Sneed-Reactivity/yara-Neo23x0/mal_efile_apr23.yar

33 lines
973 B
Text
Raw Normal View History

rule MAL_JS_EFile_Apr23_1 {
meta:
description = "Detects JavaScript malware used in eFile compromise"
author = "Florian Roth"
score = 75
reference = "https://twitter.com/Ax_Sharma/status/1643178696084271104/photo/1"
date = "2023-04-06"
id = "ba7a8b2c-789c-5bc5-be53-f2b92c7039e1"
strings:
$s1 = "let payload_chrome = "
$s2 = "else if (agent.indexOf(\"firefox"
condition:
all of them
}
rule MAL_PHP_EFile_Apr23_1 {
meta:
description = "Detects malware "
author = "Florian Roth"
reference = "https://twitter.com/malwrhunterteam/status/1642988428080865281?s=12&t=C0_T_re0wRP_NfKa27Xw9w"
date = "2023-04-06"
score = 75
id = "d663b38e-b082-5cf7-9853-f4685bf3a87b"
strings:
$s1 = "mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff )" ascii
$s2 = "C:\\\\ProgramData\\\\Browsers" ascii fullword
$s3 = "curl_https($api_url." ascii
condition:
all of them
}