YARA · SEKOIA.IO Community
SEKOIA_Hacktool_Microsocks_Strings
Detects Microsocks
- Author
- Sekoia.io
- Date
- 2023-12-08
- Modified
- 2024-12-19
- Score / Quality
- 75 / 80
What this rule detects
Detects Microsocks
Targets: Linux ELF.
It defines 2 patterns (2 text, 0 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
hacktool-microsocks-strings.yarDetection Rule License 1.1
rule SEKOIA_Hacktool_Microsocks_Strings : FILE
{
meta:
= "Detects Microsocks"
= "Sekoia.io"
= "20e82008-249b-47a3-885b-7c4b04b31a57"
= "2023-12-08"
= "2024-12-19"
= "https://github.com/SEKOIA-IO/Community"
= "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/hacktool_microsocks_strings.yar#L1-L18"
= "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
= "b76b66fbdd9a7e2ea8adb68781d6b14c18189a8b330a61c2a65e7394ef8024c3"
= 75
= 80
= "FILE"
= "1.0"
= "TLP:CLEAR"
strings:
$ = "microsocks -1 -i listenip -p port -u user -P password"
$ = "user/pass, it is added to a whitelist"
condition:
uint32be( 0 ) == 0x7f454c46 and filesize < 1MB and all of them
}
Strings (2 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $ | text | "microsocks -1 -i listenip -p port -u user -P password" | |
| $ | text | "user/pass, it is added to a whitelist" |
Condition
uint32be( 0 ) == 0x7f454c46 and filesize < 1MB and all of themIn plain words (Heuristic)
- The file must start with the ELF header — a Linux/Unix executable.
- The file must be smaller than 1MB (a cheap guard that skips large files).
- All 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.
References
Licence & attribution
Author: Sekoia.io
Source repository: SEKOIA.IO Community @ a438a5901a
Licence: Detection Rule License 1.1 (repository licence)
Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.
Rule id: 20e82008-249b-47a3-885b-7c4b04b31a57
Metadata
| version | 1.0 |
|---|---|
| classification | TLP:CLEAR |
Tags:FILE
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