YARA · Malpedia signator rules
MALPEDIA_Win_Whispergate_Auto
autogenerated rule brought to you by yara-signator
MalwareWhispergateMalpedia 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: Whispergate.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-whispergate-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Whispergate_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "c5290043-19ea-5c32-a2ba-8565baa0d7b5"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.whispergate"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.whispergate_auto.yar#L1-L118"
= "N/A"
= "6c0d0966d06d85ae8563d605e30aa1d97700858fdb23c919af01a4e6e5cfc9ca"
= 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 = { 7405 e8???????? 8b4308 85c0 7404 85f6 }
$sequence_1 = { 7510 e8???????? c70009000000 83c418 }
$sequence_2 = { 83f803 8903 7431 e8???????? 81380b010000 }
$sequence_3 = { 3c5d 742e 3c7f 7415 }
$sequence_4 = { 7468 0fbeda 83fb5d 8d7701 0f841a010000 83fb2d 0f848d000000 }
$sequence_5 = { ebde c705????????feffffff ff15???????? ebcc }
$sequence_6 = { 8b7db4 8945b4 c704240c000000 e8???????? 85c0 0f8418030000 }
$sequence_7 = { 0f8565ffffff 90 8d742600 c60200 }
$sequence_8 = { 83fb2f 0f8400010000 83fb5c 0f84f7000000 0fb616 89dd 89f7 }
$sequence_9 = { 89e5 57 56 53 83ec2c 8b7514 8b5d08 }
condition:
7 of them and filesize < 114688
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 7405 e8???????? 8b4308 85c0 7404 85f6 } | |
| $sequence_1 | hex | { 7510 e8???????? c70009000000 83c418 } | |
| $sequence_2 | hex | { 83f803 8903 7431 e8???????? 81380b010000 } | |
| $sequence_3 | hex | { 3c5d 742e 3c7f 7415 } | |
| $sequence_4 | hex | { 7468 0fbeda 83fb5d 8d7701 0f841a010000 83fb2d 0f848d000000 } | |
| $sequence_5 | hex | { ebde c705????????feffffff ff15???????? ebcc } | |
| $sequence_6 | hex | { 8b7db4 8945b4 c704240c000000 e8???????? 85c0 0f8418030000 } | |
| $sequence_7 | hex | { 0f8565ffffff 90 8d742600 c60200 } | |
| $sequence_8 | hex | { 83fb2f 0f8400010000 83fb5c 0f84f7000000 0fb616 89dd 89f7 } | |
| $sequence_9 | hex | { 89e5 57 56 53 83ec2c 8b7514 8b5d08 } |
Condition
7 of them and filesize < 114688In plain words (Heuristic)
- The file must be smaller than 114688 (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: c5290043-19ea-5c32-a2ba-8565baa0d7b5
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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