YARA · Malpedia signator rules
MALPEDIA_Win_Socks5_Systemz_Auto
autogenerated rule brought to you by yara-signator
MalwareSocks5 SystemzMalpedia 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: Socks5 Systemz.
It defines 8 patterns (0 text, 8 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-socks5-systemz-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Socks5_Systemz_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "f3d82eb0-bf1c-5775-8107-51c89d306f65"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.socks5_systemz"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.socks5_systemz_auto.yar#L1-L114"
= "N/A"
= "df438a28c628a7c5c2a4f21913d11400bd14ad4b0cf48014d16e744d5f9df954"
= 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 = { c744241800000000 c744240801000000 ff742420 8bce e8???????? 8b4640 c706???????? }
$sequence_1 = { 0f840f000000 8365ecfe 8b4df0 83c148 e9???????? c3 8b542408 }
$sequence_2 = { 50 8d442410 64a300000000 8bf1 6a4c e8???????? 8bc8 }
$sequence_3 = { 50 ffd3 56 e8???????? 83c404 83c704 3bfd }
$sequence_4 = { 7407 51 ff15???????? 897e0c 5f 8b460c 5e }
$sequence_5 = { 0f8ee5000000 f00fba2b1e 0f82da000000 8bcb e8???????? 50 e9???????? }
$sequence_6 = { 50 8d442454 50 e8???????? 50 8d442410 c78424a400000000000000 }
$sequence_7 = { 57 8d7e10 750a 51 57 e8???????? 83c408 }
condition:
7 of them and filesize < 1417216
}
Strings (8 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { c744241800000000 c744240801000000 ff742420 8bce e8???????? 8b4640 c706???????? } | |
| $sequence_1 | hex | { 0f840f000000 8365ecfe 8b4df0 83c148 e9???????? c3 8b542408 } | |
| $sequence_2 | hex | { 50 8d442410 64a300000000 8bf1 6a4c e8???????? 8bc8 } | |
| $sequence_3 | hex | { 50 ffd3 56 e8???????? 83c404 83c704 3bfd } | |
| $sequence_4 | hex | { 7407 51 ff15???????? 897e0c 5f 8b460c 5e } | |
| $sequence_5 | hex | { 0f8ee5000000 f00fba2b1e 0f82da000000 8bcb e8???????? 50 e9???????? } | |
| $sequence_6 | hex | { 50 8d442454 50 e8???????? 50 8d442410 c78424a400000000000000 } | |
| $sequence_7 | hex | { 57 8d7e10 750a 51 57 e8???????? 83c408 } |
Condition
7 of them and filesize < 1417216In plain words (Heuristic)
- The file must be smaller than 1417216 (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: f3d82eb0-bf1c-5775-8107-51c89d306f65
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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