YARA · Malpedia signator rules
MALPEDIA_Win_Green_Dispenser_Auto
autogenerated rule brought to you by yara-signator
- Author
- Felix Bilstein - yara-signator at cocacoding dot com
- Date
- 2026-05-04
- Modified
- 2026-05-18
- Score / Quality
- 75 / 75
What this rule detects
autogenerated rule brought to you by yara-signator
Associated malware family: Green Dispenser.
It defines 10 patterns (0 text, 10 hex, 0 regex).
YARA-X says: warning[text_as_hex]: hex pattern could be written as text literal
Summary generated from the rule's metadata and condition.
Rule source
rule MALPEDIA_Win_Green_Dispenser_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "f68f99bd-67a1-5d16-ab8e-4b1776b63b08"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.green_dispenser"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.green_dispenser_auto.yar#L1-L132"
= "N/A"
= "43c9d3a0c017d323803714c391c503baf5f0bb9068bbac7ba368336725aa1907"
= 75
= 75
= "FILE"
= "1"
= "yara-signator v0.6.0"
= "callsandjumps;datarefs;binvalue"
= "20260422"
= "a182e35da64e6d71cb55f125c4d4225196523f14"
= "20260504"
= "CC BY-SA 4.0"
= "TLP:WHITE"
strings:
$sequence_0 = { 83c1fe 57 03f1 b8???????? bf05000000 0fb648fe 880e }
$sequence_1 = { 8b4df0 8b45fc 0375f8 037df4 41 83c404 83c310 }
$sequence_2 = { 7e07 83ff1a 0f9fc0 40 8b3485f8e34200 8b4304 99 }
$sequence_3 = { f6d2 80e201 32d3 8816 8b55fc 8b5d08 41 }
$sequence_4 = { 6a08 8bf9 e8???????? 8bf0 83c404 85f6 740d }
$sequence_5 = { 8845f9 8d45ec 50 8d45f0 50 6a00 6a00 }
$sequence_6 = { 747f 83fb03 7d34 e8???????? c70016000000 8b770c }
$sequence_7 = { 740a 48 740a 48 48 7568 40 }
$sequence_8 = { 8b048550aa4500 f644180401 7418 ff7514 ff7510 ff750c 57 }
$sequence_9 = { 57 8bf9 6a08 8bda 897dfc e8???????? }
condition:
7 of them and filesize < 838656
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 83c1fe 57 03f1 b8???????? bf05000000 0fb648fe 880e } | |
| $sequence_1 | hex | { 8b4df0 8b45fc 0375f8 037df4 41 83c404 83c310 } | |
| $sequence_2 | hex | { 7e07 83ff1a 0f9fc0 40 8b3485f8e34200 8b4304 99 } | |
| $sequence_3 | hex | { f6d2 80e201 32d3 8816 8b55fc 8b5d08 41 } | |
| $sequence_4 | hex | { 6a08 8bf9 e8???????? 8bf0 83c404 85f6 740d } | |
| $sequence_5 | hex | { 8845f9 8d45ec 50 8d45f0 50 6a00 6a00 } | |
| $sequence_6 | hex | { 747f 83fb03 7d34 e8???????? c70016000000 8b770c } | |
| $sequence_7 | hex | { 740a 48 740a 48 48 7568 40 } | |
| $sequence_8 | hex | { 8b048550aa4500 f644180401 7418 ff7514 ff7510 ff750c 57 } | |
| $sequence_9 | hex | { 57 8bf9 6a08 8bda 897dfc e8???????? } |
Condition
7 of them and filesize < 838656In plain words (Heuristic)
- The file must be smaller than 838656 (a cheap guard that skips large files).
- At least 7 patterns in the rule 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.
Licence & attribution
Author: Felix Bilstein - yara-signator at cocacoding dot com
Source repository: Malpedia signator rules @ c901f97b7d
Licence: Creative Commons Attribution-ShareAlike 4.0 (repository licence)
Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.
Rule id: f68f99bd-67a1-5d16-ab8e-4b1776b63b08
Metadata
| version | 1 |
|---|---|
| tool | yara-signator v0.6.0 |
| signator_config | callsandjumps;datarefs;binvalue |
| malpedia_rule_date | 20260422 |
| malpedia_hash | a182e35da64e6d71cb55f125c4d4225196523f14 |
| malpedia_version | 20260504 |
| malpedia_license | CC BY-SA 4.0 |
| malpedia_sharing | TLP:WHITE |
Tags:FILE
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