YARA · Malpedia signator rules
MALPEDIA_Win_Hyperssl_Auto
autogenerated rule brought to you by yara-signator
MalwareHypersslMalpedia 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 / 73
What this rule detects
autogenerated rule brought to you by yara-signator
Associated malware family: Hyperssl.
It defines 24 patterns (0 text, 24 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-hyperssl-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Hyperssl_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "89a2e6ca-4517-566a-b48d-d52b67e127cd"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.hyperssl"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.hyperssl_auto.yar#L1-L214"
= "N/A"
= "8eb5d428e7f3b76db37c3914f9ea00f56356dfef911c10922708e50871fa1caf"
= 75
= 73
= "FILE"
= "1"
= "yara-signator v0.6.0"
= "callsandjumps;datarefs;binvalue"
= "20260422"
= "a182e35da64e6d71cb55f125c4d4225196523f14"
= "20260504"
= "CC BY-SA 4.0"
= "TLP:WHITE"
strings:
$sequence_0 = { 2bc8 2bf0 5f 8a10 }
$sequence_1 = { c20c00 6a08 68???????? e8???????? 8b450c 83f801 757a }
$sequence_2 = { 0105???????? 8d8d5cffffff 89855cffffff 898560ffffff }
$sequence_3 = { 03c1 742a 8b4028 03c1 }
$sequence_4 = { 03c1 7423 56 57 b9???????? }
$sequence_5 = { 4f 75f2 5f 5e e9???????? }
$sequence_6 = { 8a10 301406 40 4f }
$sequence_7 = { 0108 3908 1bc9 f7d9 }
$sequence_8 = { 5f 8a10 301401 8a10 }
$sequence_9 = { 0108 894810 8b4830 3308 }
$sequence_10 = { 0105???????? 8d558c 89458c 894590 }
$sequence_11 = { 33c9 46 2bc3 8944240c 8b5c241c 8d440c2c 0fb61c03 }
$sequence_12 = { 0101 014514 2bf3 8b5d0c c7472400000000 }
$sequence_13 = { 0108 8b4830 3308 56 }
$sequence_14 = { 0108 3310 c1c607 c1c210 }
$sequence_15 = { ff15???????? 8bc8 85c9 7436 8b413c 03c1 }
$sequence_16 = { 017e08 50 e8???????? ff0d???????? }
$sequence_17 = { 017e0c 5f 8bc6 5e c20800 }
$sequence_18 = { 017e08 8bc3 e8???????? c20400 }
$sequence_19 = { 016b08 897b04 5f 5e }
$sequence_20 = { 017e0c 8d4d08 e8???????? 5f }
$sequence_21 = { 017e0c 395e10 740f ff7610 }
$sequence_22 = { 01442428 8b442428 884500 45 }
$sequence_23 = { 011d???????? 5f 8935???????? 5e }
condition:
7 of them and filesize < 835584
}
Strings (24 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 2bc8 2bf0 5f 8a10 } | |
| $sequence_1 | hex | { c20c00 6a08 68???????? e8???????? 8b450c 83f801 757a } | |
| $sequence_2 | hex | { 0105???????? 8d8d5cffffff 89855cffffff 898560ffffff } | |
| $sequence_3 | hex | { 03c1 742a 8b4028 03c1 } | |
| $sequence_4 | hex | { 03c1 7423 56 57 b9???????? } | |
| $sequence_5 | hex | { 4f 75f2 5f 5e e9???????? } | |
| $sequence_6 | hex | { 8a10 301406 40 4f } | |
| $sequence_7 | hex | { 0108 3908 1bc9 f7d9 } | |
| $sequence_8 | hex | { 5f 8a10 301401 8a10 } | |
| $sequence_9 | hex | { 0108 894810 8b4830 3308 } | |
| $sequence_10 | hex | { 0105???????? 8d558c 89458c 894590 } | |
| $sequence_11 | hex | { 33c9 46 2bc3 8944240c 8b5c241c 8d440c2c 0fb61c03 } | |
| $sequence_12 | hex | { 0101 014514 2bf3 8b5d0c c7472400000000 } | |
| $sequence_13 | hex | { 0108 8b4830 3308 56 } | |
| $sequence_14 | hex | { 0108 3310 c1c607 c1c210 } | |
| $sequence_15 | hex | { ff15???????? 8bc8 85c9 7436 8b413c 03c1 } | |
| $sequence_16 | hex | { 017e08 50 e8???????? ff0d???????? } | |
| $sequence_17 | hex | { 017e0c 5f 8bc6 5e c20800 } | |
| $sequence_18 | hex | { 017e08 8bc3 e8???????? c20400 } | |
| $sequence_19 | hex | { 016b08 897b04 5f 5e } | |
| $sequence_20 | hex | { 017e0c 8d4d08 e8???????? 5f } | |
| $sequence_21 | hex | { 017e0c 395e10 740f ff7610 } | |
| $sequence_22 | hex | { 01442428 8b442428 884500 45 } | |
| $sequence_23 | hex | { 011d???????? 5f 8935???????? 5e } |
Condition
7 of them and filesize < 835584In plain words (Heuristic)
- The file must be smaller than 835584 (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: 89a2e6ca-4517-566a-b48d-d52b67e127cd
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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