Sneed-Reactivity/yara-Neo23x0/mal_codecov_hack.yar

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rule APT_SH_CodeCov_Hack_Apr21_1 {
meta:
description = "Detects manipulated Codecov bash uploader tool that has been manipulated by an unknown actor during March / April 2021"
author = "Florian Roth (Nextron Systems)"
reference = "https://about.codecov.io/security-update/"
date = "2021-04-16"
id = "b5fb74c4-073e-53af-a207-1672e63c9a64"
strings:
$a1 = "Global report uploading tool for Codecov"
$s1 = "curl -sm 0.5 -d"
condition:
uint16(0) == 0x2123 and
filesize < 70KB and
all of them
}