""ET MALWARE Reborn Stealer 2021 Exfil attempt via Telegram""
SID: 2033209
Revision: 1
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_06_30, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, signature_severity Major, updated_at 2021_06_30
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
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Value: "POST"
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Value: "/sendDocument?chat_id="
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Value: "|26|caption|3d|"
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Value: "|f0 9f 8f b4 20|IP|3a 20|"
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Value: "|20|BASIC|20|INFORMATION|3a 0a 20 20 20 e2 88 9f 20|Passwords|20 2d 20|"
Within:
PCRE:
Special Options:
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http_method
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http_uri
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http_uri
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http_uri
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fast_pattern
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http_uri