YARA · Malpedia signator rules
MALPEDIA_Win_Tinytyphon_Auto
autogenerated rule brought to you by yara-signator
MalwareTinytyphonMalpedia 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: Tinytyphon.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-tinytyphon-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Tinytyphon_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "8401d1c7-7a44-566c-a403-1edcf7c9f03c"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.tinytyphon"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.tinytyphon_auto.yar#L1-L128"
= "N/A"
= "fcd0fad7aefc3a2ebd626ef8e532007ac6782fdf59d1c8aa064467c747f920b8"
= 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 = { 7410 8b4508 0fbe08 0fbe550c 3bca }
$sequence_1 = { 8d8c08d9026f67 894ddc 8b55dc c1e20e 8b45dc c1e812 0bd0 }
$sequence_2 = { 8945b0 837db000 7406 837db0ff }
$sequence_3 = { 6800040000 ff15???????? ebee 6a00 ff15???????? 33c0 8be5 }
$sequence_4 = { 83c101 898ddcfeffff 8b95ecfeffff 0395dcfeffff 0fb602 3d9a000000 }
$sequence_5 = { 8b4de4 c1e909 0bc1 8945e4 8b55e4 0355dc 8955e4 }
$sequence_6 = { 034de4 894df8 8b55f4 0fb64204 8b4df4 0fb65105 c1e208 }
$sequence_7 = { c1e814 0bd0 8955e0 8b4de0 034df8 894de0 8b55f4 }
$sequence_8 = { 8945dc 8b55dc 0355e0 8955dc 8b45dc 3345e0 2345f8 }
$sequence_9 = { e8???????? 83c408 8d4db8 51 ff15???????? 8945b0 837db000 }
condition:
7 of them and filesize < 90112
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 7410 8b4508 0fbe08 0fbe550c 3bca } | |
| $sequence_1 | hex | { 8d8c08d9026f67 894ddc 8b55dc c1e20e 8b45dc c1e812 0bd0 } | |
| $sequence_2 | hex | { 8945b0 837db000 7406 837db0ff } | |
| $sequence_3 | hex | { 6800040000 ff15???????? ebee 6a00 ff15???????? 33c0 8be5 } | |
| $sequence_4 | hex | { 83c101 898ddcfeffff 8b95ecfeffff 0395dcfeffff 0fb602 3d9a000000 } | |
| $sequence_5 | hex | { 8b4de4 c1e909 0bc1 8945e4 8b55e4 0355dc 8955e4 } | |
| $sequence_6 | hex | { 034de4 894df8 8b55f4 0fb64204 8b4df4 0fb65105 c1e208 } | |
| $sequence_7 | hex | { c1e814 0bd0 8955e0 8b4de0 034df8 894de0 8b55f4 } | |
| $sequence_8 | hex | { 8945dc 8b55dc 0355e0 8955dc 8b45dc 3345e0 2345f8 } | |
| $sequence_9 | hex | { e8???????? 83c408 8d4db8 51 ff15???????? 8945b0 837db000 } |
Condition
7 of them and filesize < 90112In plain words (Heuristic)
- The file must be smaller than 90112 (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: 8401d1c7-7a44-566c-a403-1edcf7c9f03c
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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