestealer_Strings
AxileStealer strings
- Author
- Sekoia.io
- Date
- 2023-12-13
- Modified
- 2024-12-19
- Score / Quality
- 75 / 80
What this rule detects
AxileStealer strings
Targets: Windows PE.
It defines 12 patterns (12 text, 0 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
pe-stealer-axilestealer-strings.yarDetection Rule License 1.1
rule SEKOIA_Pe_Stealer_Axilestealer_Strings : FILE
{
meta:
= "AxileStealer strings"
= "Sekoia.io"
= "412bfc3e-6bb7-4b0d-8bb3-96eae0cc9782"
= "2023-12-13"
= "2024-12-19"
= "https://github.com/SEKOIA-IO/Community"
= "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/pe_stealer_axilestealer_strings.yar#L1-L28"
= "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
= "829b80c07ed4d9439d66956dbb106aa0cc9961dd2e5c05ffbe6c67e516613590"
= 75
= 80
= "FILE"
= "1.0"
= "TLP:CLEAR"
strings:
$s1 = "http://ip-api.com/line/?fields=query,country,countryCode,city,regionName,zip,isp" wide
$s2 = "Axile.su" wide
$s3 = "Unknown Tokens.txt" wide
$a1 = "[ <b>General</b> ]" wide
$a2 = "[ <b>Browsers</b> ]" wide
$a3 = "[ <b>Wallets</b> ]" wide
$a4 = "[ <b>Messengers</b> ]" wide
$a5 = "[ <b>Applications</b> ]" wide
$a6 = "[ <b>Games</b> ]" wide
$a7 = "[ <b>Mails</b> ]" wide
$a8 = "[ <b>VPNs</b> ]" wide
$a9 = "[ <b>FTPs</b> ]" wide
condition:
uint16be( 0 ) == 0x4d5a and filesize > 50KB and filesize < 200KB and 2 of ( $s* ) and 7 of ( $a* )
}
Strings (12 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $s1 | text | "http://ip-api.com/line/?fields=query,country,countryCode,city,regionName,zip,isp" | wide |
| $s2 | text | "Axile.su" | wide |
| $s3 | text | "Unknown Tokens.txt" | wide |
| $a1 | text | "[ <b>General</b> ]" | wide |
| $a2 | text | "[ <b>Browsers</b> ]" | wide |
| $a3 | text | "[ <b>Wallets</b> ]" | wide |
| $a4 | text | "[ <b>Messengers</b> ]" | wide |
| $a5 | text | "[ <b>Applications</b> ]" | wide |
| $a6 | text | "[ <b>Games</b> ]" | wide |
| $a7 | text | "[ <b>Mails</b> ]" | wide |
| $a8 | text | "[ <b>VPNs</b> ]" | wide |
| $a9 | text | "[ <b>FTPs</b> ]" | wide |
Condition
uint16be( 0 ) == 0x4d5a and filesize > 50KB and filesize < 200KB and 2 of ( $s* ) and 7 of ( $a* )In plain words (Heuristic)
- The file must start with “MZ” — a Windows executable (PE).
- The file must be smaller than 200KB (a cheap guard that skips large files).
- The file must be larger than 50KB.
- At least 2 patterns in ( $s* ) must match.
- At least 7 patterns in ( $a* ) 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.
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: 412bfc3e-6bb7-4b0d-8bb3-96eae0cc9782
Metadata
| version | 1.0 |
|---|---|
| classification | TLP:CLEAR |
Tags:FILE
Related rules
- MalwareSEKOIA.IO Community· Sekoia.io· 2024-07-16
- MalwareSEKOIA.IO Community· Sekoia.io· 2024-08-23
- MalwareSEKOIA.IO Community· Sekoia.io· 2024-04-22
- MalwareSEKOIA.IO Community· Sekoia.io· 2024-07-23
- MalwareSEKOIA.IO Community· Sekoia.io· 2024-10-20
- MalwareSEKOIA.IO Community· Sekoia.io· 2024-03-20
- MalwareSEKOIA.IO Community· Sekoia.io· 2024-03-20
- MalwareSEKOIA.IO Community· Sekoia.io· 2024-03-20