YARA · CAPE Sandbox (CAPEv2)
CAPE_Masslogger
MassLogger
- Author
- kevoreilly
- Date
- 2020-10-20
- Modified
- 2020-11-24
- Score / Quality
- 75 / 70
What this rule detects
MassLogger
Associated malware family: Masslogger.
Targets: Windows PE.
It defines 2 patterns (2 text, 0 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
masslogger.yarGNU General Public License v3.0
rule CAPE_Masslogger : FILE
{
meta:
= "MassLogger"
= "kevoreilly"
= "0743421a-36f7-5b7c-859f-b461511151cb"
= "2020-10-20"
= "2020-11-24"
= "https://github.com/kevoreilly/CAPEv2"
= "https://github.com/kevoreilly/CAPEv2/blob/6b15e76f28cd83fd1187da6c9aaaad2174255356/data/yara/CAPE/MassLogger.yar#L1-L12"
= "https://github.com/kevoreilly/CAPEv2/blob/6b15e76f28cd83fd1187da6c9aaaad2174255356/LICENSE"
= "c8d82694810aafbdc6a35a661e7431e9536035e2f7fef90b9359064c4209b66c"
= 75
= 70
= "FILE"
= "MassLogger Payload"
strings:
$name = "MassLogger"
$fody = "Costura"
condition:
uint16( 0 ) == 0x5A4D and 2 of them
}
Strings (2 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $name | text | "MassLogger" | |
| $fody | text | "Costura" |
Condition
uint16( 0 ) == 0x5A4D and 2 of themIn plain words (Heuristic)
- The file must start with “MZ” — a Windows executable (PE).
- At least 2 patterns in the rule must match.
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References
Licence & attribution
Author: kevoreilly
Source repository: CAPE Sandbox (CAPEv2) @ 6b15e76f28
Licence: GNU General Public License v3.0 (repository licence)
Copyright notice: Cuckoo Sandbox is copyrighted by the Cuckoo Foundation.
Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.
Rule id: 0743421a-36f7-5b7c-859f-b461511151cb
Metadata
| cape_type | MassLogger Payload |
|---|
Tags:FILE
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