YARA · Malpedia signator rules
MALPEDIA_Win_Remus_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: Remus.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-remus-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Remus_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "2418691b-bfa3-53c7-8042-79c45de3be4c"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.remus"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.remus_auto.yar#L1-L130"
= "N/A"
= "280229eb33c473e7345c774cc14b3e45e3c50c5dec27b2e29f787d916e88bb7f"
= 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 = { 4989c1 4929d1 4983c1fe 4c8d442410 90 4c89ca 450fb610 }
$sequence_1 = { 4989f0 e8???????? 4883c420 4889f1 4883c104 4883e804 8b16 }
$sequence_2 = { 4c89e9 e8???????? 4883bc24e800000000 0f84b4fdffff 4d85e4 0f84abfdffff }
$sequence_3 = { 48c744242000000000 41b805000000 ba04000000 4531c9 e8???????? c744245000000000 }
$sequence_4 = { 05e4fb1700 31c1 8b8424c0000000 8b8424c0000000 89c2 83e201 83f001 }
$sequence_5 = { ba03000000 4989c0 4531c9 4889c7 e8???????? 4889f8 488b0d???????? }
$sequence_6 = { 4c89f9 4989d8 4531c9 e8???????? 4c89f9 4889fa }
$sequence_7 = { 4885c9 740a 448b481c 41d1e9 448909 488b8c24b8000000 }
$sequence_8 = { 8b8c2410030000 85c9 74cb 39c5 7469 c784241003000000000000 8b8c2410030000 }
$sequence_9 = { 4c8b65d0 eb00 83f800 7509 488b5b08 e9???????? eb00 }
condition:
7 of them and filesize < 475136
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 4989c1 4929d1 4983c1fe 4c8d442410 90 4c89ca 450fb610 } | |
| $sequence_1 | hex | { 4989f0 e8???????? 4883c420 4889f1 4883c104 4883e804 8b16 } | |
| $sequence_2 | hex | { 4c89e9 e8???????? 4883bc24e800000000 0f84b4fdffff 4d85e4 0f84abfdffff } | |
| $sequence_3 | hex | { 48c744242000000000 41b805000000 ba04000000 4531c9 e8???????? c744245000000000 } | |
| $sequence_4 | hex | { 05e4fb1700 31c1 8b8424c0000000 8b8424c0000000 89c2 83e201 83f001 } | |
| $sequence_5 | hex | { ba03000000 4989c0 4531c9 4889c7 e8???????? 4889f8 488b0d???????? } | |
| $sequence_6 | hex | { 4c89f9 4989d8 4531c9 e8???????? 4c89f9 4889fa } | |
| $sequence_7 | hex | { 4885c9 740a 448b481c 41d1e9 448909 488b8c24b8000000 } | |
| $sequence_8 | hex | { 8b8c2410030000 85c9 74cb 39c5 7469 c784241003000000000000 8b8c2410030000 } | |
| $sequence_9 | hex | { 4c8b65d0 eb00 83f800 7509 488b5b08 e9???????? eb00 } |
Condition
7 of them and filesize < 475136In plain words (Heuristic)
- The file must be smaller than 475136 (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: 2418691b-bfa3-53c7-8042-79c45de3be4c
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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