YARA · Malpedia signator rules
MALPEDIA_Win_Gameover_Dga_Auto
autogenerated rule brought to you by yara-signator
MalwareGameover DgaMalpedia 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: Gameover Dga.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-gameover-dga-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Gameover_Dga_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "d0deb00f-20bf-54ee-ac2a-b815bfa3a04c"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.gameover_dga"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.gameover_dga_auto.yar#L1-L125"
= "N/A"
= "6853ca875b9922eee85be901a94422b237b8c9ab90a04ee28a8354c1b76df52d"
= 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 = { 7505 83c8ff eb27 837c240c00 7417 6b460860 6a60 }
$sequence_1 = { 8bc2 2bc1 89442474 8bc3 2bc1 0fb64d05 89442478 }
$sequence_2 = { 50 6a07 6800000080 ff7508 ff15???????? 89442410 }
$sequence_3 = { 8bdf 397e10 7625 8b460c 8d4c2418 03c3 89442424 }
$sequence_4 = { 84c0 0f8488000000 8b35???????? 57 8b3d???????? }
$sequence_5 = { 7422 6a00 6a01 ba???????? 33c9 }
$sequence_6 = { ffb4245c010000 52 8b542448 e8???????? 85c0 0f8534010000 8b6c2438 }
$sequence_7 = { 6a08 50 56 c645f400 }
$sequence_8 = { 740a 48 0f8527100000 800e80 8b542414 8a4e17 }
$sequence_9 = { 8b4c2410 eb05 6a05 58 8bc8 69f860ea0000 69c160ea0000 }
condition:
7 of them and filesize < 540672
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 7505 83c8ff eb27 837c240c00 7417 6b460860 6a60 } | |
| $sequence_1 | hex | { 8bc2 2bc1 89442474 8bc3 2bc1 0fb64d05 89442478 } | |
| $sequence_2 | hex | { 50 6a07 6800000080 ff7508 ff15???????? 89442410 } | |
| $sequence_3 | hex | { 8bdf 397e10 7625 8b460c 8d4c2418 03c3 89442424 } | |
| $sequence_4 | hex | { 84c0 0f8488000000 8b35???????? 57 8b3d???????? } | |
| $sequence_5 | hex | { 7422 6a00 6a01 ba???????? 33c9 } | |
| $sequence_6 | hex | { ffb4245c010000 52 8b542448 e8???????? 85c0 0f8534010000 8b6c2438 } | |
| $sequence_7 | hex | { 6a08 50 56 c645f400 } | |
| $sequence_8 | hex | { 740a 48 0f8527100000 800e80 8b542414 8a4e17 } | |
| $sequence_9 | hex | { 8b4c2410 eb05 6a05 58 8bc8 69f860ea0000 69c160ea0000 } |
Condition
7 of them and filesize < 540672In plain words (Heuristic)
- The file must be smaller than 540672 (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: d0deb00f-20bf-54ee-ac2a-b815bfa3a04c
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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