YARA · Malpedia signator rules
MALPEDIA_Win_Remy_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: Remy.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-remy-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Remy_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "4fd49031-cc3c-54fe-bbeb-7fecb98a473f"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.remy"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.remy_auto.yar#L1-L128"
= "N/A"
= "05547b7ea61110404e982af5f60cdc55cc16ba8fc93ea7a1a41cb545e334bd46"
= 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 = { 8985acfeffff 3bfb 0f8412020000 399db0feffff 0f8406020000 8bb5c4feffff 3bf3 }
$sequence_1 = { 8985b0feffff 8d8d68ffffff 8d9540ffffff 898da8feffff 8995acfeffff 8d8510ffffff 8d4dc4 }
$sequence_2 = { c745c40f000000 e8???????? 83ec1c c645fc04 8bf4 c746140f000000 }
$sequence_3 = { 33c9 32d2 895c2460 e8???????? 83c40c 83f805 }
$sequence_4 = { 8d4dd4 800127 41 3819 75f8 8bfa }
$sequence_5 = { c745fcfeffffff eb7a 8d9648100000 2bc1 8902 8d4c3148 898e4c100000 }
$sequence_6 = { 837d1c10 8b4508 7303 8d4508 8b4d18 51 50 }
$sequence_7 = { e8???????? 83c404 891f 895f04 }
$sequence_8 = { 8d443464 50 51 ff15???????? 3bc3 7e08 2bf8 }
$sequence_9 = { c7459c493e472b c745a03e4a4e3e 66c745a44c4d c645a600 c745d030424721 c745d44d4d492b c745d83e3a3d1d }
condition:
7 of them and filesize < 507904
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 8985acfeffff 3bfb 0f8412020000 399db0feffff 0f8406020000 8bb5c4feffff 3bf3 } | |
| $sequence_1 | hex | { 8985b0feffff 8d8d68ffffff 8d9540ffffff 898da8feffff 8995acfeffff 8d8510ffffff 8d4dc4 } | |
| $sequence_2 | hex | { c745c40f000000 e8???????? 83ec1c c645fc04 8bf4 c746140f000000 } | |
| $sequence_3 | hex | { 33c9 32d2 895c2460 e8???????? 83c40c 83f805 } | |
| $sequence_4 | hex | { 8d4dd4 800127 41 3819 75f8 8bfa } | |
| $sequence_5 | hex | { c745fcfeffffff eb7a 8d9648100000 2bc1 8902 8d4c3148 898e4c100000 } | |
| $sequence_6 | hex | { 837d1c10 8b4508 7303 8d4508 8b4d18 51 50 } | |
| $sequence_7 | hex | { e8???????? 83c404 891f 895f04 } | |
| $sequence_8 | hex | { 8d443464 50 51 ff15???????? 3bc3 7e08 2bf8 } | |
| $sequence_9 | hex | { c7459c493e472b c745a03e4a4e3e 66c745a44c4d c645a600 c745d030424721 c745d44d4d492b c745d83e3a3d1d } |
Condition
7 of them and filesize < 507904In plain words (Heuristic)
- The file must be smaller than 507904 (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: 4fd49031-cc3c-54fe-bbeb-7fecb98a473f
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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