YARA · Malpedia signator rules
MALPEDIA_Win_Uacme_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: Uacme.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-uacme-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Uacme_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "449c52c7-62d4-5a56-8e6b-0b7ee455ae22"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.uacme"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.uacme_auto.yar#L1-L125"
= "N/A"
= "293e546ca5b87e83de5ade24cb0073289f7a33b52a80f27bae1209841ef5ce87"
= 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 = { 8d45e8 50 ff75fc ff15???????? 8b4df8 33d2 85c0 }
$sequence_1 = { 6a08 ff7018 ff15???????? 8bf0 85f6 0f84de000000 }
$sequence_2 = { 68???????? ff15???????? 8b5de4 834dfcff 85ff 740e }
$sequence_3 = { 56 ff15???????? 6802700000 56 ff15???????? 85c0 }
$sequence_4 = { 83ec0c 53 56 57 6a04 6800300000 8d44241c }
$sequence_5 = { 8d45f0 6a08 8bfa 895dfc 895df8 5e }
$sequence_6 = { c3 55 8bec 81ec20040000 53 56 be0a020000 }
$sequence_7 = { e8???????? ff75f0 8b55ec 8d8ddcfbffff e8???????? }
$sequence_8 = { 58 6a65 59 668945f6 6a78 }
$sequence_9 = { 89421c ba???????? e8???????? 85c0 0f8493000000 50 }
condition:
7 of them and filesize < 565248
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 8d45e8 50 ff75fc ff15???????? 8b4df8 33d2 85c0 } | |
| $sequence_1 | hex | { 6a08 ff7018 ff15???????? 8bf0 85f6 0f84de000000 } | |
| $sequence_2 | hex | { 68???????? ff15???????? 8b5de4 834dfcff 85ff 740e } | |
| $sequence_3 | hex | { 56 ff15???????? 6802700000 56 ff15???????? 85c0 } | |
| $sequence_4 | hex | { 83ec0c 53 56 57 6a04 6800300000 8d44241c } | |
| $sequence_5 | hex | { 8d45f0 6a08 8bfa 895dfc 895df8 5e } | |
| $sequence_6 | hex | { c3 55 8bec 81ec20040000 53 56 be0a020000 } | |
| $sequence_7 | hex | { e8???????? ff75f0 8b55ec 8d8ddcfbffff e8???????? } | |
| $sequence_8 | hex | { 58 6a65 59 668945f6 6a78 } | |
| $sequence_9 | hex | { 89421c ba???????? e8???????? 85c0 0f8493000000 50 } |
Condition
7 of them and filesize < 565248In plain words (Heuristic)
- The file must be smaller than 565248 (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: 449c52c7-62d4-5a56-8e6b-0b7ee455ae22
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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