YARA · Malpedia signator rules
MALPEDIA_Win_Rovnix_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 / 73
What this rule detects
autogenerated rule brought to you by yara-signator
Associated malware family: Rovnix.
It defines 36 patterns (0 text, 36 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-rovnix-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Rovnix_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "96cca0a7-218f-5ee0-9ffd-50cbfca54b67"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.rovnix"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.rovnix_auto.yar#L1-L326"
= "N/A"
= "09bad611863bfd4b106094172a565d95276a93c2f1fd033ad8314dfd7e9f170e"
= 75
= 73
= "FILE"
= "1"
= "yara-signator v0.6.0"
= "callsandjumps;datarefs;binvalue"
= "20260422"
= "a182e35da64e6d71cb55f125c4d4225196523f14"
= "20260504"
= "CC BY-SA 4.0"
= "TLP:WHITE"
strings:
$sequence_0 = { be???????? 8b15???????? 83e7f0 89542418 83c710 }
$sequence_1 = { 837c242c00 7405 57 6a00 ffd2 }
$sequence_2 = { 6a00 ffd2 89442408 8bcf }
$sequence_3 = { c1e902 ad 2bc3 ab e2fa }
$sequence_4 = { 8bf8 83c335 c1e902 ad }
$sequence_5 = { 60 bf40090000 be???????? 8b15???????? }
$sequence_6 = { 85c0 e8???????? 8be5 5d }
$sequence_7 = { 7703 83c220 85c0 7404 }
$sequence_8 = { 8d4e1c 8908 8b4508 c7461801000000 }
$sequence_9 = { 8975d4 8975dc 8975e0 ff15???????? 85c0 }
$sequence_10 = { 894804 8b4608 8b4e0c 8901 894804 8b4718 85c0 }
$sequence_11 = { eb06 8b5d0c 8b7d08 8bcf }
$sequence_12 = { 8d7e08 897f04 893f 894e14 895e10 }
$sequence_13 = { c745ec40020000 8975e8 8975f0 8975f4 ff15???????? 85c0 }
$sequence_14 = { 8b4d0c 897604 8936 8d7e08 897f04 }
$sequence_15 = { 8b00 3bc1 75f3 395e14 }
$sequence_16 = { 23c9 16 85c9 23d2 }
$sequence_17 = { 5d c3 85c0 e8???????? }
$sequence_18 = { 23db 81e1ff000000 23c9 83440c0404 }
$sequence_19 = { 55 8bec 85db 85c9 }
$sequence_20 = { 8be5 5d c3 85c9 e8???????? }
$sequence_21 = { 9f ed c43f d332 92 33d3 3a922fd34292 }
$sequence_22 = { 6689442444 0fb7c1 66c1e909 66c1e805 6683e00f 6689442442 }
$sequence_23 = { 83c710 8bea b89b97d1c2 05???????? 05???????? 2d9b97d0c2 837c242c00 }
$sequence_24 = { 488364245800 488364247000 488364247800 488d442430 4c8d4c2440 }
$sequence_25 = { 45 7d58 95 08c1 a3???????? }
$sequence_26 = { 0b616c 16 00ef 7d18 48 f1 7067 }
$sequence_27 = { ab e2fa 61 ba54060000 03ea }
$sequence_28 = { 488d4c2448 448d4228 e8???????? 488d0503fcffff }
$sequence_29 = { 488b442438 443838 7409 ffc1 }
$sequence_30 = { 498943f0 49895bf8 41c643bbe0 488b0d???????? 488bd7 ff15???????? }
$sequence_31 = { 4489742428 448bc9 894c2420 488b4d00 450fafcc 4c034d10 }
$sequence_32 = { 488b4ccb08 e8???????? ff0b 3933 75e5 }
$sequence_33 = { 74e5 01c4 035dfc 022464 b428 40 40 }
$sequence_34 = { 16 d24055 2672f7 6232 ce 3d2033ce3d 6215???????? }
$sequence_35 = { 46 92 c55151 a2???????? d24b46 92 c55151 }
condition:
7 of them and filesize < 548864
}
