YARA · SEKOIA.IO Community
SEKOIA_Apt_Kimsuky_Malicious_Gotopwsh_Lnk
Detects malicious LNK used by Kimsuky
- Author
- Sekoia.io
- Date
- 2023-09-11
- Modified
- 2024-12-19
- Score / Quality
- 75 / 80
What this rule detects
Detects malicious LNK used by Kimsuky
Associated malware family: Kimsuky.
It defines 1 patterns (0 text, 1 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
apt-kimsuky-malicious-gotopwsh-lnk.yarDetection Rule License 1.1
rule SEKOIA_Apt_Kimsuky_Malicious_Gotopwsh_Lnk : FILE
{
meta:
= "Detects malicious LNK used by Kimsuky"
= "Sekoia.io"
= "cfe9adf5-2c06-4d04-8006-c4eea0dab549"
= "2023-09-11"
= "2024-12-19"
= "https://github.com/SEKOIA-IO/Community"
= "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/apt_kimsuky_malicious_gotopwsh_lnk.yar#L1-L15"
= "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
= "1537ea232e745b1ed9e4b7f6b9ba779a3498f5edf0c46bdccfdc511137b2bb3a"
= 75
= 80
= "FILE"
= "1.0"
= "TLP:CLEAR"
strings:
$ = {67 00 6f 00 74 00 6f 00 26 00 70 00 5e 00 6f 00 77 00 5e 00 65 00 5e 00 72 00 73 00 5e 00 68 00 65 00 5e 00 6c 00 5e 00 6c}
condition:
uint32be( 0 ) == 0x4c000000 and all of them
}
Strings (1 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $ | hex | {67 00 6f 00 74 00 6f 00 26 00 70 00 5e 00 6f 00 77 00 5e 00 65 00 5e 00 72 00 73 00 5e 00 68 00 65 00 5e 00 6c 00 5e 00 6c} |
Condition
uint32be( 0 ) == 0x4c000000 and all of themIn plain words (Heuristic)
- The file must start with the Windows shortcut (LNK) header.
- All patterns in the rule must match.
Test this rule in your browser
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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: cfe9adf5-2c06-4d04-8006-c4eea0dab549
Metadata
| version | 1.0 |
|---|---|
| classification | TLP:CLEAR |
Tags:FILE
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