YARA · Malpedia signator rules
MALPEDIA_Win_Unidentified_094_Auto
autogenerated rule brought to you by yara-signator
- Author
- Felix Bilstein - yara-signator at cocacoding dot com
- Date
- 2023-12-06
- Modified
- 2023-12-08
- 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-094-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Unidentified_094_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "f5bdd8f3-d974-5222-9555-3631072a29c0"
= "2023-12-06"
= "2023-12-08"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.unidentified_094"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.unidentified_094_auto.yar#L1-L118"
= "N/A"
= "f3d0ed91e99c9ab03a6ddd24a2a28007a40b7e677077c8b725a5a67f32cc52a7"
= 75
= 75
= "FILE"
= "1"
= "yara-signator v0.6.0"
= "callsandjumps;datarefs;binvalue"
= "20231130"
= "fc8a0e9f343f6d6ded9e7df1a64dac0cc68d7351"
= "20230808"
= "CC BY-SA 4.0"
= "TLP:WHITE"
strings:
$sequence_0 = { 890d???????? 57 8915???????? a3???????? 83ceff b9???????? }
$sequence_1 = { 6a5c 68???????? e8???????? 83c408 33c9 }
$sequence_2 = { 0fb65004 3015???????? 0fb64805 300d???????? 0fb65006 3015???????? }
$sequence_3 = { 83c310 ff4d0c 0f857ffeffff 5f }
$sequence_4 = { 0fb65004 3015???????? 0fb64805 300d???????? 0fb65006 3015???????? c3 }
$sequence_5 = { 884dff 84d2 7902 341b }
$sequence_6 = { 3055fd 0fb61401 3055fe 0fb6540101 3055ff 8b55fc 89540102 }
$sequence_7 = { 6a00 6a00 6a00 ff15???????? c3 }
$sequence_8 = { 80f31b 8ad3 02d2 84db 7903 80f21b }
$sequence_9 = { 890d???????? 57 8915???????? a3???????? }
condition:
7 of them and filesize < 524288
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 890d???????? 57 8915???????? a3???????? 83ceff b9???????? } | |
| $sequence_1 | hex | { 6a5c 68???????? e8???????? 83c408 33c9 } | |
| $sequence_2 | hex | { 0fb65004 3015???????? 0fb64805 300d???????? 0fb65006 3015???????? } | |
| $sequence_3 | hex | { 83c310 ff4d0c 0f857ffeffff 5f } | |
| $sequence_4 | hex | { 0fb65004 3015???????? 0fb64805 300d???????? 0fb65006 3015???????? c3 } | |
| $sequence_5 | hex | { 884dff 84d2 7902 341b } | |
| $sequence_6 | hex | { 3055fd 0fb61401 3055fe 0fb6540101 3055ff 8b55fc 89540102 } | |
| $sequence_7 | hex | { 6a00 6a00 6a00 ff15???????? c3 } | |
| $sequence_8 | hex | { 80f31b 8ad3 02d2 84db 7903 80f21b } | |
| $sequence_9 | hex | { 890d???????? 57 8915???????? a3???????? } |
Condition
7 of them and filesize < 524288In plain words (Heuristic)
- The file must be smaller than 524288 (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: f5bdd8f3-d974-5222-9555-3631072a29c0
Metadata
| version | 1 |
|---|---|
| tool | yara-signator v0.6.0 |
| signator_config | callsandjumps;datarefs;binvalue |
| malpedia_rule_date | 20231130 |
| malpedia_hash | fc8a0e9f343f6d6ded9e7df1a64dac0cc68d7351 |
| malpedia_version | 20230808 |
| malpedia_license | CC BY-SA 4.0 |
| malpedia_sharing | TLP:WHITE |
Tags:FILE
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