YARA · Malpedia signator rules
MALPEDIA_Win_Gopuram_Auto
autogenerated rule brought to you by yara-signator
MalwareGopuramMalpedia signator rulesCreative Commons Attribution-ShareAlike 4.0Compiles with YARA-X
- 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: Gopuram.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-gopuram-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Gopuram_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "d46ee5bd-52d4-54a5-be53-0334cf5f9913"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.gopuram"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.gopuram_auto.yar#L1-L134"
= "N/A"
= "871d50c153fa123d087ade67947bc98f3c1ee58497592ec0f7d9b8f854054f61"
= 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 = { 488d4df0 e8???????? 8b4584 ffc0 894584 483b45b0 7323 }
$sequence_1 = { 83c804 83e017 894210 854214 7509 488d05c6cbfdff eb0a }
$sequence_2 = { 85c0 488b01 400f94c6 ff9080010000 41b973020000 4c8d05c7ad0700 8bd6 }
$sequence_3 = { e8???????? 4c8d05882a0600 41b91c230000 8bd7 498bce c744242000000000 e8???????? }
$sequence_4 = { 488b6c2438 488b5c2430 488b4f10 4c897708 ff15???????? 488b4f18 4c897710 }
$sequence_5 = { 488d0550aa0500 488945a0 0f1005???????? 0f294590 33ff 4889bc24b0000000 488d4da0 }
$sequence_6 = { 8bd8 ba04000000 498bcf e8???????? 33c9 894c2420 41b9c0100000 }
$sequence_7 = { 8bd3 488bc8 e8???????? 8905???????? 85c0 753f 498b0e }
$sequence_8 = { eb21 4533ff 44897c2420 41b940010000 4c8d05b9990400 8bd6 498bce }
$sequence_9 = { e9???????? 488b442440 410fb74c0728 81e1ff0f0000 8d4180 83f802 760c }
condition:
7 of them and filesize < 1591296
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 488d4df0 e8???????? 8b4584 ffc0 894584 483b45b0 7323 } | |
| $sequence_1 | hex | { 83c804 83e017 894210 854214 7509 488d05c6cbfdff eb0a } | |
| $sequence_2 | hex | { 85c0 488b01 400f94c6 ff9080010000 41b973020000 4c8d05c7ad0700 8bd6 } | |
| $sequence_3 | hex | { e8???????? 4c8d05882a0600 41b91c230000 8bd7 498bce c744242000000000 e8???????? } | |
| $sequence_4 | hex | { 488b6c2438 488b5c2430 488b4f10 4c897708 ff15???????? 488b4f18 4c897710 } | |
| $sequence_5 | hex | { 488d0550aa0500 488945a0 0f1005???????? 0f294590 33ff 4889bc24b0000000 488d4da0 } | |
| $sequence_6 | hex | { 8bd8 ba04000000 498bcf e8???????? 33c9 894c2420 41b9c0100000 } | |
| $sequence_7 | hex | { 8bd3 488bc8 e8???????? 8905???????? 85c0 753f 498b0e } | |
| $sequence_8 | hex | { eb21 4533ff 44897c2420 41b940010000 4c8d05b9990400 8bd6 498bce } | |
| $sequence_9 | hex | { e9???????? 488b442440 410fb74c0728 81e1ff0f0000 8d4180 83f802 760c } |
Condition
7 of them and filesize < 1591296In plain words (Heuristic)
- The file must be smaller than 1591296 (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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Drop a file here or click to chooseScanned locally with YARA-X. Files up to 200 MB.
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: d46ee5bd-52d4-54a5-be53-0334cf5f9913
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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