YARA · Malpedia signator rules
MALPEDIA_Win_Neconyd_Auto
autogenerated rule brought to you by yara-signator
MalwareNeconydMalpedia signator rulesCreative Commons Attribution-ShareAlike 4.0Compiles with YARA-X
- 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: Neconyd.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-neconyd-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Neconyd_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "02e9a580-1315-5c61-8d86-76045bc10ac0"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.neconyd"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.neconyd_auto.yar#L1-L128"
= "N/A"
= "c6ad4bf4a33c586ad4f5b3b88246df7170eb56d8f0263cd7914777bf201f111f"
= 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 = { 50 ba???????? e8???????? 83c410 8bce 8d85acf7ffff e8???????? }
$sequence_1 = { 4a 7414 4a 7531 394510 7404 41 }
$sequence_2 = { e8???????? 59 59 8d4dac 8d85ace7ffff e8???????? 57 }
$sequence_3 = { ff15???????? 8bc3 eb03 83c8ff 5e 5b }
$sequence_4 = { 830f04 eb7d 53 53 8d45ec 50 }
$sequence_5 = { 5b 8be5 5d c3 55 8bec b800200000 }
$sequence_6 = { 85c0 0f85e1010000 8d44245c 50 ba???????? }
$sequence_7 = { 6a06 58 e9???????? 8b7d68 83ff01 7405 83ff03 }
$sequence_8 = { 8945f0 c745fc02000000 bb04010000 53 ff7435ec 8dbdd0fcffff ff7435e4 }
$sequence_9 = { ff7508 8935???????? 6a05 6a05 68???????? }
condition:
7 of them and filesize < 326182
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 50 ba???????? e8???????? 83c410 8bce 8d85acf7ffff e8???????? } | |
| $sequence_1 | hex | { 4a 7414 4a 7531 394510 7404 41 } | |
| $sequence_2 | hex | { e8???????? 59 59 8d4dac 8d85ace7ffff e8???????? 57 } | |
| $sequence_3 | hex | { ff15???????? 8bc3 eb03 83c8ff 5e 5b } | |
| $sequence_4 | hex | { 830f04 eb7d 53 53 8d45ec 50 } | |
| $sequence_5 | hex | { 5b 8be5 5d c3 55 8bec b800200000 } | |
| $sequence_6 | hex | { 85c0 0f85e1010000 8d44245c 50 ba???????? } | |
| $sequence_7 | hex | { 6a06 58 e9???????? 8b7d68 83ff01 7405 83ff03 } | |
| $sequence_8 | hex | { 8945f0 c745fc02000000 bb04010000 53 ff7435ec 8dbdd0fcffff ff7435e4 } | |
| $sequence_9 | hex | { ff7508 8935???????? 6a05 6a05 68???????? } |
Condition
7 of them and filesize < 326182In plain words (Heuristic)
- The file must be smaller than 326182 (a cheap guard that skips large files).
- At least 7 patterns in the rule must match.
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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: 02e9a580-1315-5c61-8d86-76045bc10ac0
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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