YARA · Malpedia signator rules
MALPEDIA_Win_Protonbot_Auto
autogenerated rule brought to you by yara-signator
MalwareProtonbotMalpedia 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: Protonbot.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-protonbot-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Protonbot_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "0b025874-4033-5dff-ba6c-b1bc09e6c801"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.protonbot"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.protonbot_auto.yar#L1-L120"
= "N/A"
= "1ef6a3fa336c600e22de5ca6f4efe226302d7cc2884963a0b59278f8f4892c3b"
= 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 = { c745c800000000 8975ec 8d45dc c645fc03 50 68???????? 57 }
$sequence_1 = { 8bf1 6a04 c745fc01000000 e8???????? 83c404 }
$sequence_2 = { ffd3 85ff 8bbdf4fffeff 7f8d 5e }
$sequence_3 = { 8d85d4fdffff c645fc03 50 6a00 ff15???????? }
$sequence_4 = { c6858cfeffff00 8d7101 8a01 41 }
$sequence_5 = { c7859cfeffff00000000 0f4395bcfeffff 8bca c785a0feffff0f000000 c6858cfeffff00 8d7101 }
$sequence_6 = { c3 6a1c b8???????? e8???????? 8b7508 8365fc00 837d2400 }
$sequence_7 = { 8bce e8???????? 8bc6 8b8c24b4010000 5e }
$sequence_8 = { ffb5f4feffff ff15???????? 8d8dfcfeffff c7461000000000 c746140f000000 8d5101 }
$sequence_9 = { 57 50 8d45f4 64a300000000 8d8dbcfeffff e8???????? }
condition:
7 of them and filesize < 1073152
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { c745c800000000 8975ec 8d45dc c645fc03 50 68???????? 57 } | |
| $sequence_1 | hex | { 8bf1 6a04 c745fc01000000 e8???????? 83c404 } | |
| $sequence_2 | hex | { ffd3 85ff 8bbdf4fffeff 7f8d 5e } | |
| $sequence_3 | hex | { 8d85d4fdffff c645fc03 50 6a00 ff15???????? } | |
| $sequence_4 | hex | { c6858cfeffff00 8d7101 8a01 41 } | |
| $sequence_5 | hex | { c7859cfeffff00000000 0f4395bcfeffff 8bca c785a0feffff0f000000 c6858cfeffff00 8d7101 } | |
| $sequence_6 | hex | { c3 6a1c b8???????? e8???????? 8b7508 8365fc00 837d2400 } | |
| $sequence_7 | hex | { 8bce e8???????? 8bc6 8b8c24b4010000 5e } | |
| $sequence_8 | hex | { ffb5f4feffff ff15???????? 8d8dfcfeffff c7461000000000 c746140f000000 8d5101 } | |
| $sequence_9 | hex | { 57 50 8d45f4 64a300000000 8d8dbcfeffff e8???????? } |
Condition
7 of them and filesize < 1073152In plain words (Heuristic)
- The file must be smaller than 1073152 (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: 0b025874-4033-5dff-ba6c-b1bc09e6c801
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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