YARA · SEKOIA.IO Community
SEKOIA_Rat_Win_Reverserat
Detect SideCopy's ReverseRAT v3 observed in January 2023
- Author
- Sekoia.io
- Date
- 2023-02-22
- Modified
- 2024-12-19
- Score / Quality
- 75 / 80
What this rule detects
Detect SideCopy's ReverseRAT v3 observed in January 2023
Associated malware family: Reverserat.
It defines 3 patterns (3 text, 0 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
rule SEKOIA_Rat_Win_Reverserat
{
meta:
= "Detect SideCopy's ReverseRAT v3 observed in January 2023"
= "Sekoia.io"
= "8fbd395f-f44e-46d5-a942-7c7e88f37127"
= "2023-02-22"
= "2024-12-19"
= "https://github.com/SEKOIA-IO/Community"
= "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/rat_win_reverserat.yar#L1-L19"
= "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
= "b277a824b2671f40298ce03586a2ccc0fca2a081a66230c57a3060c2028f13ee"
= "8b87459483248d7b95424cd52b7d4f3031e89c6644adc2e167556e071d9ec3aa"
= "13a5a916e084996ce4d7840581250f7630652acdcad0f66e21763cb3a9cbccc3"
= 75
= 80
= ""
= "1.0"
= "TLP:CLEAR"
strings:
$ = "SELECT maxclockspeed, datawidth, name, manufacturer FROM Win32_Processor" wide
$ = "select * from Win32_PhysicalMemory" wide
$ = "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall" wide
condition:
all of them
}
Strings (3 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $ | text | "SELECT maxclockspeed, datawidth, name, manufacturer FROM Win32_Processor" | wide |
| $ | text | "select * from Win32_PhysicalMemory" | wide |
| $ | text | "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall" | wide |
Condition
all of themIn plain words (Heuristic)
- 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.
References
Sample hashes
Hashes of samples the author lists in the rule's meta (look them up in your threat-intelligence platform).
- b277a824b2671f40298ce03586a2ccc0fca2a081a66230c57a3060c2028f13ee
- 8b87459483248d7b95424cd52b7d4f3031e89c6644adc2e167556e071d9ec3aa
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: 8fbd395f-f44e-46d5-a942-7c7e88f37127
Metadata
| version | 1.0 |
|---|---|
| classification | TLP:CLEAR |
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