YARA · Malpedia signator rules
MALPEDIA_Win_Mimic_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: Mimic.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-mimic-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Mimic_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "00a16a7c-48b3-5f0e-88a8-89ba47d815a4"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.mimic"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.mimic_auto.yar#L1-L132"
= "N/A"
= "7761e5895ed8b8755b4c4387f41077aecea128dfbbd599f5bbf827d143614f9a"
= 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 = { 0fb6c1 33148508ee5b00 8bc7 c1e810 33d3 0fb6c8 33de }
$sequence_1 = { 7429 83e804 83f86c 77e8 0fb680147a4d00 ff24850c7a4d00 2d86000000 }
$sequence_2 = { 83ec14 8b4518 8b5508 53 8bd9 8945f0 }
$sequence_3 = { 53 56 57 8d442414 c744241400000000 50 51 }
$sequence_4 = { 0f84c1010000 8b45ec 33c9 3b45e0 0f85b3010000 3b4de4 0f85aa010000 }
$sequence_5 = { 8975dc c745e400000000 837f1410 8b5f10 7202 8b3f e8???????? }
$sequence_6 = { c70700000000 b801000000 e9???????? ff15???????? 50 68???????? }
$sequence_7 = { 0f8483000000 eb7d 8b1c9de8a75c00 6800080000 6a00 53 ff15???????? }
$sequence_8 = { 50 6a00 ff75ec 0f1145dc ff15???????? 85c0 0f8878ffffff }
$sequence_9 = { 663930 75f2 85c0 7523 3bd7 7405 83ea02 }
condition:
7 of them and filesize < 4204544
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 0fb6c1 33148508ee5b00 8bc7 c1e810 33d3 0fb6c8 33de } | |
| $sequence_1 | hex | { 7429 83e804 83f86c 77e8 0fb680147a4d00 ff24850c7a4d00 2d86000000 } | |
| $sequence_2 | hex | { 83ec14 8b4518 8b5508 53 8bd9 8945f0 } | |
| $sequence_3 | hex | { 53 56 57 8d442414 c744241400000000 50 51 } | |
| $sequence_4 | hex | { 0f84c1010000 8b45ec 33c9 3b45e0 0f85b3010000 3b4de4 0f85aa010000 } | |
| $sequence_5 | hex | { 8975dc c745e400000000 837f1410 8b5f10 7202 8b3f e8???????? } | |
| $sequence_6 | hex | { c70700000000 b801000000 e9???????? ff15???????? 50 68???????? } | |
| $sequence_7 | hex | { 0f8483000000 eb7d 8b1c9de8a75c00 6800080000 6a00 53 ff15???????? } | |
| $sequence_8 | hex | { 50 6a00 ff75ec 0f1145dc ff15???????? 85c0 0f8878ffffff } | |
| $sequence_9 | hex | { 663930 75f2 85c0 7523 3bd7 7405 83ea02 } |
Condition
7 of them and filesize < 4204544In plain words (Heuristic)
- The file must be smaller than 4204544 (a cheap guard that skips large files).
- At least 7 patterns in the rule must match.
Test this rule in your browser
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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: 00a16a7c-48b3-5f0e-88a8-89ba47d815a4
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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