YARA · Malpedia signator rules
MALPEDIA_Win_Mirage_Auto
autogenerated rule brought to you by yara-signator
- 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: Mirage.
It defines 16 patterns (0 text, 16 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-mirage-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Mirage_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "813398a6-3711-515c-9ac9-8411b782d9bd"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.mirage"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.mirage_auto.yar#L1-L164"
= "N/A"
= "efb9857223c67ed9db4dc7057f43c79e6ea4a93ea767644ffaf1234715df36cf"
= 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 = { 6801000080 ff15???????? 85c0 7556 }
$sequence_1 = { 85c0 7541 0fb68799010000 50 }
$sequence_2 = { 83f8ff 8945fc 0f84d0000000 be14410000 8d85d4beffff 56 }
$sequence_3 = { 33ff 50 57 ff15???????? 85c0 0f84f4000000 8d85c0feffff }
$sequence_4 = { 8b8534ffffff 5e c1e814 40 }
$sequence_5 = { b8???????? e8???????? 81ec64030000 53 56 57 }
$sequence_6 = { 50 ff35???????? e8???????? 83c424 8935???????? ff75fc }
$sequence_7 = { 33c0 8d7dc9 80a41dc4f6ffff00 f3ab }
$sequence_8 = { c745f804010000 ff75fc ff15???????? ff75fc }
$sequence_9 = { 53 68???????? c745f804010000 ff75fc }
$sequence_10 = { 53 68???????? 6801000080 894df0 c745fc04000000 881f 899948010000 }
$sequence_11 = { 59 3bde 0f84dd000000 8d4701 }
$sequence_12 = { 8d45f0 50 8bce e8???????? 8bf7 }
$sequence_13 = { 8b4df0 8d0441 69c0f4010000 50 ff15???????? ff45f0 }
$sequence_14 = { ffd3 6683a550faffff00 b981000000 33c0 8dbd52faffff f3ab 66ab }
$sequence_15 = { 743e 8d8500ebffff 50 e8???????? }
condition:
7 of them and filesize < 1695744
}
Strings (16 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 6801000080 ff15???????? 85c0 7556 } | |
| $sequence_1 | hex | { 85c0 7541 0fb68799010000 50 } | |
| $sequence_2 | hex | { 83f8ff 8945fc 0f84d0000000 be14410000 8d85d4beffff 56 } | |
| $sequence_3 | hex | { 33ff 50 57 ff15???????? 85c0 0f84f4000000 8d85c0feffff } | |
| $sequence_4 | hex | { 8b8534ffffff 5e c1e814 40 } | |
| $sequence_5 | hex | { b8???????? e8???????? 81ec64030000 53 56 57 } | |
| $sequence_6 | hex | { 50 ff35???????? e8???????? 83c424 8935???????? ff75fc } | |
| $sequence_7 | hex | { 33c0 8d7dc9 80a41dc4f6ffff00 f3ab } | |
| $sequence_8 | hex | { c745f804010000 ff75fc ff15???????? ff75fc } | |
| $sequence_9 | hex | { 53 68???????? c745f804010000 ff75fc } | |
| $sequence_10 | hex | { 53 68???????? 6801000080 894df0 c745fc04000000 881f 899948010000 } | |
| $sequence_11 | hex | { 59 3bde 0f84dd000000 8d4701 } | |
| $sequence_12 | hex | { 8d45f0 50 8bce e8???????? 8bf7 } | |
| $sequence_13 | hex | { 8b4df0 8d0441 69c0f4010000 50 ff15???????? ff45f0 } | |
| $sequence_14 | hex | { ffd3 6683a550faffff00 b981000000 33c0 8dbd52faffff f3ab 66ab } | |
| $sequence_15 | hex | { 743e 8d8500ebffff 50 e8???????? } |
Condition
7 of them and filesize < 1695744In plain words (Heuristic)
- The file must be smaller than 1695744 (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: 813398a6-3711-515c-9ac9-8411b782d9bd
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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