YARA · Malpedia signator rules
MALPEDIA_Win_Rover_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: Rover.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-rover-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Rover_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "a94fb808-7e56-5492-98ac-632fdf016e39"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.rover"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.rover_auto.yar#L1-L129"
= "N/A"
= "a753dd562e4da41a9541695181d1e9b32b384eb5d0fad8b4827765d59d5a523e"
= 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 = { 8b85ec030000 51 8d9570020000 52 89859c020000 e8???????? 83c408 }
$sequence_1 = { 8b750c 68???????? e8???????? 83c404 85c0 }
$sequence_2 = { e8???????? 83c408 83ff27 770f 8b04bd585f4400 50 68???????? }
$sequence_3 = { 53 8b5c2408 8915???????? 8b15???????? }
$sequence_4 = { 52 ff15???????? 8bf0 83c408 85f6 7404 c60600 }
$sequence_5 = { 8bc3 e8???????? 89442420 33c0 89442414 8d9b00000000 8b542420 }
$sequence_6 = { 85ed 0f8422010000 807d0000 0f8418010000 55 68???????? e8???????? }
$sequence_7 = { 8b4c241c 51 ff15???????? 83c404 8bc6 e9???????? 8b542410 }
$sequence_8 = { 894708 85c0 75d9 5d 5b 5f b81b000000 }
$sequence_9 = { 8bd5 2bd0 52 50 8b442418 50 ff15???????? }
condition:
7 of them and filesize < 704512
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 8b85ec030000 51 8d9570020000 52 89859c020000 e8???????? 83c408 } | |
| $sequence_1 | hex | { 8b750c 68???????? e8???????? 83c404 85c0 } | |
| $sequence_2 | hex | { e8???????? 83c408 83ff27 770f 8b04bd585f4400 50 68???????? } | |
| $sequence_3 | hex | { 53 8b5c2408 8915???????? 8b15???????? } | |
| $sequence_4 | hex | { 52 ff15???????? 8bf0 83c408 85f6 7404 c60600 } | |
| $sequence_5 | hex | { 8bc3 e8???????? 89442420 33c0 89442414 8d9b00000000 8b542420 } | |
| $sequence_6 | hex | { 85ed 0f8422010000 807d0000 0f8418010000 55 68???????? e8???????? } | |
| $sequence_7 | hex | { 8b4c241c 51 ff15???????? 83c404 8bc6 e9???????? 8b542410 } | |
| $sequence_8 | hex | { 894708 85c0 75d9 5d 5b 5f b81b000000 } | |
| $sequence_9 | hex | { 8bd5 2bd0 52 50 8b442418 50 ff15???????? } |
Condition
7 of them and filesize < 704512In plain words (Heuristic)
- The file must be smaller than 704512 (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: a94fb808-7e56-5492-98ac-632fdf016e39
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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