YARA · Malpedia signator rules
MALPEDIA_Win_Bubblewrap_Auto
autogenerated rule brought to you by yara-signator
MalwareBubblewrapMalpedia 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: Bubblewrap.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-bubblewrap-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Bubblewrap_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "c9795e02-95d7-5442-9070-f9a0c5f4982a"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.bubblewrap"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.bubblewrap_auto.yar#L1-L117"
= "N/A"
= "d74e10554100c1ec73d09a66d5e9986a75edafc5264ddea5e24e42a0aa8ee395"
= 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 = { 55 56 57 668908 }
$sequence_1 = { 84c0 0f84e5010000 e8???????? 8b842420020000 be???????? 8a10 }
$sequence_2 = { bf???????? 33f6 68???????? 68???????? }
$sequence_3 = { 8db434b00a0000 894c2434 8bc1 c1e902 }
$sequence_4 = { 33ed 51 52 896c2428 896c2420 }
$sequence_5 = { 8bca 4f c1e902 f3a5 8bca b8???????? 83e103 }
$sequence_6 = { 8bc8 83e103 f3a4 8bcb 8b5c2414 }
$sequence_7 = { ffd6 68???????? ffd6 68b80b0000 ffd5 e9???????? 8b0d???????? }
$sequence_8 = { ffd6 68???????? ffd6 8b5c241c }
$sequence_9 = { 50 52 ffd6 8d442408 6a10 50 68???????? }
condition:
7 of them and filesize < 57136
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 55 56 57 668908 } | |
| $sequence_1 | hex | { 84c0 0f84e5010000 e8???????? 8b842420020000 be???????? 8a10 } | |
| $sequence_2 | hex | { bf???????? 33f6 68???????? 68???????? } | |
| $sequence_3 | hex | { 8db434b00a0000 894c2434 8bc1 c1e902 } | |
| $sequence_4 | hex | { 33ed 51 52 896c2428 896c2420 } | |
| $sequence_5 | hex | { 8bca 4f c1e902 f3a5 8bca b8???????? 83e103 } | |
| $sequence_6 | hex | { 8bc8 83e103 f3a4 8bcb 8b5c2414 } | |
| $sequence_7 | hex | { ffd6 68???????? ffd6 68b80b0000 ffd5 e9???????? 8b0d???????? } | |
| $sequence_8 | hex | { ffd6 68???????? ffd6 8b5c241c } | |
| $sequence_9 | hex | { 50 52 ffd6 8d442408 6a10 50 68???????? } |
Condition
7 of them and filesize < 57136In plain words (Heuristic)
- The file must be smaller than 57136 (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: c9795e02-95d7-5442-9070-f9a0c5f4982a
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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