YARA · Malpedia signator rules
MALPEDIA_Win_Phorpiex_Auto
autogenerated rule brought to you by yara-signator
MalwarePhorpiexMalpedia 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 / 73
What this rule detects
autogenerated rule brought to you by yara-signator
Associated malware family: Phorpiex.
It defines 31 patterns (0 text, 31 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-phorpiex-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Phorpiex_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "1d354567-9f59-5789-85ab-bc6421356506"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.phorpiex"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.phorpiex_auto.yar#L1-L289"
= "N/A"
= "8a18b4fa1b41f6fd5fa83c797ce891de8d2d28d05c11921b76b5a67e4c3f417c"
= 75
= 73
= "FILE"
= "1"
= "yara-signator v0.6.0"
= "callsandjumps;datarefs;binvalue"
= "20260422"
= "a182e35da64e6d71cb55f125c4d4225196523f14"
= "20260504"
= "CC BY-SA 4.0"
= "TLP:WHITE"
strings:
$sequence_0 = { 6a00 ff15???????? ff15???????? 50 e8???????? }
$sequence_1 = { ff15???????? 85c0 740f 6a07 }
$sequence_2 = { ff15???????? 85c0 741f 6880000000 }
$sequence_3 = { 6a00 6a00 6a20 6a00 6a00 6a00 8b5508 }
$sequence_4 = { e8???????? 83c410 6a00 6a02 6a02 6a00 6a00 }
$sequence_5 = { 50 e8???????? 83c404 e8???????? e8???????? ff15???????? 6a00 }
$sequence_6 = { 6a01 6a00 68???????? e8???????? 83c40c 33c0 }
$sequence_7 = { 68???????? ff15???????? 8d85f8fdffff 50 68???????? }
$sequence_8 = { 6a00 6a00 682a800000 6a00 }
$sequence_9 = { 52 683f000f00 6a00 68???????? 6802000080 ff15???????? 85c0 }
$sequence_10 = { 6a01 ff15???????? ff15???????? b001 }
$sequence_11 = { ff15???????? 6a00 ff15???????? 85c0 7418 ff15???????? }
$sequence_12 = { 8811 8b4508 83c001 894508 e9???????? 8b4d08 c60100 }
$sequence_13 = { 68???????? ff15???????? e9???????? 8d45fc 50 }
$sequence_14 = { f7f9 81c210270000 52 e8???????? }
$sequence_15 = { 0fb745fc 0fb74dc4 0fb6540dc8 0fb64405c8 33c2 0fb74dfc }
$sequence_16 = { 837dfc00 7416 8b4df8 51 }
$sequence_17 = { 837df800 7429 8b45f8 50 ff15???????? 8945fc 837dfc00 }
$sequence_18 = { f7f9 52 ff15???????? 6a00 6a00 6a00 }
$sequence_19 = { 7508 6a00 ff15???????? 6804010000 }
$sequence_20 = { 6a21 50 e8???????? c60000 }
$sequence_21 = { 50 e8???????? 59 59 85c0 0f85c0000000 }
$sequence_22 = { 3d00010000 7504 83c8ff c3 }
$sequence_23 = { 75de eb0a 85ff 740e 803e00 }
$sequence_24 = { c744241400000000 e8???????? 6880000000 8d4c2438 6a00 }
$sequence_25 = { 803800 7412 50 8d44242c 50 e8???????? }
$sequence_26 = { 52 e8???????? 99 b960ea0000 }
$sequence_27 = { 663bc2 72f7 53 33c0 56 }
$sequence_28 = { 50 8d45ec 50 6805000020 }
$sequence_29 = { 57 68e8030000 ff15???????? e8???????? be???????? }
$sequence_30 = { 8d45f8 50 8d45e4 50 6805000020 }
condition:
7 of them and filesize < 2490368
}
Strings (31 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 6a00 ff15???????? ff15???????? 50 e8???????? } | |
| $sequence_1 | hex | { ff15???????? 85c0 740f 6a07 } | |
| $sequence_2 | hex | { ff15???????? 85c0 741f 6880000000 } | |
| $sequence_3 | hex | { 6a00 6a00 6a20 6a00 6a00 6a00 8b5508 } | |
| $sequence_4 | hex | { e8???????? 83c410 6a00 6a02 6a02 6a00 6a00 } | |
| $sequence_5 | hex | { 50 e8???????? 83c404 e8???????? e8???????? ff15???????? 6a00 } | |
| $sequence_6 | hex | { 6a01 6a00 68???????? e8???????? 83c40c 33c0 } | |
| $sequence_7 | hex | { 68???????? ff15???????? 8d85f8fdffff 50 68???????? } | |
| $sequence_8 | hex | { 6a00 6a00 682a800000 6a00 } | |
| $sequence_9 | hex | { 52 683f000f00 6a00 68???????? 6802000080 ff15???????? 85c0 } | |
| $sequence_10 | hex | { 6a01 ff15???????? ff15???????? b001 } | |
| $sequence_11 | hex | { ff15???????? 6a00 ff15???????? 85c0 7418 ff15???????? } | |
| $sequence_12 | hex | { 8811 8b4508 83c001 894508 e9???????? 8b4d08 c60100 } | |
| $sequence_13 | hex | { 68???????? ff15???????? e9???????? 8d45fc 50 } | |
| $sequence_14 | hex | { f7f9 81c210270000 52 e8???????? } | |
| $sequence_15 | hex | { 0fb745fc 0fb74dc4 0fb6540dc8 0fb64405c8 33c2 0fb74dfc } | |
| $sequence_16 | hex | { 837dfc00 7416 8b4df8 51 } | |
| $sequence_17 | hex | { 837df800 7429 8b45f8 50 ff15???????? 8945fc 837dfc00 } | |
| $sequence_18 | hex | { f7f9 52 ff15???????? 6a00 6a00 6a00 } | |
| $sequence_19 | hex | { 7508 6a00 ff15???????? 6804010000 } | |
| $sequence_20 | hex | { 6a21 50 e8???????? c60000 } | |
| $sequence_21 | hex | { 50 e8???????? 59 59 85c0 0f85c0000000 } | |
| $sequence_22 | hex | { 3d00010000 7504 83c8ff c3 } | |
| $sequence_23 | hex | { 75de eb0a 85ff 740e 803e00 } | |
| $sequence_24 | hex | { c744241400000000 e8???????? 6880000000 8d4c2438 6a00 } | |
| $sequence_25 | hex | { 803800 7412 50 8d44242c 50 e8???????? } | |
| $sequence_26 | hex | { 52 e8???????? 99 b960ea0000 } | |
| $sequence_27 | hex | { 663bc2 72f7 53 33c0 56 } | |
| $sequence_28 | hex | { 50 8d45ec 50 6805000020 } | |
| $sequence_29 | hex | { 57 68e8030000 ff15???????? e8???????? be???????? } | |
| $sequence_30 | hex | { 8d45f8 50 8d45e4 50 6805000020 } |
Condition
7 of them and filesize < 2490368In plain words (Heuristic)
- The file must be smaller than 2490368 (a cheap guard that skips large files).
- At least 7 patterns in the rule must match.
Test this rule in your browser
Drop a file to scan it with this rule using YARA-X compiled to WebAssembly. Nothing is uploaded.
Drop a file here or click to chooseScanned locally with YARA-X. Files up to 200 MB.
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: 1d354567-9f59-5789-85ab-bc6421356506
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
Related rules
- MalwareditekSHen detection· ditekSHen· 2020-11-06
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04