YARA · Malpedia signator rules
MALPEDIA_Win_Greetingghoul_Auto
autogenerated rule brought to you by yara-signator
MalwareGreetingghoulMalpedia 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: Greetingghoul.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-greetingghoul-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Greetingghoul_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "6c14af68-da6d-5b24-80f0-48ba293ab79e"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.greetingghoul"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.greetingghoul_auto.yar#L1-L120"
= "N/A"
= "a220e01958d87b5b4883dc4814107cea0d517f5f46c560bd7a2ca6b3d563b9c4"
= 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 = { 8d7f01 8a08 886dff 3acd 750c 40 }
$sequence_1 = { 7409 8b7df8 4e 43 85f6 }
$sequence_2 = { 891e 85db 746f 8b7508 }
$sequence_3 = { 41 84c0 7405 83ea01 75eb 8b5dfc }
$sequence_4 = { 8d1438 6a20 8903 e8???????? 83c404 85c0 }
$sequence_5 = { 6a01 e8???????? 83c404 85c0 7e02 }
$sequence_6 = { 8b7508 0f57c0 57 660fd603 33ff c6430800 c70600000000 }
$sequence_7 = { 3bcb 7d24 83c8ff 33d2 f7f3 }
$sequence_8 = { 8d4801 51 e8???????? 8b0b 83c404 }
$sequence_9 = { 8bd0 8bcf 85c0 7442 85ff 743e 0f1f4000 }
condition:
7 of them and filesize < 696320
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 8d7f01 8a08 886dff 3acd 750c 40 } | |
| $sequence_1 | hex | { 7409 8b7df8 4e 43 85f6 } | |
| $sequence_2 | hex | { 891e 85db 746f 8b7508 } | |
| $sequence_3 | hex | { 41 84c0 7405 83ea01 75eb 8b5dfc } | |
| $sequence_4 | hex | { 8d1438 6a20 8903 e8???????? 83c404 85c0 } | |
| $sequence_5 | hex | { 6a01 e8???????? 83c404 85c0 7e02 } | |
| $sequence_6 | hex | { 8b7508 0f57c0 57 660fd603 33ff c6430800 c70600000000 } | |
| $sequence_7 | hex | { 3bcb 7d24 83c8ff 33d2 f7f3 } | |
| $sequence_8 | hex | { 8d4801 51 e8???????? 8b0b 83c404 } | |
| $sequence_9 | hex | { 8bd0 8bcf 85c0 7442 85ff 743e 0f1f4000 } |
Condition
7 of them and filesize < 696320In plain words (Heuristic)
- The file must be smaller than 696320 (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: 6c14af68-da6d-5b24-80f0-48ba293ab79e
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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