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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:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "0b025874-4033-5dff-ba6c-b1bc09e6c801"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.protonbot"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.protonbot_auto.yar#L1-L120"
		license_url = "N/A"
		logic_hash = "1ef6a3fa336c600e22de5ca6f4efe226302d7cc2884963a0b59278f8f4892c3b"
		score = 75
		quality = 75
		tags = "FILE"
		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"

	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)

IdentifierTypeValueModifiers
$sequence_0hex{ c745c800000000 8975ec 8d45dc c645fc03 50 68???????? 57 }
$sequence_1hex{ 8bf1 6a04 c745fc01000000 e8???????? 83c404 }
$sequence_2hex{ ffd3 85ff 8bbdf4fffeff 7f8d 5e }
$sequence_3hex{ 8d85d4fdffff c645fc03 50 6a00 ff15???????? }
$sequence_4hex{ c6858cfeffff00 8d7101 8a01 41 }
$sequence_5hex{ c7859cfeffff00000000 0f4395bcfeffff 8bca c785a0feffff0f000000 c6858cfeffff00 8d7101 }
$sequence_6hex{ c3 6a1c b8???????? e8???????? 8b7508 8365fc00 837d2400 }
$sequence_7hex{ 8bce e8???????? 8bc6 8b8c24b4010000 5e }
$sequence_8hex{ ffb5f4feffff ff15???????? 8d8dfcfeffff c7461000000000 c746140f000000 8d5101 }
$sequence_9hex{ 57 50 8d45f4 64a300000000 8d8dbcfeffff e8???????? }

Condition

7 of them and filesize < 1073152

In 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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Drop a file here or click to chooseScanned locally with YARA-X. Files up to 200 MB.

Open in editor

References

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)

Original rule

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

version1
toolyara-signator v0.6.0
signator_configcallsandjumps;datarefs;binvalue
malpedia_rule_date20260422
malpedia_hasha182e35da64e6d71cb55f125c4d4225196523f14
malpedia_version20260504
malpedia_licenseCC BY-SA 4.0
malpedia_sharingTLP:WHITE

Tags:FILE