YARA · Malpedia signator rules
MALPEDIA_Win_Magala_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: Magala.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-magala-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Magala_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "36529db5-9dd6-59f4-b278-62b271dedc5c"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.magala"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.magala_auto.yar#L1-L126"
= "N/A"
= "682f0a36108582151ac6d68c5838e48c5cfa62449984faabe748abfa61c11208"
= 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 = { a1???????? 894108 a1???????? 89410c 33c0 8d8d9cfdffff c745cc00000000 }
$sequence_1 = { 51 e8???????? 83c404 6a11 33c0 c745e800000000 68???????? }
$sequence_2 = { 0f84ab000000 0f1f440000 6808020000 8d85f4fdffff 6a00 50 e8???????? }
$sequence_3 = { 8b4e08 e8???????? 50 68???????? }
$sequence_4 = { 6a00 8d45d4 50 ffd6 85c0 75e2 6aff }
$sequence_5 = { 397d9c 0f84ca000000 c645fc07 8b45c4 85c0 7406 8b08 }
$sequence_6 = { 8b4d0c 85c9 0f8409010000 56 33f6 }
$sequence_7 = { e8???????? 6a07 6a1a 8d85ccfbffff 50 8d8d9cfbffff e8???????? }
$sequence_8 = { c645fc03 50 8d4db0 e8???????? 8d4dd4 c645fc02 }
$sequence_9 = { 7906 c70700000000 85f6 7406 8b06 }
condition:
7 of them and filesize < 589824
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { a1???????? 894108 a1???????? 89410c 33c0 8d8d9cfdffff c745cc00000000 } | |
| $sequence_1 | hex | { 51 e8???????? 83c404 6a11 33c0 c745e800000000 68???????? } | |
| $sequence_2 | hex | { 0f84ab000000 0f1f440000 6808020000 8d85f4fdffff 6a00 50 e8???????? } | |
| $sequence_3 | hex | { 8b4e08 e8???????? 50 68???????? } | |
| $sequence_4 | hex | { 6a00 8d45d4 50 ffd6 85c0 75e2 6aff } | |
| $sequence_5 | hex | { 397d9c 0f84ca000000 c645fc07 8b45c4 85c0 7406 8b08 } | |
| $sequence_6 | hex | { 8b4d0c 85c9 0f8409010000 56 33f6 } | |
| $sequence_7 | hex | { e8???????? 6a07 6a1a 8d85ccfbffff 50 8d8d9cfbffff e8???????? } | |
| $sequence_8 | hex | { c645fc03 50 8d4db0 e8???????? 8d4dd4 c645fc02 } | |
| $sequence_9 | hex | { 7906 c70700000000 85f6 7406 8b06 } |
Condition
7 of them and filesize < 589824In plain words (Heuristic)
- The file must be smaller than 589824 (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: 36529db5-9dd6-59f4-b278-62b271dedc5c
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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