YARA · Malpedia signator rules
MALPEDIA_Win_Invisimole_Auto
autogenerated rule brought to you by yara-signator
MalwareInvisimoleMalpedia 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: Invisimole.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-invisimole-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Invisimole_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "00c4d480-eaff-5d5b-b7ed-fc8b15da400c"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.invisimole"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.invisimole_auto.yar#L1-L129"
= "N/A"
= "14d34ed0e95c30e1382775d7712f70010bd01725cbef579fec5803fe70172684"
= 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 = { 8d45c8 50 8d75fc b80a020000 e8???????? 8bf0 83c404 }
$sequence_1 = { 57 6810040000 6a08 50 ff15???????? 8bf8 85ff }
$sequence_2 = { 8b06 6a00 050080c12a 6880969800 }
$sequence_3 = { 7418 8b45fc 40 8945fc 83f80a 0f8c51ffffff 5e }
$sequence_4 = { 50 ffd7 8bd8 895df4 85db 0f843e010000 }
$sequence_5 = { c645bc0d 668955bd 894dbf 8bde 7409 83c302 66833b2a }
$sequence_6 = { 0f8443010000 8b15???????? 52 ffd7 8bd8 895c2434 }
$sequence_7 = { ff15???????? 807c241300 0f85e8030000 33f6 33db 89742414 89742418 }
$sequence_8 = { 52 ff15???????? e9???????? a1???????? 50 ffd7 8bf0 }
$sequence_9 = { 50 8b07 e8???????? 83c414 83f801 0f85920c0000 d1ee }
condition:
7 of them and filesize < 139264
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 8d45c8 50 8d75fc b80a020000 e8???????? 8bf0 83c404 } | |
| $sequence_1 | hex | { 57 6810040000 6a08 50 ff15???????? 8bf8 85ff } | |
| $sequence_2 | hex | { 8b06 6a00 050080c12a 6880969800 } | |
| $sequence_3 | hex | { 7418 8b45fc 40 8945fc 83f80a 0f8c51ffffff 5e } | |
| $sequence_4 | hex | { 50 ffd7 8bd8 895df4 85db 0f843e010000 } | |
| $sequence_5 | hex | { c645bc0d 668955bd 894dbf 8bde 7409 83c302 66833b2a } | |
| $sequence_6 | hex | { 0f8443010000 8b15???????? 52 ffd7 8bd8 895c2434 } | |
| $sequence_7 | hex | { ff15???????? 807c241300 0f85e8030000 33f6 33db 89742414 89742418 } | |
| $sequence_8 | hex | { 52 ff15???????? e9???????? a1???????? 50 ffd7 8bf0 } | |
| $sequence_9 | hex | { 50 8b07 e8???????? 83c414 83f801 0f85920c0000 d1ee } |
Condition
7 of them and filesize < 139264In plain words (Heuristic)
- The file must be smaller than 139264 (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: 00c4d480-eaff-5d5b-b7ed-fc8b15da400c
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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