YARA · ditekSHen detection
DITEKSHEN_MALWARE_Win_Dlagent08
Detects known downloader agent downloading encoded binaries in patches
- Author
- ditekSHen
- Date
- 2020-11-06
- Modified
- 2024-11-01
- Score / Quality
- 75 / 75
What this rule detects
Detects known downloader agent downloading encoded binaries in patches
Associated malware family: Dlagent08.
Targets: Windows PE.
It defines 1 patterns (0 text, 0 hex, 1 regex).
Summary generated from the rule's metadata and condition.
Rule source
rule DITEKSHEN_MALWARE_Win_Dlagent08 : FILE
{
meta:
= "Detects known downloader agent downloading encoded binaries in patches"
= "ditekSHen"
= "e3450f93-7c57-5386-a901-bc5e710657a4"
= "2020-11-06"
= "2024-11-01"
= "https://github.com/ditekshen/detection"
= "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/yara/malware.yar#L4965-L4975"
= "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/LICENSE.txt"
= "0238c13b00e5778ef216b4e8576c321803da6e269c96c3051b9cc45a3ac6e567"
= 75
= 75
= "FILE"
= "920122"
= "920119"
strings:
$pat = /\/base\/[A-F0-9]{32}\.html/ ascii wide
condition:
uint16( 0 ) == 0x5a4d and $pat and #pat > 1
}
Strings (1 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $pat | regex | /\/base\/[A-F0-9]{32}\.html/ | ascii wide |
Condition
uint16( 0 ) == 0x5a4d and $pat and #pat > 1In plain words (Heuristic)
- The file must start with “MZ” — a Windows executable (PE).
- Pattern $pat must occur > 1 times.
- Pattern $pat must be present.
Test this rule in your browser
Drop a file to scan it with this rule using YARA-X compiled to WebAssembly. Nothing is uploaded.
References
Licence & attribution
Author: ditekSHen
Source repository: ditekSHen detection @ e76c93dcde
Licence: BSD 2-Clause License (repository licence)
Copyright notice: Copyright 2021 by ditekSHen (https://github.com/ditekshen/detection).
Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.
Rule id: e3450f93-7c57-5386-a901-bc5e710657a4
Metadata
| snort2_sid | 920122 |
|---|---|
| snort3_sid | 920119 |
Tags:FILE
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