YARA · Malpedia signator rules
MALPEDIA_Win_Rugmi_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: Rugmi.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-rugmi-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Rugmi_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "fa80078d-a0c0-5807-b050-54f5c1a74936"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.rugmi"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.rugmi_auto.yar#L1-L132"
= "N/A"
= "89048014201b3c23aeb4b5345e94eb65234f04de3882329a0c258d4184d5cf44"
= 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 = { c60020 40 8a08 84c9 75f1 385df4 74d6 }
$sequence_1 = { 6806010000 8d85a0fdffff 50 ff75fc 8d85a8feffff 50 e8???????? }
$sequence_2 = { 05d0050000 e9???????? 8b4510 ff30 8b4508 05d4050000 }
$sequence_3 = { 898724010000 0f846cfaffff 50 ff15???????? 898728010000 59 85c0 }
$sequence_4 = { 59 59 85c0 7430 8b4e24 bf???????? 85c9 }
$sequence_5 = { 80be0402000000 0f848c000000 8b8398010000 8b96b8000000 6a20 59 80784700 }
$sequence_6 = { 740d 80b84302000000 7504 8bc1 eb02 33c0 83e800 }
$sequence_7 = { 56 e8???????? 83c410 85c0 0f84e5000000 8a55ff }
$sequence_8 = { 59 85c0 7525 8b868c020000 f6404002 7411 ff750c }
$sequence_9 = { 57 e8???????? 6a02 57 e8???????? 83c428 e9???????? }
condition:
7 of them and filesize < 950272
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { c60020 40 8a08 84c9 75f1 385df4 74d6 } | |
| $sequence_1 | hex | { 6806010000 8d85a0fdffff 50 ff75fc 8d85a8feffff 50 e8???????? } | |
| $sequence_2 | hex | { 05d0050000 e9???????? 8b4510 ff30 8b4508 05d4050000 } | |
| $sequence_3 | hex | { 898724010000 0f846cfaffff 50 ff15???????? 898728010000 59 85c0 } | |
| $sequence_4 | hex | { 59 59 85c0 7430 8b4e24 bf???????? 85c9 } | |
| $sequence_5 | hex | { 80be0402000000 0f848c000000 8b8398010000 8b96b8000000 6a20 59 80784700 } | |
| $sequence_6 | hex | { 740d 80b84302000000 7504 8bc1 eb02 33c0 83e800 } | |
| $sequence_7 | hex | { 56 e8???????? 83c410 85c0 0f84e5000000 8a55ff } | |
| $sequence_8 | hex | { 59 85c0 7525 8b868c020000 f6404002 7411 ff750c } | |
| $sequence_9 | hex | { 57 e8???????? 6a02 57 e8???????? 83c428 e9???????? } |
Condition
7 of them and filesize < 950272In plain words (Heuristic)
- The file must be smaller than 950272 (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: fa80078d-a0c0-5807-b050-54f5c1a74936
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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