Strings (36 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { be???????? 8b15???????? 83e7f0 89542418 83c710 } | |
| $sequence_1 | hex | { 837c242c00 7405 57 6a00 ffd2 } | |
| $sequence_2 | hex | { 6a00 ffd2 89442408 8bcf } | |
| $sequence_3 | hex | { c1e902 ad 2bc3 ab e2fa } | |
| $sequence_4 | hex | { 8bf8 83c335 c1e902 ad } | |
| $sequence_5 | hex | { 60 bf40090000 be???????? 8b15???????? } | |
| $sequence_6 | hex | { 85c0 e8???????? 8be5 5d } | |
| $sequence_7 | hex | { 7703 83c220 85c0 7404 } | |
| $sequence_8 | hex | { 8d4e1c 8908 8b4508 c7461801000000 } | |
| $sequence_9 | hex | { 8975d4 8975dc 8975e0 ff15???????? 85c0 } | |
| $sequence_10 | hex | { 894804 8b4608 8b4e0c 8901 894804 8b4718 85c0 } | |
| $sequence_11 | hex | { eb06 8b5d0c 8b7d08 8bcf } | |
| $sequence_12 | hex | { 8d7e08 897f04 893f 894e14 895e10 } | |
| $sequence_13 | hex | { c745ec40020000 8975e8 8975f0 8975f4 ff15???????? 85c0 } | |
| $sequence_14 | hex | { 8b4d0c 897604 8936 8d7e08 897f04 } | |
| $sequence_15 | hex | { 8b00 3bc1 75f3 395e14 } | |
| $sequence_16 | hex | { 23c9 16 85c9 23d2 } | |
| $sequence_17 | hex | { 5d c3 85c0 e8???????? } | |
| $sequence_18 | hex | { 23db 81e1ff000000 23c9 83440c0404 } | |
| $sequence_19 | hex | { 55 8bec 85db 85c9 } | |
| $sequence_20 | hex | { 8be5 5d c3 85c9 e8???????? } | |
| $sequence_21 | hex | { 9f ed c43f d332 92 33d3 3a922fd34292 } | |
| $sequence_22 | hex | { 6689442444 0fb7c1 66c1e909 66c1e805 6683e00f 6689442442 } | |
| $sequence_23 | hex | { 83c710 8bea b89b97d1c2 05???????? 05???????? 2d9b97d0c2 837c242c00 } | |
| $sequence_24 | hex | { 488364245800 488364247000 488364247800 488d442430 4c8d4c2440 } | |
| $sequence_25 | hex | { 45 7d58 95 08c1 a3???????? } | |
| $sequence_26 | hex | { 0b616c 16 00ef 7d18 48 f1 7067 } | |
| $sequence_27 | hex | { ab e2fa 61 ba54060000 03ea } | |
| $sequence_28 | hex | { 488d4c2448 448d4228 e8???????? 488d0503fcffff } | |
| $sequence_29 | hex | { 488b442438 443838 7409 ffc1 } | |
| $sequence_30 | hex | { 498943f0 49895bf8 41c643bbe0 488b0d???????? 488bd7 ff15???????? } | |
| $sequence_31 | hex | { 4489742428 448bc9 894c2420 488b4d00 450fafcc 4c034d10 } | |
| $sequence_32 | hex | { 488b4ccb08 e8???????? ff0b 3933 75e5 } | |
| $sequence_33 | hex | { 74e5 01c4 035dfc 022464 b428 40 40 } | |
| $sequence_34 | hex | { 16 d24055 2672f7 6232 ce 3d2033ce3d 6215???????? } | |
| $sequence_35 | hex | { 46 92 c55151 a2???????? d24b46 92 c55151 } |
Condition
7 of them and filesize < 548864In plain words (Heuristic)
- The file must be smaller than 548864 (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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Drop a file here or click to chooseScanned locally with YARA-X. Files up to 200 MB.
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: 96cca0a7-218f-5ee0-9ffd-50cbfca54b67
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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