YARA · Malpedia signator rules
MALPEDIA_Win_Unidentified_061_Auto
autogenerated rule brought to you by yara-signator
- Author
- Felix Bilstein - yara-signator at cocacoding dot com
- Date
- 2023-07-11
- Modified
- 2023-07-15
- Score / Quality
- 75 / 75
What this rule detects
autogenerated rule brought to you by yara-signator
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-unidentified-061-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Unidentified_061_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "59888b60-a3e6-5e9f-a441-429646fe0731"
= "2023-07-11"
= "2023-07-15"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.unidentified_061"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.unidentified_061_auto.yar#L1-L123"
= "N/A"
= "ee3ce5b6c77f09c690f7a934c26be09c58c4fcdee70275b61c00e527d8aa097d"
= 75
= 75
= "FILE"
= "1"
= "yara-signator v0.6.0"
= "callsandjumps;datarefs;binvalue"
= "20230705"
= "42d0574f4405bd7d2b154d321d345acb18834a41"
= "20230715"
= "CC BY-SA 4.0"
= "TLP:WHITE"
strings:
$sequence_0 = { 8d85d4fdffff 50 e8???????? c9 }
$sequence_1 = { 89b5f0fdffff 899decfdffff 89b5f4feffff 899df0feffff ff15???????? 8945fc }
$sequence_2 = { 51 8365fc00 8d45fc 50 68???????? 6801000080 ff15???????? }
$sequence_3 = { 8945f0 0fb705???????? 50 ff15???????? 668945ee }
$sequence_4 = { 68???????? 56 ff15???????? 83c41c 8d4601 5e eb09 }
$sequence_5 = { 7417 03f3 3bf7 7ccb eb2f 7d29 }
$sequence_6 = { 83cfff c6457300 3b7566 7cb5 3b7566 }
$sequence_7 = { 53 57 6a04 33ff 33db }
$sequence_8 = { 5b c9 c20800 81ec00040000 68???????? 68???????? ff15???????? }
$sequence_9 = { eb04 c645fb3d 6a05 8d45f8 50 ff750c c645fc00 }
condition:
7 of them and filesize < 360448
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 8d85d4fdffff 50 e8???????? c9 } | |
| $sequence_1 | hex | { 89b5f0fdffff 899decfdffff 89b5f4feffff 899df0feffff ff15???????? 8945fc } | |
| $sequence_2 | hex | { 51 8365fc00 8d45fc 50 68???????? 6801000080 ff15???????? } | |
| $sequence_3 | hex | { 8945f0 0fb705???????? 50 ff15???????? 668945ee } | |
| $sequence_4 | hex | { 68???????? 56 ff15???????? 83c41c 8d4601 5e eb09 } | |
| $sequence_5 | hex | { 7417 03f3 3bf7 7ccb eb2f 7d29 } | |
| $sequence_6 | hex | { 83cfff c6457300 3b7566 7cb5 3b7566 } | |
| $sequence_7 | hex | { 53 57 6a04 33ff 33db } | |
| $sequence_8 | hex | { 5b c9 c20800 81ec00040000 68???????? 68???????? ff15???????? } | |
| $sequence_9 | hex | { eb04 c645fb3d 6a05 8d45f8 50 ff750c c645fc00 } |
Condition
7 of them and filesize < 360448In plain words (Heuristic)
- The file must be smaller than 360448 (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: 59888b60-a3e6-5e9f-a441-429646fe0731
Metadata
| version | 1 |
|---|---|
| tool | yara-signator v0.6.0 |
| signator_config | callsandjumps;datarefs;binvalue |
| malpedia_rule_date | 20230705 |
| malpedia_hash | 42d0574f4405bd7d2b154d321d345acb18834a41 |
| malpedia_version | 20230715 |
| malpedia_license | CC BY-SA 4.0 |
| malpedia_sharing | TLP:WHITE |
Tags:FILE
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