YARA · Malpedia signator rules
MALPEDIA_Win_Hopscotch_Auto
autogenerated rule brought to you by yara-signator
MalwareHopscotchMalpedia 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: Hopscotch.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-hopscotch-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Hopscotch_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "35e77e89-7a86-5a92-a823-b27091293f85"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.hopscotch"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.hopscotch_auto.yar#L1-L124"
= "N/A"
= "f2700d359ac062d39e21d9eedbf1d58d1fc3cd64739ba95f4134fecbc5877244"
= 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 = { 6aff 51 6a02 57 e8???????? }
$sequence_1 = { e8???????? 83c40c 8d8424a0050000 8d8c2490000000 6800010000 50 6aff }
$sequence_2 = { 7517 68???????? e8???????? 83c404 32c0 5e 81c408020000 }
$sequence_3 = { c744241c00000000 b301 ff15???????? 8bf0 85f6 7511 }
$sequence_4 = { 72d8 eb2a 8b942430020000 8b4c2410 8d04f6 }
$sequence_5 = { ff15???????? 8d4c2410 51 6a01 56 ff15???????? }
$sequence_6 = { 51 e8???????? 8b942478080000 8bb42474080000 52 }
$sequence_7 = { 32c0 5b 81c4a0030000 c3 8d4c2410 6a14 }
$sequence_8 = { 53 8d442424 6a08 50 e8???????? 56 53 }
$sequence_9 = { 6a00 83cfff c744241c00000000 b301 ff15???????? 8bf0 }
condition:
7 of them and filesize < 1143808
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 6aff 51 6a02 57 e8???????? } | |
| $sequence_1 | hex | { e8???????? 83c40c 8d8424a0050000 8d8c2490000000 6800010000 50 6aff } | |
| $sequence_2 | hex | { 7517 68???????? e8???????? 83c404 32c0 5e 81c408020000 } | |
| $sequence_3 | hex | { c744241c00000000 b301 ff15???????? 8bf0 85f6 7511 } | |
| $sequence_4 | hex | { 72d8 eb2a 8b942430020000 8b4c2410 8d04f6 } | |
| $sequence_5 | hex | { ff15???????? 8d4c2410 51 6a01 56 ff15???????? } | |
| $sequence_6 | hex | { 51 e8???????? 8b942478080000 8bb42474080000 52 } | |
| $sequence_7 | hex | { 32c0 5b 81c4a0030000 c3 8d4c2410 6a14 } | |
| $sequence_8 | hex | { 53 8d442424 6a08 50 e8???????? 56 53 } | |
| $sequence_9 | hex | { 6a00 83cfff c744241c00000000 b301 ff15???????? 8bf0 } |
Condition
7 of them and filesize < 1143808In plain words (Heuristic)
- The file must be smaller than 1143808 (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: 35e77e89-7a86-5a92-a823-b27091293f85
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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