YARA · Malpedia signator rules
MALPEDIA_Win_Marap_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: Marap.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-marap-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Marap_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "b10f821b-8ff2-589d-803b-f9a90d7546d1"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.marap"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.marap_auto.yar#L1-L117"
= "N/A"
= "546aba24f6e8400321dff7dca511f4540ee158508029bfb4a7f44eaf5c6b5908"
= 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 = { 53 57 52 50 51 68???????? }
$sequence_1 = { c1f805 8b048580320110 83e61f c1e606 }
$sequence_2 = { 8d3c8580320110 8b07 c1e606 f644300401 7436 833c30ff }
$sequence_3 = { 6a01 57 68???????? 89bda8fdffff }
$sequence_4 = { 68???????? 8d9662030000 e8???????? 8b3d???????? 83c410 68???????? 68???????? }
$sequence_5 = { eb22 8386e41d00000f eb19 8386e41d000010 }
$sequence_6 = { 0f848d000000 8bc6 8d5002 668b08 83c002 663bcf 75f5 }
$sequence_7 = { 895df8 0f8576ffffff 8bd7 5f 8bc6 5e }
$sequence_8 = { 50 8dbeb2010000 57 e8???????? }
$sequence_9 = { 6683f858 770f 0fb7c2 0fbe80d8cb0010 83e00f }
condition:
7 of them and filesize < 188416
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 53 57 52 50 51 68???????? } | |
| $sequence_1 | hex | { c1f805 8b048580320110 83e61f c1e606 } | |
| $sequence_2 | hex | { 8d3c8580320110 8b07 c1e606 f644300401 7436 833c30ff } | |
| $sequence_3 | hex | { 6a01 57 68???????? 89bda8fdffff } | |
| $sequence_4 | hex | { 68???????? 8d9662030000 e8???????? 8b3d???????? 83c410 68???????? 68???????? } | |
| $sequence_5 | hex | { eb22 8386e41d00000f eb19 8386e41d000010 } | |
| $sequence_6 | hex | { 0f848d000000 8bc6 8d5002 668b08 83c002 663bcf 75f5 } | |
| $sequence_7 | hex | { 895df8 0f8576ffffff 8bd7 5f 8bc6 5e } | |
| $sequence_8 | hex | { 50 8dbeb2010000 57 e8???????? } | |
| $sequence_9 | hex | { 6683f858 770f 0fb7c2 0fbe80d8cb0010 83e00f } |
Condition
7 of them and filesize < 188416In plain words (Heuristic)
- The file must be smaller than 188416 (a cheap guard that skips large files).
- At least 7 patterns in the rule must match.
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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: b10f821b-8ff2-589d-803b-f9a90d7546d1
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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