YARA · Malpedia signator rules
MALPEDIA_Win_Gibberish_Auto
autogenerated rule brought to you by yara-signator
MalwareGibberishMalpedia 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: Gibberish.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-gibberish-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Gibberish_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "dabe0f24-a1b2-5299-a720-964c2b47f198"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.gibberish"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.gibberish_auto.yar#L1-L129"
= "N/A"
= "0fd641a87df9c560ffa0a7ce4891b10845798685bdc34c48ea50acb051b0f0b2"
= 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 = { f7d8 be???????? 57 0fb6f8 03f9 81e6ff0f0000 8d9f0c010000 }
$sequence_1 = { 0fb6c1 c1e908 895c2420 333cc5e1a14700 8b0ccde4a14700 0fb6c2 8b542410 }
$sequence_2 = { 03c6 6a00 50 e8???????? 8b45ac 83c41c 83f8fc }
$sequence_3 = { 53 8b5c2420 55 8be9 c744240800000000 56 }
$sequence_4 = { 33c8 8b442414 c1c806 33c8 8b44241c 33c6 23442414 }
$sequence_5 = { 83e904 e9???????? 83e920 e9???????? 83e920 e9???????? 83e904 }
$sequence_6 = { 85c0 7e16 8b75e8 8b7dec e9???????? f30f7e4de8 0f1045d8 }
$sequence_7 = { 50 8d0431 034588 50 8b458c 03c1 50 }
$sequence_8 = { 0f8c87000000 8d46fc 8d0490 8d4bfc 8d0c91 3bd8 }
$sequence_9 = { 8933 c7430400000000 8b4d0c 8d45dc }
condition:
7 of them and filesize < 1068032
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { f7d8 be???????? 57 0fb6f8 03f9 81e6ff0f0000 8d9f0c010000 } | |
| $sequence_1 | hex | { 0fb6c1 c1e908 895c2420 333cc5e1a14700 8b0ccde4a14700 0fb6c2 8b542410 } | |
| $sequence_2 | hex | { 03c6 6a00 50 e8???????? 8b45ac 83c41c 83f8fc } | |
| $sequence_3 | hex | { 53 8b5c2420 55 8be9 c744240800000000 56 } | |
| $sequence_4 | hex | { 33c8 8b442414 c1c806 33c8 8b44241c 33c6 23442414 } | |
| $sequence_5 | hex | { 83e904 e9???????? 83e920 e9???????? 83e920 e9???????? 83e904 } | |
| $sequence_6 | hex | { 85c0 7e16 8b75e8 8b7dec e9???????? f30f7e4de8 0f1045d8 } | |
| $sequence_7 | hex | { 50 8d0431 034588 50 8b458c 03c1 50 } | |
| $sequence_8 | hex | { 0f8c87000000 8d46fc 8d0490 8d4bfc 8d0c91 3bd8 } | |
| $sequence_9 | hex | { 8933 c7430400000000 8b4d0c 8d45dc } |
Condition
7 of them and filesize < 1068032In plain words (Heuristic)
- The file must be smaller than 1068032 (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: dabe0f24-a1b2-5299-a720-964c2b47f198
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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