YARA · Malpedia signator rules
MALPEDIA_Win_Unidentified_075_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-075-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Unidentified_075_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "147c0d53-aecb-5cae-ac7f-14d52d3c203f"
= "2023-07-11"
= "2023-07-15"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.unidentified_075"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.unidentified_075_auto.yar#L1-L115"
= "N/A"
= "10617fdfd534147bc5e0f7e922724e69d45c37af66d21f98c629fa1bac685120"
= 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 = { e8???????? 83c40c 6808020000 8d95dcf6ffff 52 6a00 }
$sequence_1 = { 8bc1 5e 5d c3 55 8bec ff15???????? }
$sequence_2 = { 52 e8???????? 6a00 8d85ace6ffff 50 8d8dbceeffff 51 }
$sequence_3 = { 83c40c 33c0 668985d4f4ffff 6806020000 }
$sequence_4 = { 837d9400 740d 8b55fc c7821002000000000000 837df000 }
$sequence_5 = { 52 ff15???????? 83c410 b853000000 66898550ffffff }
$sequence_6 = { 33c0 668945d0 8d4dd4 51 }
$sequence_7 = { 742c 8b4514 85c0 7421 }
$sequence_8 = { 85c0 0f8431ffffff b901000000 85c9 0f8515ffffff }
$sequence_9 = { 81eca4000000 894dfc c745f400000000 c745f800000000 }
condition:
7 of them and filesize < 393216
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { e8???????? 83c40c 6808020000 8d95dcf6ffff 52 6a00 } | |
| $sequence_1 | hex | { 8bc1 5e 5d c3 55 8bec ff15???????? } | |
| $sequence_2 | hex | { 52 e8???????? 6a00 8d85ace6ffff 50 8d8dbceeffff 51 } | |
| $sequence_3 | hex | { 83c40c 33c0 668985d4f4ffff 6806020000 } | |
| $sequence_4 | hex | { 837d9400 740d 8b55fc c7821002000000000000 837df000 } | |
| $sequence_5 | hex | { 52 ff15???????? 83c410 b853000000 66898550ffffff } | |
| $sequence_6 | hex | { 33c0 668945d0 8d4dd4 51 } | |
| $sequence_7 | hex | { 742c 8b4514 85c0 7421 } | |
| $sequence_8 | hex | { 85c0 0f8431ffffff b901000000 85c9 0f8515ffffff } | |
| $sequence_9 | hex | { 81eca4000000 894dfc c745f400000000 c745f800000000 } |
Condition
7 of them and filesize < 393216In plain words (Heuristic)
- The file must be smaller than 393216 (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: 147c0d53-aecb-5cae-ac7f-14d52d3c203f
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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