YARA · Malpedia signator rules
MALPEDIA_Win_Hyperbro_Auto
autogenerated rule brought to you by yara-signator
MalwareHyperbroMalpedia 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: Hyperbro.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-hyperbro-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Hyperbro_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "fa59ffad-47ad-5565-9178-f88dfbf3aa79"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.hyperbro"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.hyperbro_auto.yar#L1-L122"
= "N/A"
= "998a8d5933621455a37e24d216e2380610ec61dd02fd4faddbdc580da70c702e"
= 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 = { 23d3 33db 6685c9 0fb708 0f94c3 }
$sequence_1 = { 83c404 8bd8 8d043b c744241000000000 83fa01 }
$sequence_2 = { 53 55 56 57 7c07 8b08 668b09 }
$sequence_3 = { 8bd0 83e208 c1e20b 8bfe }
$sequence_4 = { 8d54243c 52 ff15???????? 8d442438 50 ff15???????? 8b480c }
$sequence_5 = { c644242281 23d3 33db 663bce 0fb708 }
$sequence_6 = { 0f871c010000 8bd5 2bd1 83fa01 0f82d9000000 }
$sequence_7 = { 8bf0 83fe40 7e3c 8b542460 52 e8???????? 33c9 }
$sequence_8 = { 8bd6 2bd7 c1e802 2bd0 81ea01080000 41 3bd3 }
$sequence_9 = { 83c42c 891e 8d043a 5b 894608 894604 }
condition:
7 of them and filesize < 352256
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 23d3 33db 6685c9 0fb708 0f94c3 } | |
| $sequence_1 | hex | { 83c404 8bd8 8d043b c744241000000000 83fa01 } | |
| $sequence_2 | hex | { 53 55 56 57 7c07 8b08 668b09 } | |
| $sequence_3 | hex | { 8bd0 83e208 c1e20b 8bfe } | |
| $sequence_4 | hex | { 8d54243c 52 ff15???????? 8d442438 50 ff15???????? 8b480c } | |
| $sequence_5 | hex | { c644242281 23d3 33db 663bce 0fb708 } | |
| $sequence_6 | hex | { 0f871c010000 8bd5 2bd1 83fa01 0f82d9000000 } | |
| $sequence_7 | hex | { 8bf0 83fe40 7e3c 8b542460 52 e8???????? 33c9 } | |
| $sequence_8 | hex | { 8bd6 2bd7 c1e802 2bd0 81ea01080000 41 3bd3 } | |
| $sequence_9 | hex | { 83c42c 891e 8d043a 5b 894608 894604 } |
Condition
7 of them and filesize < 352256In plain words (Heuristic)
- The file must be smaller than 352256 (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: fa59ffad-47ad-5565-9178-f88dfbf3aa79
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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