YARA · Malpedia signator rules
MALPEDIA_Win_Minitypeframe_Auto
autogenerated rule brought to you by yara-signator
MalwareMinitypeframeMalpedia 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: Minitypeframe.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-minitypeframe-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Minitypeframe_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "dafa01cc-12f5-5959-a5a8-112bddaf9413"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.minitypeframe"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.minitypeframe_auto.yar#L1-L128"
= "N/A"
= "d2ac69d8f3f2d13991b264b6359d8643129ea3b1d735c1a6bce3fb0ef4022af8"
= 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 = { 85c0 7c3e 8b85bc000000 89b0ac000000 8b442434 33c9 8a08 }
$sequence_1 = { c644247163 c6442472e0 c644247401 c644247525 }
$sequence_2 = { 751d 6a74 68???????? 6a41 68bd000000 6a14 }
$sequence_3 = { 68???????? 6a0c 6a09 e8???????? 8b4510 56 50 }
$sequence_4 = { 89442434 8a08 40 8bf9 8b4d28 85c9 897c242c }
$sequence_5 = { 7417 3d00010000 7540 b80a000000 8b048550c30a10 8906 }
$sequence_6 = { 3bcd 742c 8b86d0000000 89bc24fc000000 3bc5 898424f8000000 898c2400010000 }
$sequence_7 = { 8b349d780e0910 81e10000ff00 81e6000000ff 33ce 8bf2 c1ee18 81e2ff000000 }
$sequence_8 = { 83c408 85c0 7479 8b442434 8b4d00 03c7 81f9fffe0000 }
$sequence_9 = { e8???????? 8bf8 83c40c 3bfb 0f8e42030000 395e6c }
condition:
7 of them and filesize < 1589248
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 85c0 7c3e 8b85bc000000 89b0ac000000 8b442434 33c9 8a08 } | |
| $sequence_1 | hex | { c644247163 c6442472e0 c644247401 c644247525 } | |
| $sequence_2 | hex | { 751d 6a74 68???????? 6a41 68bd000000 6a14 } | |
| $sequence_3 | hex | { 68???????? 6a0c 6a09 e8???????? 8b4510 56 50 } | |
| $sequence_4 | hex | { 89442434 8a08 40 8bf9 8b4d28 85c9 897c242c } | |
| $sequence_5 | hex | { 7417 3d00010000 7540 b80a000000 8b048550c30a10 8906 } | |
| $sequence_6 | hex | { 3bcd 742c 8b86d0000000 89bc24fc000000 3bc5 898424f8000000 898c2400010000 } | |
| $sequence_7 | hex | { 8b349d780e0910 81e10000ff00 81e6000000ff 33ce 8bf2 c1ee18 81e2ff000000 } | |
| $sequence_8 | hex | { 83c408 85c0 7479 8b442434 8b4d00 03c7 81f9fffe0000 } | |
| $sequence_9 | hex | { e8???????? 8bf8 83c40c 3bfb 0f8e42030000 395e6c } |
Condition
7 of them and filesize < 1589248In plain words (Heuristic)
- The file must be smaller than 1589248 (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: dafa01cc-12f5-5959-a5a8-112bddaf9413
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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