YARA · Malpedia signator rules
MALPEDIA_Win_Vapor_Rage_Auto
autogenerated rule brought to you by yara-signator
MalwareVapor RageMalpedia 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: Vapor Rage.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-vapor-rage-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Vapor_Rage_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "1e8c56d3-bc96-5685-bd56-a98ffc12ea42"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.vapor_rage"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.vapor_rage_auto.yar#L1-L121"
= "N/A"
= "bcb29a40e43ca6bc0df9030dbaebb46847b85eeeed0febe0ded947e1c76a6b49"
= 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 = { e8???????? a1???????? 85c0 7f04 33c0 eb59 }
$sequence_1 = { eb59 48 a3???????? e8???????? 8845e4 8365fc00 }
$sequence_2 = { 8b45d4 50 6a05 8b4de4 51 ff15???????? }
$sequence_3 = { ff15???????? eb1e 8b4de4 51 }
$sequence_4 = { e8???????? c705????????01000000 e8???????? 84c0 744d e8???????? e8???????? }
$sequence_5 = { c745e400000000 6a00 6800008000 6a00 6a00 6a00 8b55d0 }
$sequence_6 = { c705????????02000000 a900000008 7454 a9???????? }
$sequence_7 = { 52 6a1f 8b45e4 50 ff15???????? }
$sequence_8 = { 81ca80000000 8955f8 6a04 8d45f8 50 6a1f }
$sequence_9 = { 6800008000 6a00 6a00 6a00 8b55d0 52 }
condition:
7 of them and filesize < 296960
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { e8???????? a1???????? 85c0 7f04 33c0 eb59 } | |
| $sequence_1 | hex | { eb59 48 a3???????? e8???????? 8845e4 8365fc00 } | |
| $sequence_2 | hex | { 8b45d4 50 6a05 8b4de4 51 ff15???????? } | |
| $sequence_3 | hex | { ff15???????? eb1e 8b4de4 51 } | |
| $sequence_4 | hex | { e8???????? c705????????01000000 e8???????? 84c0 744d e8???????? e8???????? } | |
| $sequence_5 | hex | { c745e400000000 6a00 6800008000 6a00 6a00 6a00 8b55d0 } | |
| $sequence_6 | hex | { c705????????02000000 a900000008 7454 a9???????? } | |
| $sequence_7 | hex | { 52 6a1f 8b45e4 50 ff15???????? } | |
| $sequence_8 | hex | { 81ca80000000 8955f8 6a04 8d45f8 50 6a1f } | |
| $sequence_9 | hex | { 6800008000 6a00 6a00 6a00 8b55d0 52 } |
Condition
7 of them and filesize < 296960In plain words (Heuristic)
- The file must be smaller than 296960 (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: 1e8c56d3-bc96-5685-bd56-a98ffc12ea42
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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